./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270c_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_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/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 fce8eaffc8fbce8eaab4a2e551ea29a4fcef0871 ....................................................................................................................................................................................................................................................................................................................................................... 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_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/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 fce8eaffc8fbce8eaab4a2e551ea29a4fcef0871 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:03:48,880 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:03:48,881 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:03:48,889 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:03:48,889 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:03:48,889 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:03:48,890 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:03:48,891 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:03:48,892 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:03:48,893 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:03:48,894 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:03:48,894 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:03:48,894 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:03:48,895 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:03:48,896 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:03:48,896 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:03:48,896 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:03:48,897 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:03:48,898 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:03:48,899 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:03:48,900 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:03:48,900 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:03:48,901 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:03:48,902 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:03:48,902 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:03:48,902 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:03:48,903 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:03:48,904 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:03:48,904 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:03:48,905 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:03:48,905 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:03:48,906 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:03:48,906 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:03:48,906 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:03:48,907 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:03:48,907 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:03:48,907 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:03:48,916 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:03:48,916 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:03:48,916 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:03:48,916 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:03:48,917 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:03:48,917 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:03:48,917 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:03:48,917 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:03:48,917 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:03:48,917 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:03:48,917 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:03:48,918 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:03:48,918 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:03:48,918 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:03:48,918 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:03:48,918 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:03:48,919 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:03:48,919 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:03:48,919 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:03:48,919 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:03:48,919 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:03:48,919 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:03:48,919 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:03:48,919 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:03:48,920 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:03:48,920 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:03:48,920 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:03:48,920 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:03:48,920 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:03:48,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:03:48,921 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:03:48,921 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:03:48,921 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:03:48,921 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:03:48,921 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:03:48,921 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:03:48,921 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:03:48,921 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/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 -> fce8eaffc8fbce8eaab4a2e551ea29a4fcef0871 [2018-11-18 09:03:48,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:03:48,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:03:48,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:03:48,957 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:03:48,958 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:03:48,958 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270c_true-unreach-call.c [2018-11-18 09:03:48,995 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/data/6b771c187/72aa942b83d84d1ea2a766937db5c4e6/FLAGd5b3b3dcf [2018-11-18 09:03:49,401 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:03:49,401 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/sv-benchmarks/c/float-newlib/float_req_bl_1270c_true-unreach-call.c [2018-11-18 09:03:49,407 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/data/6b771c187/72aa942b83d84d1ea2a766937db5c4e6/FLAGd5b3b3dcf [2018-11-18 09:03:49,416 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/data/6b771c187/72aa942b83d84d1ea2a766937db5c4e6 [2018-11-18 09:03:49,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:03:49,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:03:49,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:03:49,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:03:49,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:03:49,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:03:49" (1/1) ... [2018-11-18 09:03:49,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602e9054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:49, skipping insertion in model container [2018-11-18 09:03:49,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:03:49" (1/1) ... [2018-11-18 09:03:49,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:03:49,449 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:03:49,591 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:03:49,594 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:03:49,621 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:03:49,638 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:03:49,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:49 WrapperNode [2018-11-18 09:03:49,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:03:49,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:03:49,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:03:49,640 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:03:49,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:49" (1/1) ... [2018-11-18 09:03:49,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:49" (1/1) ... [2018-11-18 09:03:49,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:03:49,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:03:49,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:03:49,697 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:03:49,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:49" (1/1) ... [2018-11-18 09:03:49,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:49" (1/1) ... [2018-11-18 09:03:49,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:49" (1/1) ... [2018-11-18 09:03:49,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:49" (1/1) ... [2018-11-18 09:03:49,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:49" (1/1) ... [2018-11-18 09:03:49,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:49" (1/1) ... [2018-11-18 09:03:49,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:49" (1/1) ... [2018-11-18 09:03:49,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:03:49,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:03:49,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:03:49,735 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:03:49,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/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 09:03:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:03:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:03:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 09:03:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 09:03:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-18 09:03:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-18 09:03:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:03:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:03:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 09:03:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:03:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:03:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:03:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 09:03:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-11-18 09:03:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-11-18 09:03:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:03:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 09:03:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 09:03:50,162 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:03:50,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:03:50 BoogieIcfgContainer [2018-11-18 09:03:50,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:03:50,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:03:50,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:03:50,165 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:03:50,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:03:49" (1/3) ... [2018-11-18 09:03:50,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b299bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:03:50, skipping insertion in model container [2018-11-18 09:03:50,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:49" (2/3) ... [2018-11-18 09:03:50,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b299bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:03:50, skipping insertion in model container [2018-11-18 09:03:50,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:03:50" (3/3) ... [2018-11-18 09:03:50,168 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270c_true-unreach-call.c [2018-11-18 09:03:50,175 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:03:50,181 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:03:50,193 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:03:50,216 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:03:50,216 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:03:50,216 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:03:50,216 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:03:50,216 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:03:50,216 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:03:50,216 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:03:50,216 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:03:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2018-11-18 09:03:50,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 09:03:50,231 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:03:50,231 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 09:03:50,232 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:03:50,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:03:50,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1904118098, now seen corresponding path program 1 times [2018-11-18 09:03:50,237 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:03:50,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:03:50,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:03:50,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:03:50,272 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:03:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:03:50,327 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 09:03:50,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:03:50,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:03:50,329 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:03:50,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:03:50,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:03:50,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:03:50,346 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 2 states. [2018-11-18 09:03:50,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:03:50,366 INFO L93 Difference]: Finished difference Result 200 states and 317 transitions. [2018-11-18 09:03:50,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:03:50,367 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 28 [2018-11-18 09:03:50,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:03:50,375 INFO L225 Difference]: With dead ends: 200 [2018-11-18 09:03:50,375 INFO L226 Difference]: Without dead ends: 100 [2018-11-18 09:03:50,378 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 09:03:50,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-18 09:03:50,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-11-18 09:03:50,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-18 09:03:50,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2018-11-18 09:03:50,408 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 28 [2018-11-18 09:03:50,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:03:50,409 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2018-11-18 09:03:50,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:03:50,409 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2018-11-18 09:03:50,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 09:03:50,411 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:03:50,412 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, 1, 1, 1, 1, 1] [2018-11-18 09:03:50,412 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:03:50,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:03:50,412 INFO L82 PathProgramCache]: Analyzing trace with hash 2078513152, now seen corresponding path program 1 times [2018-11-18 09:03:50,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:03:50,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:03:50,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:03:50,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:03:50,414 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:03:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:03:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:03:50,499 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 09:03:50,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:03:50 BoogieIcfgContainer [2018-11-18 09:03:50,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:03:50,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:03:50,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:03:50,523 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:03:50,524 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:03:50" (3/4) ... [2018-11-18 09:03:50,526 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 09:03:50,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:03:50,527 INFO L168 Benchmark]: Toolchain (without parser) took 1107.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -84.4 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:50,528 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:03:50,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.20 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 944.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:50,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:50,529 INFO L168 Benchmark]: Boogie Preprocessor took 38.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:50,529 INFO L168 Benchmark]: RCFGBuilder took 427.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:50,529 INFO L168 Benchmark]: TraceAbstraction took 359.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:50,530 INFO L168 Benchmark]: Witness Printer took 3.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:03:50,532 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 219.20 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 944.2 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 57.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 427.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 359.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 235]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 118, overapproximation of bitwiseAnd at line 218. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=10737418249, \old(tiny_sqrt)=10737418255, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L229] float x = __VERIFIER_nondet_float(); [L230] float y = 1.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247] [L232] CALL, EXPR __ieee754_hypotf(x, y) VAL [\old(x)=10737418247, \old(y)=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L82] float a = x, b = y, t1, t2, y1, y2, w; [L83] __int32_t j, k, ha, hb; VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L86] FCALL ieee_float_shape_type gf_u; [L87] FCALL gf_u.value = (x) [L88] EXPR, FCALL gf_u.word [L88] (ha) = gf_u.word [L89] COND FALSE !(0) VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, ha=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L90] ha &= 0x7fffffffL VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L92] FCALL ieee_float_shape_type gf_u; [L93] FCALL gf_u.value = (y) [L94] EXPR, FCALL gf_u.word [L94] (hb) = gf_u.word [L95] COND FALSE !(0) VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, hb=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L96] hb &= 0x7fffffffL VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L97] COND TRUE hb > ha [L98] a = y [L99] b = x [L100] j = ha [L101] ha = hb [L102] hb = j VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418248, b=10737418247, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L108] FCALL ieee_float_shape_type sf_u; [L109] FCALL sf_u.word = (ha) [L110] EXPR, FCALL sf_u.value [L110] (a) = sf_u.value [L111] COND FALSE !(0) VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418246, b=10737418247, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L113] FCALL ieee_float_shape_type sf_u; [L114] FCALL sf_u.word = (hb) [L115] EXPR, FCALL sf_u.value [L115] (b) = sf_u.value [L116] COND FALSE !(0) VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418246, b=10737418259, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L117] COND TRUE (ha - hb) > 0xf000000L [L118] RET return a + b; VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418246, b=10737418259, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L232] EXPR __ieee754_hypotf(x, y) VAL [__ieee754_hypotf(x, y)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L232] float res = __ieee754_hypotf(x, y); [L234] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L212] __int32_t ix; VAL [\old(x)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L214] FCALL ieee_float_shape_type gf_u; [L215] FCALL gf_u.value = (x) [L216] EXPR, FCALL gf_u.word [L216] (ix) = gf_u.word [L217] COND FALSE !(0) VAL [\old(x)=10737418243, ix=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L218] ix &= 0x7fffffff [L219] RET return ((ix) == 0x7f800000L); VAL [\old(x)=10737418243, \result=0, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L234] EXPR isinf_float(res) VAL [isinf_float(res)=0, one_sqrt=1, res=10737418243, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L234] COND TRUE !isinf_float(res) [L235] __VERIFIER_error() VAL [one_sqrt=1, res=10737418243, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 104 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 126 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=104occurred 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, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 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 09:03:51,952 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:03:51,953 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:03:51,962 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:03:51,963 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:03:51,963 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:03:51,964 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:03:51,965 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:03:51,966 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:03:51,967 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:03:51,968 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:03:51,968 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:03:51,968 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:03:51,969 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:03:51,970 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:03:51,971 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:03:51,971 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:03:51,973 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:03:51,974 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:03:51,976 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:03:51,976 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:03:51,977 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:03:51,979 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:03:51,979 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:03:51,979 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:03:51,980 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:03:51,981 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:03:51,981 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:03:51,982 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:03:51,983 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:03:51,983 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:03:51,983 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:03:51,983 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:03:51,983 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:03:51,984 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:03:51,985 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:03:51,985 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 09:03:51,996 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:03:51,996 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:03:51,997 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:03:51,997 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:03:51,997 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:03:51,997 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:03:51,997 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:03:51,997 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:03:51,998 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:03:51,998 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:03:51,998 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:03:51,998 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:03:51,999 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:03:51,999 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:03:51,999 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:03:51,999 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:03:51,999 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:03:51,999 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 09:03:51,999 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 09:03:52,000 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:03:52,000 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:03:52,000 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:03:52,000 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:03:52,000 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:03:52,000 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:03:52,000 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:03:52,001 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:03:52,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:03:52,001 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:03:52,002 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:03:52,002 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:03:52,002 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 09:03:52,002 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:03:52,003 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 09:03:52,003 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 09:03:52,003 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_91f8dcba-7489-4829-88cf-196a5a53782e/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 -> fce8eaffc8fbce8eaab4a2e551ea29a4fcef0871 [2018-11-18 09:03:52,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:03:52,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:03:52,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:03:52,046 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:03:52,046 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:03:52,047 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270c_true-unreach-call.c [2018-11-18 09:03:52,088 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/data/7e86b82a0/3924b7d56f764001b96154101fcdbfd7/FLAGbceddc60d [2018-11-18 09:03:52,488 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:03:52,489 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/sv-benchmarks/c/float-newlib/float_req_bl_1270c_true-unreach-call.c [2018-11-18 09:03:52,493 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/data/7e86b82a0/3924b7d56f764001b96154101fcdbfd7/FLAGbceddc60d [2018-11-18 09:03:52,501 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/data/7e86b82a0/3924b7d56f764001b96154101fcdbfd7 [2018-11-18 09:03:52,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:03:52,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:03:52,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:03:52,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:03:52,506 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:03:52,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:03:52" (1/1) ... [2018-11-18 09:03:52,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f8f505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:52, skipping insertion in model container [2018-11-18 09:03:52,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:03:52" (1/1) ... [2018-11-18 09:03:52,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:03:52,534 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:03:52,699 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:03:52,703 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:03:52,745 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:03:52,764 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:03:52,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:52 WrapperNode [2018-11-18 09:03:52,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:03:52,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:03:52,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:03:52,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:03:52,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:52" (1/1) ... [2018-11-18 09:03:52,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:52" (1/1) ... [2018-11-18 09:03:52,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:03:52,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:03:52,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:03:52,837 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:03:52,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:52" (1/1) ... [2018-11-18 09:03:52,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:52" (1/1) ... [2018-11-18 09:03:52,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:52" (1/1) ... [2018-11-18 09:03:52,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:52" (1/1) ... [2018-11-18 09:03:52,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:52" (1/1) ... [2018-11-18 09:03:52,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:52" (1/1) ... [2018-11-18 09:03:52,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:52" (1/1) ... [2018-11-18 09:03:52,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:03:52,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:03:52,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:03:52,876 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:03:52,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/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 09:03:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:03:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:03:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 09:03:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-18 09:03:52,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-18 09:03:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:03:52,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:03:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:03:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 09:03:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:03:52,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:03:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 09:03:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-11-18 09:03:52,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-11-18 09:03:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 09:03:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:03:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 09:03:52,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 09:03:53,172 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:03:53,288 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:03:53,977 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:03:53,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:03:53 BoogieIcfgContainer [2018-11-18 09:03:53,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:03:53,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:03:53,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:03:53,981 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:03:53,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:03:52" (1/3) ... [2018-11-18 09:03:53,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afd96eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:03:53, skipping insertion in model container [2018-11-18 09:03:53,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:52" (2/3) ... [2018-11-18 09:03:53,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afd96eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:03:53, skipping insertion in model container [2018-11-18 09:03:53,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:03:53" (3/3) ... [2018-11-18 09:03:53,983 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270c_true-unreach-call.c [2018-11-18 09:03:53,989 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:03:53,994 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:03:54,004 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:03:54,021 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:03:54,022 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:03:54,022 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:03:54,022 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:03:54,022 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:03:54,022 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:03:54,022 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:03:54,022 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:03:54,022 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:03:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-11-18 09:03:54,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 09:03:54,036 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:03:54,037 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] [2018-11-18 09:03:54,038 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:03:54,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:03:54,041 INFO L82 PathProgramCache]: Analyzing trace with hash 992188458, now seen corresponding path program 1 times [2018-11-18 09:03:54,044 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:03:54,044 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/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 09:03:54,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:03:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:03:54,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:03:54,130 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 09:03:54,130 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:03:54,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:03:54,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:03:54,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:03:54,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:03:54,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:03:54,151 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2018-11-18 09:03:54,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:03:54,172 INFO L93 Difference]: Finished difference Result 198 states and 315 transitions. [2018-11-18 09:03:54,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:03:54,173 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-11-18 09:03:54,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:03:54,181 INFO L225 Difference]: With dead ends: 198 [2018-11-18 09:03:54,182 INFO L226 Difference]: Without dead ends: 99 [2018-11-18 09:03:54,185 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 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 09:03:54,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-18 09:03:54,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-18 09:03:54,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-18 09:03:54,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 121 transitions. [2018-11-18 09:03:54,217 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 121 transitions. Word has length 27 [2018-11-18 09:03:54,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:03:54,217 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 121 transitions. [2018-11-18 09:03:54,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:03:54,218 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2018-11-18 09:03:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 09:03:54,219 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:03:54,219 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, 1, 1, 1, 1] [2018-11-18 09:03:54,219 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:03:54,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:03:54,220 INFO L82 PathProgramCache]: Analyzing trace with hash 695116984, now seen corresponding path program 1 times [2018-11-18 09:03:54,220 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:03:54,220 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/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 09:03:54,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:03:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:03:54,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:03:54,579 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 09:03:54,579 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:03:54,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:03:54,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 09:03:54,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:03:54,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:03:54,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:03:54,593 INFO L87 Difference]: Start difference. First operand 99 states and 121 transitions. Second operand 9 states. [2018-11-18 09:04:14,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:04:14,009 INFO L93 Difference]: Finished difference Result 200 states and 244 transitions. [2018-11-18 09:04:14,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 09:04:14,046 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-11-18 09:04:14,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:04:14,049 INFO L225 Difference]: With dead ends: 200 [2018-11-18 09:04:14,049 INFO L226 Difference]: Without dead ends: 153 [2018-11-18 09:04:14,049 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2018-11-18 09:04:14,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-11-18 09:04:14,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 113. [2018-11-18 09:04:14,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-18 09:04:14,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 137 transitions. [2018-11-18 09:04:14,060 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 137 transitions. Word has length 32 [2018-11-18 09:04:14,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:04:14,061 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 137 transitions. [2018-11-18 09:04:14,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:04:14,061 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 137 transitions. [2018-11-18 09:04:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 09:04:14,062 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:04:14,062 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, 1, 1, 1, 1] [2018-11-18 09:04:14,062 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:04:14,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:04:14,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1605705606, now seen corresponding path program 1 times [2018-11-18 09:04:14,063 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:04:14,063 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/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 09:04:14,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:04:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:04:14,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:04:16,334 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 09:04:16,334 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:04:16,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:04:16,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-11-18 09:04:16,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 09:04:16,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 09:04:16,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2018-11-18 09:04:16,343 INFO L87 Difference]: Start difference. First operand 113 states and 137 transitions. Second operand 17 states. [2018-11-18 09:04:17,222 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-11-18 09:04:22,346 WARN L180 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-11-18 09:05:10,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:05:10,635 INFO L93 Difference]: Finished difference Result 180 states and 219 transitions. [2018-11-18 09:05:10,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 09:05:10,681 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 32 [2018-11-18 09:05:10,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:05:10,682 INFO L225 Difference]: With dead ends: 180 [2018-11-18 09:05:10,682 INFO L226 Difference]: Without dead ends: 173 [2018-11-18 09:05:10,682 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=99, Invalid=657, Unknown=0, NotChecked=0, Total=756 [2018-11-18 09:05:10,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-11-18 09:05:10,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 113. [2018-11-18 09:05:10,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-18 09:05:10,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 136 transitions. [2018-11-18 09:05:10,696 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 136 transitions. Word has length 32 [2018-11-18 09:05:10,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:05:10,696 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 136 transitions. [2018-11-18 09:05:10,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 09:05:10,696 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 136 transitions. [2018-11-18 09:05:10,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 09:05:10,698 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:05:10,698 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:05:10,699 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:05:10,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:05:10,699 INFO L82 PathProgramCache]: Analyzing trace with hash 575000717, now seen corresponding path program 1 times [2018-11-18 09:05:10,699 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:05:10,699 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/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 09:05:10,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:05:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:05:10,760 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:05:10,862 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 09:05:10,862 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:05:10,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:05:10,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 09:05:10,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:05:10,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:05:10,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:05:10,871 INFO L87 Difference]: Start difference. First operand 113 states and 136 transitions. Second operand 8 states. [2018-11-18 09:05:38,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:05:38,773 INFO L93 Difference]: Finished difference Result 212 states and 252 transitions. [2018-11-18 09:05:38,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 09:05:38,809 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-11-18 09:05:38,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:05:38,810 INFO L225 Difference]: With dead ends: 212 [2018-11-18 09:05:38,810 INFO L226 Difference]: Without dead ends: 128 [2018-11-18 09:05:38,811 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-11-18 09:05:38,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-18 09:05:38,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 108. [2018-11-18 09:05:38,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-18 09:05:38,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 129 transitions. [2018-11-18 09:05:38,823 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 129 transitions. Word has length 35 [2018-11-18 09:05:38,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:05:38,823 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 129 transitions. [2018-11-18 09:05:38,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:05:38,823 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 129 transitions. [2018-11-18 09:05:38,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 09:05:38,824 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:05:38,824 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:05:38,825 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:05:38,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:05:38,826 INFO L82 PathProgramCache]: Analyzing trace with hash 465048743, now seen corresponding path program 1 times [2018-11-18 09:05:38,826 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:05:38,826 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/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 09:05:38,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:05:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:05:38,901 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:05:39,219 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 09:05:39,219 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:05:39,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:05:39,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-18 09:05:39,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 09:05:39,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 09:05:39,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-11-18 09:05:39,227 INFO L87 Difference]: Start difference. First operand 108 states and 129 transitions. Second operand 15 states. [2018-11-18 09:06:02,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:06:02,433 INFO L93 Difference]: Finished difference Result 137 states and 163 transitions. [2018-11-18 09:06:02,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 09:06:02,433 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2018-11-18 09:06:02,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:06:02,434 INFO L225 Difference]: With dead ends: 137 [2018-11-18 09:06:02,434 INFO L226 Difference]: Without dead ends: 129 [2018-11-18 09:06:02,435 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2018-11-18 09:06:02,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-18 09:06:02,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 111. [2018-11-18 09:06:02,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-18 09:06:02,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 134 transitions. [2018-11-18 09:06:02,445 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 134 transitions. Word has length 37 [2018-11-18 09:06:02,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:06:02,446 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 134 transitions. [2018-11-18 09:06:02,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 09:06:02,446 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 134 transitions. [2018-11-18 09:06:02,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 09:06:02,446 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:06:02,447 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:06:02,447 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:06:02,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:06:02,447 INFO L82 PathProgramCache]: Analyzing trace with hash -546068507, now seen corresponding path program 1 times [2018-11-18 09:06:02,447 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:06:02,447 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/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 09:06:02,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:06:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:06:02,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:06:02,596 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 09:06:02,596 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:06:02,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:06:02,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:06:02,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:06:02,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:06:02,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:06:02,605 INFO L87 Difference]: Start difference. First operand 111 states and 134 transitions. Second operand 7 states. [2018-11-18 09:06:16,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:06:16,831 INFO L93 Difference]: Finished difference Result 139 states and 163 transitions. [2018-11-18 09:06:16,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:06:16,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2018-11-18 09:06:16,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:06:16,874 INFO L225 Difference]: With dead ends: 139 [2018-11-18 09:06:16,874 INFO L226 Difference]: Without dead ends: 123 [2018-11-18 09:06:16,874 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:06:16,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-18 09:06:16,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 109. [2018-11-18 09:06:16,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-18 09:06:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 130 transitions. [2018-11-18 09:06:16,884 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 130 transitions. Word has length 37 [2018-11-18 09:06:16,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:06:16,885 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 130 transitions. [2018-11-18 09:06:16,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:06:16,885 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2018-11-18 09:06:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 09:06:16,885 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:06:16,886 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:06:16,886 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:06:16,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:06:16,886 INFO L82 PathProgramCache]: Analyzing trace with hash -2024480219, now seen corresponding path program 1 times [2018-11-18 09:06:16,886 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:06:16,886 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-18 09:06:16,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:06:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:06:16,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:06:17,143 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 09:06:17,143 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:06:17,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:06:17,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 09:06:17,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:06:17,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:06:17,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:06:17,156 INFO L87 Difference]: Start difference. First operand 109 states and 130 transitions. Second operand 9 states. [2018-11-18 09:06:34,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:06:34,283 INFO L93 Difference]: Finished difference Result 139 states and 161 transitions. [2018-11-18 09:06:34,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 09:06:34,324 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-11-18 09:06:34,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:06:34,325 INFO L225 Difference]: With dead ends: 139 [2018-11-18 09:06:34,325 INFO L226 Difference]: Without dead ends: 125 [2018-11-18 09:06:34,325 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:06:34,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-18 09:06:34,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 109. [2018-11-18 09:06:34,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-18 09:06:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 129 transitions. [2018-11-18 09:06:34,336 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 129 transitions. Word has length 37 [2018-11-18 09:06:34,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:06:34,336 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 129 transitions. [2018-11-18 09:06:34,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:06:34,336 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 129 transitions. [2018-11-18 09:06:34,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 09:06:34,337 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:06:34,337 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:06:34,337 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:06:34,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:06:34,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1259369827, now seen corresponding path program 1 times [2018-11-18 09:06:34,338 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:06:34,338 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-18 09:06:34,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:06:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:06:34,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:06:34,782 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 09:06:34,783 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:06:34,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:06:34,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-11-18 09:06:34,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 09:06:34,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 09:06:34,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-11-18 09:06:34,796 INFO L87 Difference]: Start difference. First operand 109 states and 129 transitions. Second operand 16 states. [2018-11-18 09:06:57,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:06:57,423 INFO L93 Difference]: Finished difference Result 135 states and 157 transitions. [2018-11-18 09:06:57,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 09:06:57,424 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 37 [2018-11-18 09:06:57,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:06:57,424 INFO L225 Difference]: With dead ends: 135 [2018-11-18 09:06:57,424 INFO L226 Difference]: Without dead ends: 126 [2018-11-18 09:06:57,425 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=94, Invalid=662, Unknown=0, NotChecked=0, Total=756 [2018-11-18 09:06:57,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-18 09:06:57,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 109. [2018-11-18 09:06:57,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-18 09:06:57,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2018-11-18 09:06:57,439 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 37 [2018-11-18 09:06:57,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:06:57,439 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2018-11-18 09:06:57,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 09:06:57,439 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2018-11-18 09:06:57,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 09:06:57,440 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:06:57,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:06:57,440 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:06:57,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:06:57,440 INFO L82 PathProgramCache]: Analyzing trace with hash -20493851, now seen corresponding path program 1 times [2018-11-18 09:06:57,440 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:06:57,441 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-11-18 09:06:57,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:06:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:06:57,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:06:57,603 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 09:06:57,603 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:06:57,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:06:57,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 09:06:57,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:06:57,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:06:57,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:06:57,612 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 8 states. [2018-11-18 09:07:18,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:07:18,106 INFO L93 Difference]: Finished difference Result 171 states and 198 transitions. [2018-11-18 09:07:18,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 09:07:18,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-11-18 09:07:18,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:07:18,145 INFO L225 Difference]: With dead ends: 171 [2018-11-18 09:07:18,145 INFO L226 Difference]: Without dead ends: 113 [2018-11-18 09:07:18,145 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:07:18,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-11-18 09:07:18,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 99. [2018-11-18 09:07:18,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-18 09:07:18,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2018-11-18 09:07:18,153 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 37 [2018-11-18 09:07:18,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:07:18,153 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2018-11-18 09:07:18,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:07:18,154 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2018-11-18 09:07:18,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 09:07:18,154 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:07:18,154 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:07:18,154 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:07:18,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:07:18,155 INFO L82 PathProgramCache]: Analyzing trace with hash -334731819, now seen corresponding path program 1 times [2018-11-18 09:07:18,155 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:07:18,155 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-11-18 09:07:18,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:07:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:07:18,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:07:18,504 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 09:07:18,504 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:07:18,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:07:18,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 09:07:18,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:07:18,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:07:18,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:07:18,512 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 9 states. [2018-11-18 09:07:37,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:07:37,499 INFO L93 Difference]: Finished difference Result 124 states and 142 transitions. [2018-11-18 09:07:37,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 09:07:37,529 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-11-18 09:07:37,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:07:37,529 INFO L225 Difference]: With dead ends: 124 [2018-11-18 09:07:37,529 INFO L226 Difference]: Without dead ends: 77 [2018-11-18 09:07:37,530 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-11-18 09:07:37,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-11-18 09:07:37,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-11-18 09:07:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-18 09:07:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2018-11-18 09:07:37,537 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 40 [2018-11-18 09:07:37,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:07:37,537 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2018-11-18 09:07:37,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:07:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2018-11-18 09:07:37,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 09:07:37,537 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:07:37,537 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, 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 09:07:37,538 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:07:37,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:07:37,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1364992480, now seen corresponding path program 1 times [2018-11-18 09:07:37,538 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:07:37,538 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2018-11-18 09:07:37,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:07:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:07:37,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:07:38,296 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 09:07:38,296 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:07:38,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:07:38,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 09:07:38,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:07:38,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:07:38,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:07:38,308 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 9 states. [2018-11-18 09:07:44,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:07:44,162 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2018-11-18 09:07:44,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 09:07:44,199 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2018-11-18 09:07:44,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:07:44,199 INFO L225 Difference]: With dead ends: 77 [2018-11-18 09:07:44,199 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:07:44,200 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:07:44,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:07:44,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:07:44,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:07:44,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:07:44,200 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2018-11-18 09:07:44,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:07:44,200 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:07:44,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:07:44,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:07:44,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:07:44,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:07:44,916 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2018-11-18 09:07:45,147 INFO L425 ceAbstractionStarter]: For program point L213-1(lines 213 217) no Hoare annotation was computed. [2018-11-18 09:07:45,147 INFO L421 ceAbstractionStarter]: At program point L213-3(lines 213 217) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-18 09:07:45,147 INFO L425 ceAbstractionStarter]: For program point L213-4(lines 213 217) no Hoare annotation was computed. [2018-11-18 09:07:45,147 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 211 220) the Hoare annotation is: true [2018-11-18 09:07:45,147 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 211 220) no Hoare annotation was computed. [2018-11-18 09:07:45,148 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 211 220) no Hoare annotation was computed. [2018-11-18 09:07:45,148 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:07:45,148 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:07:45,148 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:07:45,148 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:07:45,148 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 09:07:45,148 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:07:45,148 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:07:45,148 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 222 239) the Hoare annotation is: true [2018-11-18 09:07:45,148 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 222 239) no Hoare annotation was computed. [2018-11-18 09:07:45,148 INFO L425 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2018-11-18 09:07:45,149 INFO L421 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (and (= main_~y~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (exists ((v___ieee754_hypotf_~hb~0_26 (_ BitVec 32)) (v___ieee754_hypotf_~ha~0_25 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_25)) (.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_26))) (and (= (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) main_~res~0) (bvsgt (bvadd (bvneg .cse1) .cse0) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_26) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_26) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_26)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))))))) [2018-11-18 09:07:45,149 INFO L425 ceAbstractionStarter]: For program point L234-1(lines 234 237) no Hoare annotation was computed. [2018-11-18 09:07:45,149 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 222 239) no Hoare annotation was computed. [2018-11-18 09:07:45,149 INFO L421 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (= main_~y~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-11-18 09:07:45,149 INFO L425 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2018-11-18 09:07:45,149 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2018-11-18 09:07:45,149 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-11-18 09:07:45,149 INFO L421 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) [2018-11-18 09:07:45,149 INFO L425 ceAbstractionStarter]: For program point L85-4(lines 85 89) no Hoare annotation was computed. [2018-11-18 09:07:45,149 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 185 189) no Hoare annotation was computed. [2018-11-18 09:07:45,150 INFO L421 ceAbstractionStarter]: At program point L185-3(lines 185 189) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 09:07:45,150 INFO L425 ceAbstractionStarter]: For program point L185-4(lines 185 189) no Hoare annotation was computed. [2018-11-18 09:07:45,150 INFO L425 ceAbstractionStarter]: For program point __ieee754_hypotfFINAL(lines 81 208) no Hoare annotation was computed. [2018-11-18 09:07:45,150 INFO L425 ceAbstractionStarter]: For program point __ieee754_hypotfEXIT(lines 81 208) no Hoare annotation was computed. [2018-11-18 09:07:45,150 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 144) no Hoare annotation was computed. [2018-11-18 09:07:45,150 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 81 208) no Hoare annotation was computed. [2018-11-18 09:07:45,150 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 129) no Hoare annotation was computed. [2018-11-18 09:07:45,150 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 143) no Hoare annotation was computed. [2018-11-18 09:07:45,150 INFO L425 ceAbstractionStarter]: For program point L139-2(lines 121 144) no Hoare annotation was computed. [2018-11-18 09:07:45,150 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. [2018-11-18 09:07:45,150 INFO L425 ceAbstractionStarter]: For program point L107-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 09:07:45,151 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-11-18 09:07:45,151 INFO L425 ceAbstractionStarter]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2018-11-18 09:07:45,152 INFO L425 ceAbstractionStarter]: For program point L124-2(lines 122 129) no Hoare annotation was computed. [2018-11-18 09:07:45,152 INFO L421 ceAbstractionStarter]: At program point L91-3(lines 91 95) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29)))) [2018-11-18 09:07:45,152 INFO L425 ceAbstractionStarter]: For program point L91-4(lines 91 95) no Hoare annotation was computed. [2018-11-18 09:07:45,152 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2018-11-18 09:07:45,152 INFO L421 ceAbstractionStarter]: At program point L191-3(lines 191 195) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 09:07:45,152 INFO L425 ceAbstractionStarter]: For program point L191-4(lines 191 195) no Hoare annotation was computed. [2018-11-18 09:07:45,152 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 198) no Hoare annotation was computed. [2018-11-18 09:07:45,153 INFO L425 ceAbstractionStarter]: For program point L175-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 09:07:45,153 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 126 127) no Hoare annotation was computed. [2018-11-18 09:07:45,153 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2018-11-18 09:07:45,153 INFO L421 ceAbstractionStarter]: At program point L176-3(lines 176 180) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 09:07:45,153 INFO L425 ceAbstractionStarter]: For program point L176-4(lines 176 180) no Hoare annotation was computed. [2018-11-18 09:07:45,153 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2018-11-18 09:07:45,153 INFO L421 ceAbstractionStarter]: At program point L161-3(lines 161 165) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 09:07:45,153 INFO L425 ceAbstractionStarter]: For program point L145(lines 145 172) no Hoare annotation was computed. [2018-11-18 09:07:45,153 INFO L425 ceAbstractionStarter]: For program point L112(lines 112 116) no Hoare annotation was computed. [2018-11-18 09:07:45,153 INFO L425 ceAbstractionStarter]: For program point L112-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 09:07:45,153 INFO L425 ceAbstractionStarter]: For program point L112-3(lines 81 208) no Hoare annotation was computed. [2018-11-18 09:07:45,153 INFO L428 ceAbstractionStarter]: At program point __ieee754_hypotfENTRY(lines 81 208) the Hoare annotation is: true [2018-11-18 09:07:45,154 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 171) no Hoare annotation was computed. [2018-11-18 09:07:45,154 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 106) no Hoare annotation was computed. [2018-11-18 09:07:45,154 INFO L421 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 09:07:45,154 INFO L425 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-11-18 09:07:45,154 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 171) no Hoare annotation was computed. [2018-11-18 09:07:45,154 INFO L421 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 09:07:45,154 INFO L425 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-18 09:07:45,154 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-11-18 09:07:45,154 INFO L421 ceAbstractionStarter]: At program point L149-3(lines 149 153) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 09:07:45,154 INFO L425 ceAbstractionStarter]: For program point L149-4(lines 149 153) no Hoare annotation was computed. [2018-11-18 09:07:45,155 INFO L425 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-11-18 09:07:45,155 INFO L425 ceAbstractionStarter]: For program point L166-2(lines 157 171) no Hoare annotation was computed. [2018-11-18 09:07:45,155 INFO L425 ceAbstractionStarter]: For program point L200-1(lines 200 204) no Hoare annotation was computed. [2018-11-18 09:07:45,155 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-11-18 09:07:45,155 INFO L421 ceAbstractionStarter]: At program point L200-3(lines 200 204) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 09:07:45,155 INFO L425 ceAbstractionStarter]: For program point L200-4(lines 200 204) no Hoare annotation was computed. [2018-11-18 09:07:45,155 INFO L421 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 09:07:45,155 INFO L425 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-11-18 09:07:45,155 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-18 09:07:45,155 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-11-18 09:07:45,155 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-18 09:07:45,156 INFO L425 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-11-18 09:07:45,156 INFO L428 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-11-18 09:07:45,156 INFO L425 ceAbstractionStarter]: For program point L19-4(lines 19 23) no Hoare annotation was computed. [2018-11-18 09:07:45,156 INFO L425 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-11-18 09:07:45,156 INFO L428 ceAbstractionStarter]: At program point L73-3(lines 73 77) the Hoare annotation is: true [2018-11-18 09:07:45,156 INFO L425 ceAbstractionStarter]: For program point L73-4(lines 73 77) no Hoare annotation was computed. [2018-11-18 09:07:45,156 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2018-11-18 09:07:45,156 INFO L425 ceAbstractionStarter]: For program point L36-3(lines 36 37) no Hoare annotation was computed. [2018-11-18 09:07:45,156 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-11-18 09:07:45,156 INFO L428 ceAbstractionStarter]: At program point L36-4(lines 36 37) the Hoare annotation is: true [2018-11-18 09:07:45,156 INFO L425 ceAbstractionStarter]: For program point L36-5(lines 36 37) no Hoare annotation was computed. [2018-11-18 09:07:45,156 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-11-18 09:07:45,157 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-11-18 09:07:45,157 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-11-18 09:07:45,157 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-18 09:07:45,157 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-11-18 09:07:45,157 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 59) no Hoare annotation was computed. [2018-11-18 09:07:45,157 INFO L428 ceAbstractionStarter]: At program point L50-3(lines 50 59) the Hoare annotation is: true [2018-11-18 09:07:45,157 INFO L425 ceAbstractionStarter]: For program point L50-4(lines 14 79) no Hoare annotation was computed. [2018-11-18 09:07:45,157 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-11-18 09:07:45,157 INFO L425 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-11-18 09:07:45,157 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-18 09:07:45,157 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-11-18 09:07:45,157 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-11-18 09:07:45,167 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,168 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,168 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,168 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,168 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,168 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,168 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,169 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,169 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,169 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,169 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,170 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,170 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,170 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,170 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,170 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,171 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,171 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,171 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,171 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,171 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,171 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,172 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,172 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,172 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,172 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,172 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,172 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,172 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,172 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,172 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,173 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,173 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 09:07:45,173 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 09:07:45,177 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,178 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,178 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,178 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,178 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,178 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,178 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,179 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,179 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,179 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,179 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,179 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,179 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,181 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,181 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,181 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,185 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:07:45 BoogieIcfgContainer [2018-11-18 09:07:45,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:07:45,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:07:45,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:07:45,187 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:07:45,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:03:53" (3/4) ... [2018-11-18 09:07:45,190 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:07:45,194 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-18 09:07:45,194 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:07:45,195 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:07:45,195 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_hypotf [2018-11-18 09:07:45,195 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-18 09:07:45,199 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2018-11-18 09:07:45,199 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-11-18 09:07:45,199 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 09:07:45,200 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:07:45,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y [2018-11-18 09:07:45,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 09:07:45,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~ha~0_29 : bv32 :: ha == ~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_29)) [2018-11-18 09:07:45,218 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) [2018-11-18 09:07:45,218 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) [2018-11-18 09:07:45,219 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) [2018-11-18 09:07:45,219 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) [2018-11-18 09:07:45,219 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) [2018-11-18 09:07:45,219 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) [2018-11-18 09:07:45,219 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) [2018-11-18 09:07:45,252 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_91f8dcba-7489-4829-88cf-196a5a53782e/bin-2019/utaipan/witness.graphml [2018-11-18 09:07:45,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:07:45,253 INFO L168 Benchmark]: Toolchain (without parser) took 232750.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 949.7 MB in the beginning and 773.2 MB in the end (delta: 176.6 MB). Peak memory consumption was 351.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:45,254 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 09:07:45,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.29 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:45,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:45,254 INFO L168 Benchmark]: Boogie Preprocessor took 38.01 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:45,255 INFO L168 Benchmark]: RCFGBuilder took 1102.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:45,255 INFO L168 Benchmark]: TraceAbstraction took 231208.11 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.0 GB in the beginning and 781.0 MB in the end (delta: 259.6 MB). Peak memory consumption was 326.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:45,255 INFO L168 Benchmark]: Witness Printer took 65.94 ms. Allocated memory is still 1.2 GB. Free memory was 781.0 MB in the beginning and 773.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:45,257 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 261.29 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.01 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1102.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 231208.11 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.0 GB in the beginning and 781.0 MB in the end (delta: 259.6 MB). Peak memory consumption was 326.2 MB. Max. memory is 11.5 GB. * Witness Printer took 65.94 ms. Allocated memory is still 1.2 GB. Free memory was 781.0 MB in the beginning and 773.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 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___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 235]: 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: 85]: Loop Invariant Derived loop invariant: \old(y) == y - InvariantResult [Line: 149]: Loop Invariant [2018-11-18 09:07:45,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant [2018-11-18 09:07:45,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,263 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,263 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,263 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,263 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant [2018-11-18 09:07:45,263 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,263 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,264 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,264 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,264 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,264 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,264 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,264 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 134]: Loop Invariant [2018-11-18 09:07:45,265 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,265 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,265 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,265 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 91]: Loop Invariant [2018-11-18 09:07:45,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 09:07:45,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~ha~0_29 : bv32 :: ha == ~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_29)) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 176]: Loop Invariant [2018-11-18 09:07:45,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant [2018-11-18 09:07:45,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 161]: Loop Invariant [2018-11-18 09:07:45,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,270 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,270 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,270 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,270 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,270 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 09:07:45,270 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 103 locations, 1 error locations. SAFE Result, 231.1s OverallTime, 11 OverallIterations, 1 TraceHistogramMax, 224.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1238 SDtfs, 1791 SDslu, 7487 SDs, 0 SdLazy, 2330 SolverSat, 127 SolverUnsat, 83 SolverUnknown, 0 SolverNotchecked, 215.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 461 GetRequests, 306 SyntacticMatches, 1 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=2, 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: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 199 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 115 PreInvPairs, 226 NumberOfFragments, 307 HoareAnnotationTreeSize, 115 FomulaSimplifications, 165440 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 896 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 403 NumberOfCodeBlocks, 403 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 392 ConstructedInterpolants, 156 QuantifiedInterpolants, 145826 SizeOfPredicates, 50 NumberOfNonLiveVariables, 1222 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...