./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0910a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0910a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/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 534ce73b969c24d3fe4a2996f4697b5d070e8f3e .............................................................................................................................................................................................................................................................................................................................. 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_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0910a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/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 534ce73b969c24d3fe4a2996f4697b5d070e8f3e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:00:07,889 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:00:07,890 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:00:07,896 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:00:07,896 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:00:07,897 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:00:07,897 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:00:07,898 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:00:07,899 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:00:07,899 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:00:07,900 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:00:07,900 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:00:07,900 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:00:07,901 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:00:07,901 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:00:07,902 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:00:07,902 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:00:07,903 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:00:07,904 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:00:07,904 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:00:07,905 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:00:07,905 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:00:07,907 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:00:07,907 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:00:07,907 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:00:07,907 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:00:07,908 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:00:07,908 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:00:07,908 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:00:07,909 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:00:07,909 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:00:07,909 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:00:07,910 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:00:07,910 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:00:07,910 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:00:07,910 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:00:07,911 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 18:00:07,918 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:00:07,918 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:00:07,918 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:00:07,918 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 18:00:07,918 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 18:00:07,918 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 18:00:07,919 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 18:00:07,919 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 18:00:07,919 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 18:00:07,919 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 18:00:07,919 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 18:00:07,919 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 18:00:07,919 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 18:00:07,919 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:00:07,919 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:00:07,920 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:00:07,920 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:00:07,920 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:00:07,920 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:00:07,920 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:00:07,920 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:00:07,920 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:00:07,920 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:00:07,920 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:00:07,920 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:00:07,920 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:00:07,920 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:00:07,921 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 18:00:07,921 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:00:07,921 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:00:07,921 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:00:07,921 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:00:07,921 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 18:00:07,921 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:00:07,921 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:00:07,921 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 18:00:07,921 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_14a91adf-f63e-4486-96fd-863831483fa7/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 -> 534ce73b969c24d3fe4a2996f4697b5d070e8f3e [2018-12-02 18:00:07,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:00:07,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:00:07,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:00:07,953 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:00:07,953 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:00:07,953 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0910a_true-unreach-call.c [2018-12-02 18:00:07,996 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/data/fb37da587/a118c99ecb06411ebd992b1a4b8374d4/FLAGa4719ddfe [2018-12-02 18:00:08,386 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:00:08,387 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/sv-benchmarks/c/float-newlib/float_req_bl_0910a_true-unreach-call.c [2018-12-02 18:00:08,391 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/data/fb37da587/a118c99ecb06411ebd992b1a4b8374d4/FLAGa4719ddfe [2018-12-02 18:00:08,399 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/data/fb37da587/a118c99ecb06411ebd992b1a4b8374d4 [2018-12-02 18:00:08,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:00:08,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:00:08,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:00:08,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:00:08,404 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:00:08,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:00:08" (1/1) ... [2018-12-02 18:00:08,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f41b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:08, skipping insertion in model container [2018-12-02 18:00:08,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:00:08" (1/1) ... [2018-12-02 18:00:08,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:00:08,423 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:00:08,522 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:00:08,525 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:00:08,545 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:00:08,587 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:00:08,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:08 WrapperNode [2018-12-02 18:00:08,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:00:08,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:00:08,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:00:08,588 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:00:08,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:08" (1/1) ... [2018-12-02 18:00:08,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:08" (1/1) ... [2018-12-02 18:00:08,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:00:08,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:00:08,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:00:08,606 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:00:08,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:08" (1/1) ... [2018-12-02 18:00:08,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:08" (1/1) ... [2018-12-02 18:00:08,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:08" (1/1) ... [2018-12-02 18:00:08,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:08" (1/1) ... [2018-12-02 18:00:08,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:08" (1/1) ... [2018-12-02 18:00:08,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:08" (1/1) ... [2018-12-02 18:00:08,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:08" (1/1) ... [2018-12-02 18:00:08,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:00:08,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:00:08,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:00:08,633 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:00:08,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/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 [2018-12-02 18:00:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 18:00:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 18:00:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-02 18:00:08,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-02 18:00:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 18:00:08,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 18:00:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 18:00:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:00:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-02 18:00:08,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-02 18:00:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:00:08,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:00:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 18:00:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 18:00:08,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 18:00:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 18:00:08,843 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:00:08,843 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 18:00:08,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:00:08 BoogieIcfgContainer [2018-12-02 18:00:08,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:00:08,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 18:00:08,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 18:00:08,846 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 18:00:08,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:00:08" (1/3) ... [2018-12-02 18:00:08,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22631f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:00:08, skipping insertion in model container [2018-12-02 18:00:08,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:08" (2/3) ... [2018-12-02 18:00:08,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22631f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:00:08, skipping insertion in model container [2018-12-02 18:00:08,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:00:08" (3/3) ... [2018-12-02 18:00:08,848 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910a_true-unreach-call.c [2018-12-02 18:00:08,854 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 18:00:08,858 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 18:00:08,869 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 18:00:08,887 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 18:00:08,887 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 18:00:08,887 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 18:00:08,887 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:00:08,887 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:00:08,887 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 18:00:08,887 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:00:08,887 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 18:00:08,897 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-12-02 18:00:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 18:00:08,901 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:00:08,901 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] [2018-12-02 18:00:08,903 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:00:08,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:00:08,906 INFO L82 PathProgramCache]: Analyzing trace with hash -620426535, now seen corresponding path program 1 times [2018-12-02 18:00:08,907 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:00:08,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:00:08,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:00:08,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:00:08,935 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:00:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:00:09,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:00:09,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:00:09,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 18:00:09,005 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:00:09,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 18:00:09,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 18:00:09,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 18:00:09,016 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2018-12-02 18:00:09,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:00:09,030 INFO L93 Difference]: Finished difference Result 84 states and 123 transitions. [2018-12-02 18:00:09,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 18:00:09,031 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-02 18:00:09,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:00:09,036 INFO L225 Difference]: With dead ends: 84 [2018-12-02 18:00:09,036 INFO L226 Difference]: Without dead ends: 42 [2018-12-02 18:00:09,038 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 [2018-12-02 18:00:09,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-02 18:00:09,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-02 18:00:09,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-02 18:00:09,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2018-12-02 18:00:09,061 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 23 [2018-12-02 18:00:09,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:00:09,061 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2018-12-02 18:00:09,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 18:00:09,061 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2018-12-02 18:00:09,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 18:00:09,061 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:00:09,062 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:00:09,062 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:00:09,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:00:09,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1811129790, now seen corresponding path program 1 times [2018-12-02 18:00:09,062 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:00:09,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:00:09,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:00:09,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:00:09,063 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:00:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:00:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:00:09,122 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 18:00:09,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:00:09 BoogieIcfgContainer [2018-12-02 18:00:09,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 18:00:09,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:00:09,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:00:09,144 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:00:09,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:00:08" (3/4) ... [2018-12-02 18:00:09,146 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 18:00:09,146 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:00:09,147 INFO L168 Benchmark]: Toolchain (without parser) took 745.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 953.5 MB in the beginning and 1.0 GB in the end (delta: -89.3 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-12-02 18:00:09,148 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:00:09,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2018-12-02 18:00:09,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:00:09,148 INFO L168 Benchmark]: Boogie Preprocessor took 26.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:00:09,149 INFO L168 Benchmark]: RCFGBuilder took 211.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-02 18:00:09,149 INFO L168 Benchmark]: TraceAbstraction took 299.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-12-02 18:00:09,149 INFO L168 Benchmark]: Witness Printer took 2.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:00:09,151 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 211.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 299.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 120]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 43, overapproximation of bitwiseAnd at line 19. Possible FailurePath: [L23-L27] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L29] static const float zero_log = 0.0; VAL [\old(Lg1_log)=10737418258, \old(Lg2_log)=10737418259, \old(Lg3_log)=10737418241, \old(Lg4_log)=10737418244, \old(Lg5_log)=10737418247, \old(Lg6_log)=10737418256, \old(Lg7_log)=10737418255, \old(ln2_hi_log)=10737418243, \old(ln2_lo_log)=10737418251, \old(two25_log)=10737418254, \old(zero_log)=10737418253, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L115] float x = 0.0f; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=0, zero_log=0] [L116] CALL, EXPR __ieee754_logf(x) VAL [\old(x)=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L32] float hfsq, f, s, z, R, w, t1, t2, dk; [L33] __int32_t k, ix, i, j; VAL [\old(x)=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=0, zero_log=0] [L36] ieee_float_shape_type gf_u; [L37] gf_u.value = (x) [L38] EXPR gf_u.word [L38] (ix) = gf_u.word [L41] k = 0 VAL [\old(x)=0, ix=-2147483648, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=0, zero_log=0] [L42] COND TRUE ((ix & 0x7fffffff) == 0) [L43] return -two25_log / zero_log; VAL [\old(x)=0, ix=-2147483648, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=0, zero_log=0] [L116] RET, EXPR __ieee754_logf(x) VAL [__ieee754_logf(x)=10737418245, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=0, zero_log=0] [L116] float res = __ieee754_logf(x); [L119] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418245, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L13] __int32_t ix; VAL [\old(x)=10737418245, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (ix) = gf_u.word [L19] ix &= 0x7fffffff [L20] return ((ix) == 0x7f800000L); VAL [\old(x)=10737418245, \result=0, ix=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L119] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=10737418245, two25_log=33554432, x=0, zero_log=0] [L119] COND TRUE !isinf_float(res) [L120] __VERIFIER_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=10737418245, two25_log=33554432, x=0, zero_log=0] - 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, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:00:10,511 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:00:10,512 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:00:10,519 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:00:10,519 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:00:10,520 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:00:10,521 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:00:10,522 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:00:10,523 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:00:10,523 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:00:10,524 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:00:10,524 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:00:10,524 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:00:10,525 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:00:10,525 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:00:10,526 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:00:10,526 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:00:10,528 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:00:10,529 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:00:10,529 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:00:10,530 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:00:10,531 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:00:10,533 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:00:10,533 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:00:10,533 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:00:10,533 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:00:10,534 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:00:10,534 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:00:10,535 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:00:10,535 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:00:10,535 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:00:10,536 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:00:10,536 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:00:10,536 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:00:10,536 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:00:10,537 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:00:10,537 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 18:00:10,547 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:00:10,548 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:00:10,548 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:00:10,548 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 18:00:10,549 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 18:00:10,549 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 18:00:10,549 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 18:00:10,549 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 18:00:10,549 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 18:00:10,549 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 18:00:10,550 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:00:10,550 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:00:10,550 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:00:10,550 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:00:10,551 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:00:10,551 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:00:10,551 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:00:10,551 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 18:00:10,551 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 18:00:10,551 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:00:10,551 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:00:10,552 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:00:10,552 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:00:10,552 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:00:10,552 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:00:10,552 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:00:10,552 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 18:00:10,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:00:10,553 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:00:10,553 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:00:10,553 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:00:10,553 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 18:00:10,553 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:00:10,553 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 18:00:10,554 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 18:00:10,554 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_14a91adf-f63e-4486-96fd-863831483fa7/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 -> 534ce73b969c24d3fe4a2996f4697b5d070e8f3e [2018-12-02 18:00:10,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:00:10,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:00:10,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:00:10,587 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:00:10,587 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:00:10,587 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0910a_true-unreach-call.c [2018-12-02 18:00:10,621 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/data/7407233f5/29085333e0c440fbb1d1489e7c73f3c1/FLAG97443a8f4 [2018-12-02 18:00:10,952 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:00:10,953 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/sv-benchmarks/c/float-newlib/float_req_bl_0910a_true-unreach-call.c [2018-12-02 18:00:10,957 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/data/7407233f5/29085333e0c440fbb1d1489e7c73f3c1/FLAG97443a8f4 [2018-12-02 18:00:11,357 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/data/7407233f5/29085333e0c440fbb1d1489e7c73f3c1 [2018-12-02 18:00:11,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:00:11,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:00:11,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:00:11,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:00:11,362 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:00:11,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:00:11" (1/1) ... [2018-12-02 18:00:11,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426f976d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:11, skipping insertion in model container [2018-12-02 18:00:11,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:00:11" (1/1) ... [2018-12-02 18:00:11,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:00:11,382 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:00:11,484 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:00:11,487 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:00:11,512 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:00:11,526 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:00:11,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:11 WrapperNode [2018-12-02 18:00:11,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:00:11,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:00:11,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:00:11,527 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:00:11,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:11" (1/1) ... [2018-12-02 18:00:11,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:11" (1/1) ... [2018-12-02 18:00:11,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:00:11,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:00:11,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:00:11,543 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:00:11,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:11" (1/1) ... [2018-12-02 18:00:11,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:11" (1/1) ... [2018-12-02 18:00:11,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:11" (1/1) ... [2018-12-02 18:00:11,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:11" (1/1) ... [2018-12-02 18:00:11,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:11" (1/1) ... [2018-12-02 18:00:11,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:11" (1/1) ... [2018-12-02 18:00:11,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:11" (1/1) ... [2018-12-02 18:00:11,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:00:11,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:00:11,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:00:11,596 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:00:11,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/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 [2018-12-02 18:00:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-02 18:00:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-02 18:00:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 18:00:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 18:00:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:00:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-02 18:00:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-02 18:00:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 18:00:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:00:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:00:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 18:00:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 18:00:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 18:00:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 18:00:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 18:00:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 18:00:11,724 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:00:13,637 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:00:24,755 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:00:24,774 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:00:24,774 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 18:00:24,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:00:24 BoogieIcfgContainer [2018-12-02 18:00:24,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:00:24,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 18:00:24,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 18:00:24,777 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 18:00:24,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:00:11" (1/3) ... [2018-12-02 18:00:24,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f13e11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:00:24, skipping insertion in model container [2018-12-02 18:00:24,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:11" (2/3) ... [2018-12-02 18:00:24,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f13e11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:00:24, skipping insertion in model container [2018-12-02 18:00:24,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:00:24" (3/3) ... [2018-12-02 18:00:24,780 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910a_true-unreach-call.c [2018-12-02 18:00:24,785 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 18:00:24,790 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 18:00:24,799 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 18:00:24,816 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 18:00:24,816 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 18:00:24,816 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 18:00:24,816 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 18:00:24,816 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:00:24,816 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:00:24,816 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 18:00:24,817 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:00:24,817 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 18:00:24,826 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-12-02 18:00:24,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 18:00:24,829 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:00:24,830 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] [2018-12-02 18:00:24,831 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:00:24,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:00:24,834 INFO L82 PathProgramCache]: Analyzing trace with hash -501312773, now seen corresponding path program 1 times [2018-12-02 18:00:24,837 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 18:00:24,837 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/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 [2018-12-02 18:00:24,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:00:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:00:25,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:00:25,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:00:25,073 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 18:00:25,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:00:25,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 18:00:25,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 18:00:25,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 18:00:25,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 18:00:25,096 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-12-02 18:00:25,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:00:25,110 INFO L93 Difference]: Finished difference Result 82 states and 121 transitions. [2018-12-02 18:00:25,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 18:00:25,110 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-02 18:00:25,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:00:25,116 INFO L225 Difference]: With dead ends: 82 [2018-12-02 18:00:25,116 INFO L226 Difference]: Without dead ends: 41 [2018-12-02 18:00:25,118 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 18:00:25,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-02 18:00:25,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-02 18:00:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-02 18:00:25,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-12-02 18:00:25,140 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 22 [2018-12-02 18:00:25,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:00:25,140 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-12-02 18:00:25,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 18:00:25,140 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-12-02 18:00:25,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 18:00:25,141 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:00:25,141 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:00:25,141 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:00:25,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:00:25,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1288548818, now seen corresponding path program 1 times [2018-12-02 18:00:25,141 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 18:00:25,142 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/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 [2018-12-02 18:00:25,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:00:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:00:25,338 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:00:25,526 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-02 18:00:25,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:00:25,668 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 18:00:25,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:00:25,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 18:00:25,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 18:00:25,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 18:00:25,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 18:00:25,679 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand 10 states. [2018-12-02 18:00:38,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:00:38,036 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2018-12-02 18:00:38,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 18:00:38,037 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2018-12-02 18:00:38,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:00:38,037 INFO L225 Difference]: With dead ends: 48 [2018-12-02 18:00:38,038 INFO L226 Difference]: Without dead ends: 41 [2018-12-02 18:00:38,038 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-02 18:00:38,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-02 18:00:38,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-02 18:00:38,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-02 18:00:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2018-12-02 18:00:38,046 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 24 [2018-12-02 18:00:38,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:00:38,046 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2018-12-02 18:00:38,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 18:00:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-12-02 18:00:38,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 18:00:38,047 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:00:38,047 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:00:38,047 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:00:38,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:00:38,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1497344050, now seen corresponding path program 1 times [2018-12-02 18:00:38,048 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 18:00:38,048 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/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 [2018-12-02 18:00:38,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:00:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:00:38,263 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:00:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:00:38,308 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 18:00:38,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:00:38,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 18:00:38,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 18:00:38,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 18:00:38,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 18:00:38,322 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 6 states. [2018-12-02 18:00:41,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:00:41,488 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2018-12-02 18:00:41,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 18:00:41,489 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-02 18:00:41,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:00:41,490 INFO L225 Difference]: With dead ends: 45 [2018-12-02 18:00:41,490 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 18:00:41,490 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 18:00:41,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 18:00:41,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 18:00:41,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 18:00:41,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 18:00:41,491 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-12-02 18:00:41,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:00:41,491 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 18:00:41,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 18:00:41,491 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 18:00:41,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 18:00:41,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 18:00:41,725 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 12 21) the Hoare annotation is: true [2018-12-02 18:00:41,725 INFO L448 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-12-02 18:00:41,725 INFO L444 ceAbstractionStarter]: At program point L14-2(lines 14 18) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero_log~0)) (not (= ~two25_log~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)))) (= |isinf_float_#in~x| isinf_float_~x)) [2018-12-02 18:00:41,725 INFO L448 ceAbstractionStarter]: For program point L14-3(lines 14 18) no Hoare annotation was computed. [2018-12-02 18:00:41,725 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 12 21) no Hoare annotation was computed. [2018-12-02 18:00:41,725 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 12 21) no Hoare annotation was computed. [2018-12-02 18:00:41,725 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 18:00:41,725 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 18:00:41,726 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 18:00:41,726 INFO L444 ceAbstractionStarter]: At program point L35-2(lines 35 39) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero_log~0)) (not (= ~two25_log~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)))) (= __ieee754_logf_~x |__ieee754_logf_#in~x|)) [2018-12-02 18:00:41,726 INFO L448 ceAbstractionStarter]: For program point L35-3(lines 35 39) no Hoare annotation was computed. [2018-12-02 18:00:41,726 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-12-02 18:00:41,726 INFO L444 ceAbstractionStarter]: At program point L60-2(lines 60 64) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero_log~0)) (exists ((__ieee754_logf_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (not (= (_ bv0 32) (bvand (_ bv2147483647 32) __ieee754_logf_~ix~1))))) (not (= ~two25_log~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))))) [2018-12-02 18:00:41,726 INFO L448 ceAbstractionStarter]: For program point L60-3(lines 60 64) no Hoare annotation was computed. [2018-12-02 18:00:41,726 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 56) no Hoare annotation was computed. [2018-12-02 18:00:41,726 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 48 56) no Hoare annotation was computed. [2018-12-02 18:00:41,726 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 82) no Hoare annotation was computed. [2018-12-02 18:00:41,726 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2018-12-02 18:00:41,726 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 105) no Hoare annotation was computed. [2018-12-02 18:00:41,726 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 74) no Hoare annotation was computed. [2018-12-02 18:00:41,726 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 106) no Hoare annotation was computed. [2018-12-02 18:00:41,726 INFO L451 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 31 107) the Hoare annotation is: true [2018-12-02 18:00:41,727 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 31 107) no Hoare annotation was computed. [2018-12-02 18:00:41,727 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 31 107) no Hoare annotation was computed. [2018-12-02 18:00:41,727 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2018-12-02 18:00:41,727 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-02 18:00:41,727 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 83) no Hoare annotation was computed. [2018-12-02 18:00:41,727 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 100) no Hoare annotation was computed. [2018-12-02 18:00:41,727 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 51 55) no Hoare annotation was computed. [2018-12-02 18:00:41,727 INFO L444 ceAbstractionStarter]: At program point L51-2(lines 51 55) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero_log~0)) (not (= ~two25_log~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)))) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (exists ((__ieee754_logf_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (not (= (_ bv0 32) (bvand (_ bv2147483647 32) __ieee754_logf_~ix~1))))))) [2018-12-02 18:00:41,727 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 75) no Hoare annotation was computed. [2018-12-02 18:00:41,727 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 35 39) no Hoare annotation was computed. [2018-12-02 18:00:41,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 18:00:41,727 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log~0) (= ~zero_log~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) [2018-12-02 18:00:41,727 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 18:00:41,728 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 18:00:41,728 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 109 124) the Hoare annotation is: true [2018-12-02 18:00:41,728 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 109 124) no Hoare annotation was computed. [2018-12-02 18:00:41,728 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 109 124) no Hoare annotation was computed. [2018-12-02 18:00:41,728 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-12-02 18:00:41,728 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)))) (or (not (= .cse0 ~zero_log~0)) (= (fp.div roundNearestTiesToEven (fp.neg .cse1) .cse0) main_~res~0) (not (= ~two25_log~0 .cse1)))) [2018-12-02 18:00:41,728 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 119 122) no Hoare annotation was computed. [2018-12-02 18:00:41,728 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 120) no Hoare annotation was computed. [2018-12-02 18:00:41,728 INFO L444 ceAbstractionStarter]: At program point L116(line 116) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero_log~0)) (not (= ~two25_log~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)))) (= (_ +zero 8 24) main_~x~0)) [2018-12-02 18:00:41,728 INFO L448 ceAbstractionStarter]: For program point L116-1(line 116) no Hoare annotation was computed. [2018-12-02 18:00:41,733 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,734 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,734 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,734 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,734 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,734 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,734 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,737 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,737 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,737 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,737 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,737 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,737 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,737 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,738 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,738 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,738 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,739 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,739 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,739 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,739 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,739 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,739 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,740 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,740 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,740 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,740 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,740 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,741 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,741 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,741 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,742 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:00:41 BoogieIcfgContainer [2018-12-02 18:00:41,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 18:00:41,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:00:41,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:00:41,744 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:00:41,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:00:24" (3/4) ... [2018-12-02 18:00:41,746 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 18:00:41,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-12-02 18:00:41,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 18:00:41,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-12-02 18:00:41,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 18:00:41,753 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-12-02 18:00:41,753 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-02 18:00:41,754 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 18:00:41,754 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 18:00:41,770 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)))) || x == \old(x) [2018-12-02 18:00:41,770 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)))) || \old(x) == x [2018-12-02 18:00:41,770 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)))) || (~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == \old(x) && (\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !(0bv32 == ~bvand32(2147483647bv32, __ieee754_logf_~ix~1)))) [2018-12-02 18:00:41,770 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || (\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !(0bv32 == ~bvand32(2147483647bv32, __ieee754_logf_~ix~1)))) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))) [2018-12-02 18:00:41,786 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_14a91adf-f63e-4486-96fd-863831483fa7/bin-2019/utaipan/witness.graphml [2018-12-02 18:00:41,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:00:41,786 INFO L168 Benchmark]: Toolchain (without parser) took 30427.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 943.4 MB in the beginning and 927.8 MB in the end (delta: 15.5 MB). Peak memory consumption was 138.2 MB. Max. memory is 11.5 GB. [2018-12-02 18:00:41,787 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:00:41,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.57 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 18:00:41,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.61 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:00:41,787 INFO L168 Benchmark]: Boogie Preprocessor took 53.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:00:41,788 INFO L168 Benchmark]: RCFGBuilder took 13178.75 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-12-02 18:00:41,788 INFO L168 Benchmark]: TraceAbstraction took 16967.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.8 MB in the end (delta: 155.3 MB). Peak memory consumption was 155.3 MB. Max. memory is 11.5 GB. [2018-12-02 18:00:41,788 INFO L168 Benchmark]: Witness Printer took 42.27 ms. Allocated memory is still 1.2 GB. Free memory is still 927.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:00:41,789 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 166.57 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 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 15.61 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 13178.75 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16967.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.8 MB in the end (delta: 155.3 MB). Peak memory consumption was 155.3 MB. Max. memory is 11.5 GB. * Witness Printer took 42.27 ms. Allocated memory is still 1.2 GB. Free memory is still 927.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 120]: 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: 60]: Loop Invariant [2018-12-02 18:00:41,792 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,792 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,792 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,792 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,792 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,792 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,792 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,793 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,793 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,793 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,793 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,793 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,793 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,793 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || (\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !(0bv32 == ~bvand32(2147483647bv32, __ieee754_logf_~ix~1)))) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))) - InvariantResult [Line: 14]: Loop Invariant [2018-12-02 18:00:41,793 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,794 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,794 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,794 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,794 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,794 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)))) || \old(x) == x - InvariantResult [Line: 35]: Loop Invariant [2018-12-02 18:00:41,794 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,794 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,795 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,795 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,795 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,795 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)))) || x == \old(x) - InvariantResult [Line: 51]: Loop Invariant [2018-12-02 18:00:41,795 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,795 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,795 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,796 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,796 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,796 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 18:00:41,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,797 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,797 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-02 18:00:41,797 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)))) || (~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == \old(x) && (\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !(0bv32 == ~bvand32(2147483647bv32, __ieee754_logf_~ix~1)))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. SAFE Result, 16.9s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 15.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 126 SDtfs, 84 SDslu, 346 SDs, 0 SdLazy, 130 SolverSat, 10 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 16 PreInvPairs, 22 NumberOfFragments, 174 HoareAnnotationTreeSize, 16 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 158 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 68 ConstructedInterpolants, 5 QuantifiedInterpolants, 10086 SizeOfPredicates, 8 NumberOfNonLiveVariables, 292 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...