./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/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 183c064a530646119ada233c15fa830a0c2bc1a1 ...................................................................................................................................................................................................................................................................................................................................... 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_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/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 183c064a530646119ada233c15fa830a0c2bc1a1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:45:58,825 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:45:58,826 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:45:58,836 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:45:58,836 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:45:58,837 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:45:58,838 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:45:58,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:45:58,841 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:45:58,841 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:45:58,842 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:45:58,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:45:58,843 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:45:58,844 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:45:58,845 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:45:58,845 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:45:58,846 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:45:58,847 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:45:58,848 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:45:58,850 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:45:58,851 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:45:58,851 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:45:58,853 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:45:58,853 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:45:58,853 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:45:58,854 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:45:58,855 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:45:58,855 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:45:58,856 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:45:58,857 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:45:58,857 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:45:58,858 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:45:58,858 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:45:58,858 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:45:58,859 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:45:58,859 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:45:58,859 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:45:58,870 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:45:58,871 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:45:58,871 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:45:58,871 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:45:58,872 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:45:58,872 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:45:58,872 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:45:58,872 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:45:58,872 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:45:58,872 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:45:58,872 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:45:58,872 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:45:58,873 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:45:58,873 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:45:58,873 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:45:58,873 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:45:58,873 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:45:58,875 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:45:58,875 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:45:58,875 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:45:58,876 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:45:58,876 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:45:58,876 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:45:58,876 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:45:58,876 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:45:58,876 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:45:58,876 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:45:58,876 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:45:58,877 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:45:58,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:45:58,877 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:45:58,877 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:45:58,877 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:45:58,877 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:45:58,877 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:45:58,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:45:58,878 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:45:58,878 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_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/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 -> 183c064a530646119ada233c15fa830a0c2bc1a1 [2018-11-18 10:45:58,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:45:58,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:45:58,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:45:58,919 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:45:58,920 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:45:58,920 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-11-18 10:45:58,967 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/data/eeddaa0e7/f54683ca7dda4659a1723245158ffafa/FLAG35540a04f [2018-11-18 10:45:59,417 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:45:59,418 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-11-18 10:45:59,424 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/data/eeddaa0e7/f54683ca7dda4659a1723245158ffafa/FLAG35540a04f [2018-11-18 10:45:59,437 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/data/eeddaa0e7/f54683ca7dda4659a1723245158ffafa [2018-11-18 10:45:59,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:45:59,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:45:59,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:45:59,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:45:59,451 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:45:59,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:45:59" (1/1) ... [2018-11-18 10:45:59,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544e5471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:59, skipping insertion in model container [2018-11-18 10:45:59,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:45:59" (1/1) ... [2018-11-18 10:45:59,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:45:59,491 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:45:59,703 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:45:59,707 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:45:59,745 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:45:59,765 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:45:59,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:59 WrapperNode [2018-11-18 10:45:59,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:45:59,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:45:59,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:45:59,767 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:45:59,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:59" (1/1) ... [2018-11-18 10:45:59,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:59" (1/1) ... [2018-11-18 10:45:59,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:45:59,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:45:59,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:45:59,792 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:45:59,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:59" (1/1) ... [2018-11-18 10:45:59,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:59" (1/1) ... [2018-11-18 10:45:59,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:59" (1/1) ... [2018-11-18 10:45:59,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:59" (1/1) ... [2018-11-18 10:45:59,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:59" (1/1) ... [2018-11-18 10:45:59,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:59" (1/1) ... [2018-11-18 10:45:59,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:59" (1/1) ... [2018-11-18 10:45:59,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:45:59,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:45:59,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:45:59,907 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:45:59,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:45:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 10:45:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 10:45:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-18 10:45:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-18 10:45:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:45:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:45:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 10:45:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 10:45:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:45:59,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:45:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 10:45:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:45:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:45:59,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:45:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 10:45:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:46:00,396 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:46:00,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:46:00 BoogieIcfgContainer [2018-11-18 10:46:00,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:46:00,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:46:00,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:46:00,400 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:46:00,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:45:59" (1/3) ... [2018-11-18 10:46:00,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b98c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:46:00, skipping insertion in model container [2018-11-18 10:46:00,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:59" (2/3) ... [2018-11-18 10:46:00,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b98c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:46:00, skipping insertion in model container [2018-11-18 10:46:00,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:46:00" (3/3) ... [2018-11-18 10:46:00,405 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0921_true-unreach-call.c [2018-11-18 10:46:00,413 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:46:00,420 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:46:00,433 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:46:00,462 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:46:00,462 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:46:00,463 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:46:00,463 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:46:00,463 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:46:00,463 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:46:00,463 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:46:00,463 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:46:00,477 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-11-18 10:46:00,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:46:00,482 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:46:00,482 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:46:00,484 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:46:00,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:46:00,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1133379876, now seen corresponding path program 1 times [2018-11-18 10:46:00,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:46:00,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:46:00,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:46:00,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:46:00,531 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:46:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:46:00,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:46:00,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:46:00,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:46:00,628 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:46:00,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:46:00,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:46:00,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:46:00,645 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-11-18 10:46:00,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:46:00,662 INFO L93 Difference]: Finished difference Result 76 states and 110 transitions. [2018-11-18 10:46:00,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:46:00,663 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-18 10:46:00,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:46:00,672 INFO L225 Difference]: With dead ends: 76 [2018-11-18 10:46:00,672 INFO L226 Difference]: Without dead ends: 38 [2018-11-18 10:46:00,678 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:46:00,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-11-18 10:46:00,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-11-18 10:46:00,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-18 10:46:00,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2018-11-18 10:46:00,712 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 48 transitions. Word has length 22 [2018-11-18 10:46:00,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:46:00,712 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 48 transitions. [2018-11-18 10:46:00,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:46:00,712 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2018-11-18 10:46:00,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:46:00,713 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:46:00,713 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:46:00,713 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:46:00,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:46:00,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1396825538, now seen corresponding path program 1 times [2018-11-18 10:46:00,714 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:46:00,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:46:00,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:46:00,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:46:00,715 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:46:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:46:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:46:00,834 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 10:46:00,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:46:00 BoogieIcfgContainer [2018-11-18 10:46:00,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:46:00,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:46:00,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:46:00,868 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:46:00,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:46:00" (3/4) ... [2018-11-18 10:46:00,871 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 10:46:00,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:46:00,872 INFO L168 Benchmark]: Toolchain (without parser) took 1426.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 954.8 MB in the beginning and 1.1 GB in the end (delta: -100.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:46:00,873 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:46:00,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.96 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 938.6 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:46:00,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.61 ms. Allocated memory is still 1.0 GB. Free memory is still 938.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:46:00,874 INFO L168 Benchmark]: Boogie Preprocessor took 114.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 938.6 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:46:00,874 INFO L168 Benchmark]: RCFGBuilder took 490.84 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: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:46:00,875 INFO L168 Benchmark]: TraceAbstraction took 469.90 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:46:00,875 INFO L168 Benchmark]: Witness Printer took 3.59 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. [2018-11-18 10:46:00,877 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.96 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 938.6 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.61 ms. Allocated memory is still 1.0 GB. Free memory is still 938.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 114.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 938.6 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 490.84 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: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 469.90 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.59 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 140]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [\old(Lg1_log)=22, \old(Lg2_log)=26, \old(Lg3_log)=9, \old(Lg4_log)=12, \old(Lg5_log)=14, \old(Lg6_log)=19, \old(Lg7_log)=18, \old(ln2_hi_log)=11, \old(ln2_lo_log)=15, \old(two54_log)=20, \old(zero)=23, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L135] double x = 0.0 / 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L136] CALL, EXPR __ieee754_log(x) VAL [\old(x)=24, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [\old(x)=24, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=24, zero=0] [L51] FCALL ieee_double_shape_type ew_u; [L52] FCALL ew_u.value = (x) [L53] EXPR, FCALL ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR, FCALL ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L55] COND FALSE !(0) VAL [\old(x)=24, hx=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=25, two54_log=18014398509481984, x=24, zero=0] [L57] k = 0 VAL [\old(x)=24, hx=0, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=25, two54_log=18014398509481984, x=24, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [\old(x)=24, hx=0, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=25, two54_log=18014398509481984, x=24, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] RET return -two54_log / zero; VAL [\old(x)=24, hx=0, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=25, two54_log=18014398509481984, x=24, zero=0] [L136] EXPR __ieee754_log(x) VAL [__ieee754_log(x)=13, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=24, zero=0] [L136] double res = __ieee754_log(x); [L139] CALL, EXPR isnan_double(res) VAL [\old(x)=13, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L127] RET return x != x; VAL [\old(x)=13, \result=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=13, zero=0] [L139] EXPR isnan_double(res) VAL [isnan_double(res)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=13, two54_log=18014398509481984, x=24, zero=0] [L139] COND TRUE !isnan_double(res) [L140] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=13, two54_log=18014398509481984, x=24, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 42 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 52 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=42occurred 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, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 0.1.23-5842f4b [2018-11-18 10:46:02,540 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:46:02,542 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:46:02,551 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:46:02,551 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:46:02,552 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:46:02,553 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:46:02,555 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:46:02,556 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:46:02,557 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:46:02,557 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:46:02,558 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:46:02,559 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:46:02,559 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:46:02,560 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:46:02,561 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:46:02,562 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:46:02,563 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:46:02,565 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:46:02,566 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:46:02,567 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:46:02,568 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:46:02,570 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:46:02,570 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:46:02,571 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:46:02,571 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:46:02,573 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:46:02,573 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:46:02,574 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:46:02,575 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:46:02,575 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:46:02,575 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:46:02,576 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:46:02,576 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:46:02,577 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:46:02,577 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:46:02,577 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 10:46:02,589 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:46:02,589 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:46:02,590 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:46:02,590 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:46:02,590 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:46:02,591 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:46:02,591 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:46:02,591 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:46:02,591 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:46:02,591 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:46:02,592 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:46:02,592 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:46:02,592 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:46:02,592 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:46:02,592 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:46:02,592 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:46:02,593 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:46:02,593 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 10:46:02,593 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 10:46:02,593 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:46:02,593 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:46:02,593 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:46:02,593 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:46:02,594 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:46:02,596 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:46:02,596 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:46:02,596 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:46:02,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:46:02,596 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:46:02,597 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:46:02,597 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:46:02,597 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 10:46:02,597 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:46:02,597 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 10:46:02,597 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 10:46:02,597 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_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/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 -> 183c064a530646119ada233c15fa830a0c2bc1a1 [2018-11-18 10:46:02,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:46:02,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:46:02,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:46:02,643 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:46:02,643 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:46:02,644 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-11-18 10:46:02,685 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/data/c904e2441/fbb3e628e303435286da356002be67b6/FLAG5c2550556 [2018-11-18 10:46:03,036 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:46:03,037 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-11-18 10:46:03,042 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/data/c904e2441/fbb3e628e303435286da356002be67b6/FLAG5c2550556 [2018-11-18 10:46:03,455 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/data/c904e2441/fbb3e628e303435286da356002be67b6 [2018-11-18 10:46:03,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:46:03,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:46:03,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:46:03,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:46:03,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:46:03,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:46:03" (1/1) ... [2018-11-18 10:46:03,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5023ac85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:03, skipping insertion in model container [2018-11-18 10:46:03,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:46:03" (1/1) ... [2018-11-18 10:46:03,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:46:03,492 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:46:03,661 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:46:03,666 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:46:03,701 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:46:03,732 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:46:03,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:03 WrapperNode [2018-11-18 10:46:03,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:46:03,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:46:03,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:46:03,734 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:46:03,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:03" (1/1) ... [2018-11-18 10:46:03,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:03" (1/1) ... [2018-11-18 10:46:03,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:46:03,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:46:03,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:46:03,758 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:46:03,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:03" (1/1) ... [2018-11-18 10:46:03,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:03" (1/1) ... [2018-11-18 10:46:03,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:03" (1/1) ... [2018-11-18 10:46:03,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:03" (1/1) ... [2018-11-18 10:46:03,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:03" (1/1) ... [2018-11-18 10:46:03,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:03" (1/1) ... [2018-11-18 10:46:03,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:03" (1/1) ... [2018-11-18 10:46:03,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:46:03,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:46:03,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:46:03,836 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:46:03,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:46:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 10:46:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 10:46:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 10:46:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-18 10:46:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-18 10:46:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 10:46:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:46:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:46:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:46:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:46:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:46:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 10:46:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:46:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:46:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 10:46:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:46:04,079 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:46:25,362 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:46:25,480 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:46:25,569 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:46:25,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:46:25 BoogieIcfgContainer [2018-11-18 10:46:25,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:46:25,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:46:25,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:46:25,572 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:46:25,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:46:03" (1/3) ... [2018-11-18 10:46:25,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a13d0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:46:25, skipping insertion in model container [2018-11-18 10:46:25,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:03" (2/3) ... [2018-11-18 10:46:25,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a13d0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:46:25, skipping insertion in model container [2018-11-18 10:46:25,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:46:25" (3/3) ... [2018-11-18 10:46:25,575 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0921_true-unreach-call.c [2018-11-18 10:46:25,583 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:46:25,590 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:46:25,602 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:46:25,622 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:46:25,622 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:46:25,622 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:46:25,623 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:46:25,623 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:46:25,623 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:46:25,623 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:46:25,623 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:46:25,623 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:46:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-11-18 10:46:25,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:46:25,639 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:46:25,640 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:46:25,641 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:46:25,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:46:25,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1454715167, now seen corresponding path program 1 times [2018-11-18 10:46:25,647 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:46:25,647 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 10:46:25,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:46:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:46:26,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:46:26,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:46:26,389 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:46:26,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:46:26,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:46:26,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:46:26,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:46:26,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:46:26,433 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-11-18 10:46:26,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:46:26,453 INFO L93 Difference]: Finished difference Result 74 states and 108 transitions. [2018-11-18 10:46:26,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:46:26,454 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-18 10:46:26,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:46:26,463 INFO L225 Difference]: With dead ends: 74 [2018-11-18 10:46:26,463 INFO L226 Difference]: Without dead ends: 37 [2018-11-18 10:46:26,466 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:46:26,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-18 10:46:26,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-18 10:46:26,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 10:46:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2018-11-18 10:46:26,497 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 21 [2018-11-18 10:46:26,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:46:26,498 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2018-11-18 10:46:26,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:46:26,498 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2018-11-18 10:46:26,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:46:26,499 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:46:26,499 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:46:26,499 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:46:26,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:46:26,499 INFO L82 PathProgramCache]: Analyzing trace with hash -522835449, now seen corresponding path program 1 times [2018-11-18 10:46:26,500 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:46:26,500 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 10:46:26,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:46:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:46:27,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:46:27,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:46:27,381 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:46:27,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:46:27,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:46:27,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:46:27,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:46:27,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:46:27,405 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 6 states. [2018-11-18 10:46:37,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:46:37,077 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2018-11-18 10:46:37,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:46:37,654 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-18 10:46:37,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:46:37,657 INFO L225 Difference]: With dead ends: 51 [2018-11-18 10:46:37,657 INFO L226 Difference]: Without dead ends: 41 [2018-11-18 10:46:37,658 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:46:37,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-18 10:46:37,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 37. [2018-11-18 10:46:37,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 10:46:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 46 transitions. [2018-11-18 10:46:37,664 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 46 transitions. Word has length 22 [2018-11-18 10:46:37,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:46:37,664 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 46 transitions. [2018-11-18 10:46:37,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:46:37,664 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2018-11-18 10:46:37,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:46:37,666 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:46:37,666 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:46:37,666 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:46:37,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:46:37,666 INFO L82 PathProgramCache]: Analyzing trace with hash 675599430, now seen corresponding path program 1 times [2018-11-18 10:46:37,667 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:46:37,667 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 10:46:37,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:46:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:46:37,796 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:46:38,331 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-11-18 10:46:39,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:46:39,037 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:46:39,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:46:39,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 10:46:39,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:46:39,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:46:39,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:46:39,046 INFO L87 Difference]: Start difference. First operand 37 states and 46 transitions. Second operand 9 states. [2018-11-18 10:46:40,211 WARN L180 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 10:46:58,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:46:58,709 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2018-11-18 10:46:58,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 10:46:58,709 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-18 10:46:58,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:46:58,710 INFO L225 Difference]: With dead ends: 48 [2018-11-18 10:46:58,711 INFO L226 Difference]: Without dead ends: 41 [2018-11-18 10:46:58,711 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 10:46:58,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-18 10:46:58,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2018-11-18 10:46:58,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-18 10:46:58,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2018-11-18 10:46:58,719 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 22 [2018-11-18 10:46:58,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:46:58,720 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2018-11-18 10:46:58,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:46:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2018-11-18 10:46:58,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:46:58,721 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:46:58,721 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:46:58,721 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:46:58,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:46:58,721 INFO L82 PathProgramCache]: Analyzing trace with hash 2089035580, now seen corresponding path program 1 times [2018-11-18 10:46:58,722 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:46:58,722 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 10:46:58,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:46:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:46:59,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:47:01,837 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_log_#in~x| |c___ieee754_log_#in~x|) c_~zero~0) |c___ieee754_log_#res|) (= (_ +zero 11 53) c_~zero~0)) is different from true [2018-11-18 10:47:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:47:01,938 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:47:01,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:47:01,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 10:47:01,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:47:01,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:47:01,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=56, Unknown=1, NotChecked=14, Total=90 [2018-11-18 10:47:01,958 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand 10 states. [2018-11-18 10:47:07,501 WARN L180 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 10:47:11,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:11,367 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2018-11-18 10:47:11,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 10:47:11,368 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-11-18 10:47:11,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:11,369 INFO L225 Difference]: With dead ends: 48 [2018-11-18 10:47:11,369 INFO L226 Difference]: Without dead ends: 41 [2018-11-18 10:47:11,369 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=44, Invalid=141, Unknown=1, NotChecked=24, Total=210 [2018-11-18 10:47:11,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-18 10:47:11,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2018-11-18 10:47:11,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-18 10:47:11,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2018-11-18 10:47:11,374 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 23 [2018-11-18 10:47:11,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:11,374 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2018-11-18 10:47:11,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:47:11,374 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2018-11-18 10:47:11,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:47:11,375 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:11,375 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:47:11,375 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:11,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:11,375 INFO L82 PathProgramCache]: Analyzing trace with hash 917459255, now seen corresponding path program 1 times [2018-11-18 10:47:11,375 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:47:11,375 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 10:47:11,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:11,674 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:47:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:47:11,814 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:47:11,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:47:11,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:47:11,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:47:11,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:47:11,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:47:11,824 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand 7 states. [2018-11-18 10:47:19,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:19,997 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2018-11-18 10:47:20,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:47:20,619 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-18 10:47:20,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:20,620 INFO L225 Difference]: With dead ends: 58 [2018-11-18 10:47:20,620 INFO L226 Difference]: Without dead ends: 33 [2018-11-18 10:47:20,621 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:47:20,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-18 10:47:20,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-18 10:47:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-18 10:47:20,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2018-11-18 10:47:20,625 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 26 [2018-11-18 10:47:20,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:20,626 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2018-11-18 10:47:20,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:47:20,626 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-11-18 10:47:20,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:47:20,627 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:20,627 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:47:20,627 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:20,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:20,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1786475589, now seen corresponding path program 1 times [2018-11-18 10:47:20,628 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:47:20,628 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 10:47:20,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:20,760 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:47:20,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:47:20,877 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:47:20,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:47:20,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:47:20,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:47:20,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:47:20,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:47:20,887 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand 7 states. [2018-11-18 10:47:26,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:26,270 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2018-11-18 10:47:26,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:47:26,917 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-11-18 10:47:26,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:26,917 INFO L225 Difference]: With dead ends: 33 [2018-11-18 10:47:26,917 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:47:26,918 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:47:26,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:47:26,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:47:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:47:26,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:47:26,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2018-11-18 10:47:26,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:26,919 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:47:26,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:47:26,919 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:47:26,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:47:26,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:47:27,169 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2018-11-18 10:47:27,325 INFO L428 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 127) the Hoare annotation is: true [2018-11-18 10:47:27,325 INFO L425 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 127) no Hoare annotation was computed. [2018-11-18 10:47:27,325 INFO L425 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 127) no Hoare annotation was computed. [2018-11-18 10:47:27,325 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:47:27,325 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:47:27,325 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:47:27,325 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-11-18 10:47:27,325 INFO L425 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 45 124) no Hoare annotation was computed. [2018-11-18 10:47:27,326 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-11-18 10:47:27,326 INFO L421 ceAbstractionStarter]: At program point L65-3(lines 65 69) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (and (exists ((v_prenex_8 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_8))) (and (bvslt .cse0 (_ bv1048576 32)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (not (bvslt .cse0 (_ bv0 32)))))) (exists ((v_prenex_7 (_ BitVec 64))) (and (= __ieee754_log_~hx~1 ((_ extract 63 32) v_prenex_7)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))))))) [2018-11-18 10:47:27,326 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-11-18 10:47:27,326 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-11-18 10:47:27,326 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-11-18 10:47:27,326 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-11-18 10:47:27,326 INFO L425 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-11-18 10:47:27,326 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-11-18 10:47:27,326 INFO L425 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-11-18 10:47:27,326 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-11-18 10:47:27,326 INFO L421 ceAbstractionStarter]: At program point L50-3(lines 50 55) the Hoare annotation is: (or (= __ieee754_log_~x |__ieee754_log_#in~x|) (not (= (_ +zero 11 53) ~zero~0))) [2018-11-18 10:47:27,326 INFO L425 ceAbstractionStarter]: For program point L50-4(lines 50 55) no Hoare annotation was computed. [2018-11-18 10:47:27,327 INFO L428 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 45 124) the Hoare annotation is: true [2018-11-18 10:47:27,327 INFO L425 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 45 124) no Hoare annotation was computed. [2018-11-18 10:47:27,327 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-11-18 10:47:27,327 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-11-18 10:47:27,327 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-11-18 10:47:27,327 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-11-18 10:47:27,327 INFO L421 ceAbstractionStarter]: At program point L76-3(lines 76 81) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (exists ((v_prenex_8 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_8))) (and (bvslt .cse0 (_ bv1048576 32)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (not (bvslt .cse0 (_ bv0 32)))))) (and (= __ieee754_log_~x |__ieee754_log_#in~x|) (exists ((v_prenex_9 (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) v_prenex_9))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge .cse1 (_ bv2146435072 32))) (not (bvslt .cse1 (_ bv1048576 32)))))))) [2018-11-18 10:47:27,327 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 76 81) no Hoare annotation was computed. [2018-11-18 10:47:27,327 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:47:27,327 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero~0) [2018-11-18 10:47:27,327 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:47:27,327 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:47:27,327 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2018-11-18 10:47:27,327 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 129 145) the Hoare annotation is: true [2018-11-18 10:47:27,327 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 129 145) no Hoare annotation was computed. [2018-11-18 10:47:27,327 INFO L425 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-11-18 10:47:27,327 INFO L421 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse0 .cse0) (_ +zero 11 53)) main_~res~0)))) [2018-11-18 10:47:27,328 INFO L425 ceAbstractionStarter]: For program point L139-1(lines 139 142) no Hoare annotation was computed. [2018-11-18 10:47:27,328 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 129 145) no Hoare annotation was computed. [2018-11-18 10:47:27,328 INFO L421 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) [2018-11-18 10:47:27,328 INFO L425 ceAbstractionStarter]: For program point L136-1(line 136) no Hoare annotation was computed. [2018-11-18 10:47:27,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,343 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,343 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,343 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,343 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,344 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,344 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,344 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,344 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,344 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,345 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,345 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,345 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,346 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,350 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,350 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,350 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,351 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,351 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,351 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,351 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:47:27 BoogieIcfgContainer [2018-11-18 10:47:27,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:47:27,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:47:27,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:47:27,354 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:47:27,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:46:25" (3/4) ... [2018-11-18 10:47:27,357 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:47:27,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-18 10:47:27,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:47:27,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-11-18 10:47:27,364 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:47:27,369 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-11-18 10:47:27,369 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-18 10:47:27,369 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:47:27,369 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 10:47:27,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) [2018-11-18 10:47:27,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero) || ((\exists v_prenex_8 : bv64 :: (~bvslt32(v_prenex_8[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0])) && !~bvslt32(v_prenex_8[63:32], 0bv32)) && (\exists v_prenex_7 : bv64 :: hx == v_prenex_7[63:32] && \old(x) == ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]))) [2018-11-18 10:47:27,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~Pluszero~LONGDOUBLE() == zero) || (\exists v_prenex_8 : bv64 :: (~bvslt32(v_prenex_8[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0])) && !~bvslt32(v_prenex_8[63:32], 0bv32))) || (x == \old(x) && (\exists v_prenex_9 : bv64 :: (\old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(v_prenex_9[63:32], 2146435072bv32)) && !~bvslt32(v_prenex_9[63:32], 1048576bv32))) [2018-11-18 10:47:27,424 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6100f4d7-fbd4-4f56-af37-2d9e673e08d3/bin-2019/utaipan/witness.graphml [2018-11-18 10:47:27,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:47:27,425 INFO L168 Benchmark]: Toolchain (without parser) took 83968.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 951.9 MB in the beginning and 869.8 MB in the end (delta: 82.1 MB). Peak memory consumption was 243.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:27,426 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:47:27,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.88 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:27,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.22 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:27,426 INFO L168 Benchmark]: Boogie Preprocessor took 77.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 930.4 MB in the beginning and 1.2 GB in the end (delta: -225.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:27,427 INFO L168 Benchmark]: RCFGBuilder took 21734.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:27,427 INFO L168 Benchmark]: TraceAbstraction took 61782.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.3 MB in the end (delta: 247.3 MB). Peak memory consumption was 247.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:27,427 INFO L168 Benchmark]: Witness Printer took 71.15 ms. Allocated memory is still 1.2 GB. Free memory was 876.3 MB in the beginning and 869.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:27,429 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.88 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.22 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 930.4 MB in the beginning and 1.2 GB in the end (delta: -225.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 21734.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 61782.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.3 MB in the end (delta: 247.3 MB). Peak memory consumption was 247.3 MB. Max. memory is 11.5 GB. * Witness Printer took 71.15 ms. Allocated memory is still 1.2 GB. Free memory was 876.3 MB in the beginning and 869.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 65]: Loop Invariant [2018-11-18 10:47:27,435 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,435 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,435 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,436 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,436 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,436 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,436 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,436 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,436 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,437 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,437 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,437 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,437 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,437 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,438 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,442 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,442 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 10:47:27,442 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: !(~Pluszero~LONGDOUBLE() == zero) || ((\exists v_prenex_8 : bv64 :: (~bvslt32(v_prenex_8[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0])) && !~bvslt32(v_prenex_8[63:32], 0bv32)) && (\exists v_prenex_7 : bv64 :: hx == v_prenex_7[63:32] && \old(x) == ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) - InvariantResult [Line: 76]: Loop Invariant [2018-11-18 10:47:27,443 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,443 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,443 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,443 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,444 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,444 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,444 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,444 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,444 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,444 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,445 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,445 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,445 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,445 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,445 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 10:47:27,446 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,446 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,446 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,446 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 10:47:27,446 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] Derived loop invariant: (!(~Pluszero~LONGDOUBLE() == zero) || (\exists v_prenex_8 : bv64 :: (~bvslt32(v_prenex_8[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0])) && !~bvslt32(v_prenex_8[63:32], 0bv32))) || (x == \old(x) && (\exists v_prenex_9 : bv64 :: (\old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(v_prenex_9[63:32], 2146435072bv32)) && !~bvslt32(v_prenex_9[63:32], 1048576bv32))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. SAFE Result, 61.7s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 54.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 244 SDtfs, 116 SDslu, 876 SDs, 0 SdLazy, 277 SolverSat, 15 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 44.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 8.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 6 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 16 PreInvPairs, 22 NumberOfFragments, 145 HoareAnnotationTreeSize, 16 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 76 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 136 ConstructedInterpolants, 28 QuantifiedInterpolants, 20744 SizeOfPredicates, 18 NumberOfNonLiveVariables, 578 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...