./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/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 fb906b6dd506785279c111a847f91453236e370a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/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 fb906b6dd506785279c111a847f91453236e370a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 16:23:09,675 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 16:23:09,676 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 16:23:09,684 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 16:23:09,684 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 16:23:09,685 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 16:23:09,686 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 16:23:09,687 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 16:23:09,688 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 16:23:09,689 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 16:23:09,690 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 16:23:09,690 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 16:23:09,691 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 16:23:09,691 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 16:23:09,692 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 16:23:09,692 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 16:23:09,693 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 16:23:09,694 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 16:23:09,695 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 16:23:09,696 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 16:23:09,697 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 16:23:09,698 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 16:23:09,700 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 16:23:09,700 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 16:23:09,700 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 16:23:09,701 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 16:23:09,702 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 16:23:09,702 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 16:23:09,703 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 16:23:09,704 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 16:23:09,704 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 16:23:09,704 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 16:23:09,704 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 16:23:09,705 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 16:23:09,705 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 16:23:09,706 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 16:23:09,706 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 16:23:09,716 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 16:23:09,717 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 16:23:09,717 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 16:23:09,717 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 16:23:09,718 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 16:23:09,718 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 16:23:09,718 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 16:23:09,718 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 16:23:09,718 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 16:23:09,718 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 16:23:09,718 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 16:23:09,718 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 16:23:09,719 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 16:23:09,719 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 16:23:09,719 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 16:23:09,719 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 16:23:09,720 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 16:23:09,720 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 16:23:09,720 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 16:23:09,720 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 16:23:09,720 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 16:23:09,720 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 16:23:09,720 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 16:23:09,720 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 16:23:09,721 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 16:23:09,721 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 16:23:09,721 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 16:23:09,721 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 16:23:09,721 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 16:23:09,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 16:23:09,721 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 16:23:09,722 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 16:23:09,722 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 16:23:09,722 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 16:23:09,722 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 16:23:09,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 16:23:09,722 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 16:23:09,722 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_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/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 -> fb906b6dd506785279c111a847f91453236e370a [2018-11-23 16:23:09,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 16:23:09,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 16:23:09,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 16:23:09,763 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 16:23:09,763 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 16:23:09,764 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1092a_true-unreach-call.c [2018-11-23 16:23:09,814 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/data/b4599d167/435627f574514c76bfd312aa4161e641/FLAGa316d282f [2018-11-23 16:23:10,147 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 16:23:10,148 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/sv-benchmarks/c/float-newlib/float_req_bl_1092a_true-unreach-call.c [2018-11-23 16:23:10,154 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/data/b4599d167/435627f574514c76bfd312aa4161e641/FLAGa316d282f [2018-11-23 16:23:10,576 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/data/b4599d167/435627f574514c76bfd312aa4161e641 [2018-11-23 16:23:10,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 16:23:10,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 16:23:10,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 16:23:10,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 16:23:10,582 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 16:23:10,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:23:10" (1/1) ... [2018-11-23 16:23:10,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e17af78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:10, skipping insertion in model container [2018-11-23 16:23:10,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:23:10" (1/1) ... [2018-11-23 16:23:10,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 16:23:10,605 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 16:23:10,727 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:23:10,729 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 16:23:10,747 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:23:10,765 INFO L195 MainTranslator]: Completed translation [2018-11-23 16:23:10,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:10 WrapperNode [2018-11-23 16:23:10,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 16:23:10,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 16:23:10,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 16:23:10,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 16:23:10,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:10" (1/1) ... [2018-11-23 16:23:10,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:10" (1/1) ... [2018-11-23 16:23:10,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 16:23:10,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 16:23:10,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 16:23:10,783 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 16:23:10,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:10" (1/1) ... [2018-11-23 16:23:10,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:10" (1/1) ... [2018-11-23 16:23:10,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:10" (1/1) ... [2018-11-23 16:23:10,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:10" (1/1) ... [2018-11-23 16:23:10,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:10" (1/1) ... [2018-11-23 16:23:10,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:10" (1/1) ... [2018-11-23 16:23:10,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:10" (1/1) ... [2018-11-23 16:23:10,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 16:23:10,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 16:23:10,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 16:23:10,840 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 16:23:10,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 16:23:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 16:23:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 16:23:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 16:23:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 16:23:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 16:23:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 16:23:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 16:23:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 16:23:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 16:23:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 16:23:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 16:23:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_float [2018-11-23 16:23:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_float [2018-11-23 16:23:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-23 16:23:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-23 16:23:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 16:23:11,084 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 16:23:11,084 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 16:23:11,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:23:11 BoogieIcfgContainer [2018-11-23 16:23:11,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 16:23:11,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 16:23:11,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 16:23:11,088 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 16:23:11,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:23:10" (1/3) ... [2018-11-23 16:23:11,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737f09f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:23:11, skipping insertion in model container [2018-11-23 16:23:11,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:10" (2/3) ... [2018-11-23 16:23:11,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737f09f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:23:11, skipping insertion in model container [2018-11-23 16:23:11,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:23:11" (3/3) ... [2018-11-23 16:23:11,090 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092a_true-unreach-call.c [2018-11-23 16:23:11,096 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 16:23:11,100 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 16:23:11,109 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 16:23:11,128 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 16:23:11,128 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 16:23:11,128 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 16:23:11,128 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 16:23:11,128 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 16:23:11,128 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 16:23:11,129 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 16:23:11,129 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 16:23:11,139 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2018-11-23 16:23:11,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 16:23:11,143 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:23:11,143 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:23:11,145 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:23:11,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:23:11,148 INFO L82 PathProgramCache]: Analyzing trace with hash 263185431, now seen corresponding path program 1 times [2018-11-23 16:23:11,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:23:11,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:23:11,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:23:11,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:23:11,178 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:23:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:23:11,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:23:11,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:23:11,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 16:23:11,238 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:23:11,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 16:23:11,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 16:23:11,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 16:23:11,251 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2018-11-23 16:23:11,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:23:11,267 INFO L93 Difference]: Finished difference Result 78 states and 111 transitions. [2018-11-23 16:23:11,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 16:23:11,268 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-23 16:23:11,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:23:11,274 INFO L225 Difference]: With dead ends: 78 [2018-11-23 16:23:11,275 INFO L226 Difference]: Without dead ends: 39 [2018-11-23 16:23:11,277 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 16:23:11,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-23 16:23:11,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-11-23 16:23:11,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-23 16:23:11,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2018-11-23 16:23:11,303 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 18 [2018-11-23 16:23:11,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:23:11,304 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2018-11-23 16:23:11,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 16:23:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2018-11-23 16:23:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 16:23:11,305 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:23:11,305 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:23:11,305 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:23:11,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:23:11,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1491196875, now seen corresponding path program 1 times [2018-11-23 16:23:11,306 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:23:11,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:23:11,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:23:11,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:23:11,307 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:23:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 16:23:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 16:23:11,383 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=6442450951, |#NULL.offset|=6442450945, |old(#NULL.base)|=6442450951, |old(#NULL.offset)|=6442450945, |old(~huge_ceil~0)|=6442450948.0, ~huge_ceil~0=6442450948.0] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~huge_ceil~0 := 1.0E30; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450951, |old(#NULL.offset)|=6442450945, |old(~huge_ceil~0)|=6442450948.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450951, |old(#NULL.offset)|=6442450945, |old(~huge_ceil~0)|=6442450948.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] RET #114#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] CALL call #t~ret9 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] ~x~0 := ~someUnaryFLOAToperation(0.0); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] CALL call #t~ret6 := ceil_float(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450950.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] ~x := #in~x;havoc ~i0~0;havoc ~j0~0;havoc ~i~0;havoc ~ix~0; VAL [ceil_float_~x=6442450950.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450950.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296);call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~union1;havoc #t~mem0;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [ceil_float_~i0~0=(- 2147483648), ceil_float_~x=6442450950.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450950.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] goto; VAL [ceil_float_~i0~0=(- 2147483648), ceil_float_~x=6442450950.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450950.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647);~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [ceil_float_~i0~0=(- 2147483648), ceil_float_~ix~0=(- 18014398509481985), ceil_float_~j0~0=2147483520, ceil_float_~x=6442450950.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450950.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !(~j0~0 < 23); VAL [ceil_float_~i0~0=(- 2147483648), ceil_float_~ix~0=(- 18014398509481985), ceil_float_~j0~0=2147483520, ceil_float_~x=6442450950.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450950.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !(~ix~0 % 4294967296 < 2139095040);#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [ceil_float_~i0~0=(- 2147483648), ceil_float_~ix~0=(- 18014398509481985), ceil_float_~j0~0=2147483520, ceil_float_~x=6442450950.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450950.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume true; VAL [ceil_float_~i0~0=(- 2147483648), ceil_float_~ix~0=(- 18014398509481985), ceil_float_~j0~0=2147483520, ceil_float_~x=6442450950.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450950.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] RET #118#return; VAL [main_~x~0=6442450950.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret6|=6442450947.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] ~res~0 := #t~ret6;havoc #t~ret6;#t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [main_~res~0=6442450947.0, main_~x~0=6442450950.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~short8|=false, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !#t~short8; VAL [main_~res~0=6442450947.0, main_~x~0=6442450950.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~short8|=false, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !#t~short8;havoc #t~short8;havoc #t~ret7; VAL [main_~res~0=6442450947.0, main_~x~0=6442450950.0, |#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !false; VAL [main_~res~0=6442450947.0, main_~x~0=6442450950.0, |#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450951, #NULL.offset=6442450945, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450948E9, ~huge_ceil~0=6.442450948E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450948E9, ~huge_ceil~0=1.0E30] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450948E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret9 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L76] ~x~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L77] CALL call #t~ret6 := ceil_float(~x~0); VAL [#in~x=6.44245095E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.44245095E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~x=6.44245095E9] [L17] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L18] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] havoc #t~union1; [L19] havoc #t~mem0; [L17] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L17] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.44245095E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~x=6.44245095E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.44245095E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L23-L47] assume !(~j0~0 < 23); VAL [#in~x=6.44245095E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L43-L46] assume !(~ix~0 % 4294967296 < 2139095040); [L44] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.44245095E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L13-L54] ensures true; VAL [#in~x=6.44245095E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L77] RET call #t~ret6 := ceil_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=6.442450947E9, ~huge_ceil~0=1.0E30, ~x~0=6.44245095E9] [L77] ~res~0 := #t~ret6; [L77] havoc #t~ret6; [L80] #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, #t~short8=false, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L80] assume !#t~short8; VAL [#NULL.base=0, #NULL.offset=0, #t~short8=false, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L80-L83] assume !#t~short8; [L80] havoc #t~short8; [L80] havoc #t~ret7; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L81] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450951, #NULL.offset=6442450945, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450948E9, ~huge_ceil~0=6.442450948E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450948E9, ~huge_ceil~0=1.0E30] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450948E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret9 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L76] ~x~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L77] CALL call #t~ret6 := ceil_float(~x~0); VAL [#in~x=6.44245095E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.44245095E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~x=6.44245095E9] [L17] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L18] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] havoc #t~union1; [L19] havoc #t~mem0; [L17] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L17] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.44245095E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~x=6.44245095E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.44245095E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L23-L47] assume !(~j0~0 < 23); VAL [#in~x=6.44245095E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L43-L46] assume !(~ix~0 % 4294967296 < 2139095040); [L44] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.44245095E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L13-L54] ensures true; VAL [#in~x=6.44245095E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L77] RET call #t~ret6 := ceil_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=6.442450947E9, ~huge_ceil~0=1.0E30, ~x~0=6.44245095E9] [L77] ~res~0 := #t~ret6; [L77] havoc #t~ret6; [L80] #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, #t~short8=false, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L80] assume !#t~short8; VAL [#NULL.base=0, #NULL.offset=0, #t~short8=false, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L80-L83] assume !#t~short8; [L80] havoc #t~short8; [L80] havoc #t~ret7; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L81] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450951, #NULL!offset=6442450945, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450948E9, ~huge_ceil~0=6.442450948E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450948E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret9 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L76] ~x~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L77] CALL call #t~ret6 := ceil_float(~x~0); VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~x=6.44245095E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~union1; [L19] havoc #t~mem0; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~x=6.44245095E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L23] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L43] COND TRUE !(~ix~0 % 4294967296 < 2139095040) [L44] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L77] RET call #t~ret6 := ceil_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450947E9, ~huge_ceil~0=1.0E30, ~x~0=6.44245095E9] [L77] ~res~0 := #t~ret6; [L77] havoc #t~ret6; [L80] #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, #t~short8=false, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L80] COND FALSE !(#t~short8) VAL [#NULL!base=0, #NULL!offset=0, #t~short8=false, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L80] COND TRUE !#t~short8 [L80] havoc #t~short8; [L80] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L81] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450951, #NULL!offset=6442450945, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450948E9, ~huge_ceil~0=6.442450948E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450948E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret9 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L76] ~x~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L77] CALL call #t~ret6 := ceil_float(~x~0); VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~x=6.44245095E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~union1; [L19] havoc #t~mem0; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~x=6.44245095E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L23] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L43] COND TRUE !(~ix~0 % 4294967296 < 2139095040) [L44] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L77] RET call #t~ret6 := ceil_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450947E9, ~huge_ceil~0=1.0E30, ~x~0=6.44245095E9] [L77] ~res~0 := #t~ret6; [L77] havoc #t~ret6; [L80] #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, #t~short8=false, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L80] COND FALSE !(#t~short8) VAL [#NULL!base=0, #NULL!offset=0, #t~short8=false, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L80] COND TRUE !#t~short8 [L80] havoc #t~short8; [L80] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L81] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450951, #NULL!offset=6442450945, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450948E9, ~huge_ceil~0=6.442450948E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450948E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret9 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L76] ~x~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L77] CALL call #t~ret6 := ceil_float(~x~0); VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~x=6.44245095E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~union1; [L19] havoc #t~mem0; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~x=6.44245095E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L23] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L43] COND TRUE !(~ix~0 % 4294967296 < 2139095040) [L44] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L77] RET call #t~ret6 := ceil_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450947E9, ~huge_ceil~0=1.0E30, ~x~0=6.44245095E9] [L77] ~res~0 := #t~ret6; [L77] havoc #t~ret6; [L80] #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, #t~short8=false, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L80] COND FALSE !(#t~short8) VAL [#NULL!base=0, #NULL!offset=0, #t~short8=false, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L80] COND TRUE !#t~short8 [L80] havoc #t~short8; [L80] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L81] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450951, #NULL!offset=6442450945, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450948E9, ~huge_ceil~0=6.442450948E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450948E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret9 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L76] ~x~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L77] CALL call #t~ret6 := ceil_float(~x~0); VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~x=6.44245095E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~union1; [L19] havoc #t~mem0; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~x=6.44245095E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L23] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L43] COND TRUE !(~ix~0 % 4294967296 < 2139095040) [L44] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.44245095E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-18014398509481985, ~j0~0=2147483520, ~x=6.44245095E9] [L77] RET call #t~ret6 := ceil_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450947E9, ~huge_ceil~0=1.0E30, ~x~0=6.44245095E9] [L77] ~res~0 := #t~ret6; [L77] havoc #t~ret6; [L80] #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, #t~short8=false, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L80] COND FALSE !(#t~short8) VAL [#NULL!base=0, #NULL!offset=0, #t~short8=false, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L80] COND TRUE !#t~short8 [L80] havoc #t~short8; [L80] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L81] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450947E9, ~x~0=6.44245095E9] [L11] static const float huge_ceil = 1.0e30; VAL [\old(huge_ceil)=6442450948, huge_ceil=1000000000000000000000000000000] [L76] float x = -0.0f; VAL [huge_ceil=1000000000000000000000000000000] [L77] CALL, EXPR ceil_float(x) VAL [\old(x)=6442450950, huge_ceil=1000000000000000000000000000000] [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [\old(x)=6442450950, huge_ceil=1000000000000000000000000000000, x=6442450950] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [\old(x)=6442450950, huge_ceil=1000000000000000000000000000000, i=-18014398509481985, i0=-2147483648, j0=2147483520, x=6442450950] [L23] COND FALSE !(j0 < 23) VAL [\old(x)=6442450950, huge_ceil=1000000000000000000000000000000, i=-18014398509481985, i0=-2147483648, j0=2147483520, x=6442450950] [L43] COND TRUE !((ix) < 0x7f800000L) [L44] return x + x; VAL [\old(x)=6442450950, huge_ceil=1000000000000000000000000000000, i=-18014398509481985, i0=-2147483648, j0=2147483520, x=6442450950] [L77] RET, EXPR ceil_float(x) VAL [ceil_float(x)=6442450947, huge_ceil=1000000000000000000000000000000, x=6442450950] [L77] float res = ceil_float(x); [L80] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_ceil=1000000000000000000000000000000, res=6442450947, res == -0.0f && __signbit_float(res) == 1=0, x=6442450950] [L80] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L81] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000, res=6442450947, x=6442450950] ----- [2018-11-23 16:23:11,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:23:11 BoogieIcfgContainer [2018-11-23 16:23:11,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 16:23:11,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 16:23:11,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 16:23:11,422 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 16:23:11,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:23:11" (3/4) ... [2018-11-23 16:23:11,426 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 16:23:11,426 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 16:23:11,427 INFO L168 Benchmark]: Toolchain (without parser) took 847.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-11-23 16:23:11,428 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:23:11,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.47 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 16:23:11,429 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.80 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:23:11,429 INFO L168 Benchmark]: Boogie Preprocessor took 56.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 945.5 MB in the beginning and 1.2 GB in the end (delta: -206.0 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-11-23 16:23:11,430 INFO L168 Benchmark]: RCFGBuilder took 244.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2018-11-23 16:23:11,430 INFO L168 Benchmark]: TraceAbstraction took 336.89 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: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-23 16:23:11,431 INFO L168 Benchmark]: Witness Printer took 4.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:23:11,434 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.47 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.80 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 945.5 MB in the beginning and 1.2 GB in the end (delta: -206.0 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 244.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 336.89 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: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 81]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of bitwiseAnd at line 21, overapproximation of someUnaryFLOAToperation at line 76, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L11] static const float huge_ceil = 1.0e30; VAL [\old(huge_ceil)=6442450948, huge_ceil=1000000000000000000000000000000] [L76] float x = -0.0f; VAL [huge_ceil=1000000000000000000000000000000] [L77] CALL, EXPR ceil_float(x) VAL [\old(x)=6442450950, huge_ceil=1000000000000000000000000000000] [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [\old(x)=6442450950, huge_ceil=1000000000000000000000000000000, x=6442450950] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [\old(x)=6442450950, huge_ceil=1000000000000000000000000000000, i=-18014398509481985, i0=-2147483648, j0=2147483520, x=6442450950] [L23] COND FALSE !(j0 < 23) VAL [\old(x)=6442450950, huge_ceil=1000000000000000000000000000000, i=-18014398509481985, i0=-2147483648, j0=2147483520, x=6442450950] [L43] COND TRUE !((ix) < 0x7f800000L) [L44] return x + x; VAL [\old(x)=6442450950, huge_ceil=1000000000000000000000000000000, i=-18014398509481985, i0=-2147483648, j0=2147483520, x=6442450950] [L77] RET, EXPR ceil_float(x) VAL [ceil_float(x)=6442450947, huge_ceil=1000000000000000000000000000000, x=6442450950] [L77] float res = ceil_float(x); [L80] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_ceil=1000000000000000000000000000000, res=6442450947, res == -0.0f && __signbit_float(res) == 1=0, x=6442450950] [L80] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L81] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000, res=6442450947, x=6442450950] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 43 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 52 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 16:23:12,931 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 16:23:12,933 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 16:23:12,941 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-11-23 16:23:12,946 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 16:23:12,947 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 16:23:12,948 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 16:23:12,948 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 16:23:12,949 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 16:23:12,949 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 16:23:12,951 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 16:23:12,952 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 16:23:12,953 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 16:23:12,954 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 16:23:12,955 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 16:23:12,956 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 16:23:12,956 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 16:23:12,957 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 16:23:12,957 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 16:23:12,958 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 16:23:12,958 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 16:23:12,959 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 16:23:12,960 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 16:23:12,960 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 16:23:12,960 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 16:23:12,961 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 16:23:12,961 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 16:23:12,961 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 16:23:12,962 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 16:23:12,962 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 16:23:12,972 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 16:23:12,972 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 16:23:12,973 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 16:23:12,973 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 16:23:12,973 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 16:23:12,973 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 16:23:12,974 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 16:23:12,974 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 16:23:12,974 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 16:23:12,974 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 16:23:12,974 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 16:23:12,975 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 16:23:12,975 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 16:23:12,975 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 16:23:12,975 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 16:23:12,975 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 16:23:12,975 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 16:23:12,975 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 16:23:12,975 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 16:23:12,976 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 16:23:12,976 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 16:23:12,976 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 16:23:12,976 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 16:23:12,976 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 16:23:12,976 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 16:23:12,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 16:23:12,977 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 16:23:12,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 16:23:12,977 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 16:23:12,977 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 16:23:12,977 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 16:23:12,977 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 16:23:12,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 16:23:12,978 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 16:23:12,978 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 16:23:12,978 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_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/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 -> fb906b6dd506785279c111a847f91453236e370a [2018-11-23 16:23:13,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 16:23:13,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 16:23:13,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 16:23:13,021 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 16:23:13,022 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 16:23:13,023 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1092a_true-unreach-call.c [2018-11-23 16:23:13,067 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/data/752e2bcf3/d5c22645484a4ecba44a504e1268484e/FLAG5daacf7ee [2018-11-23 16:23:13,397 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 16:23:13,398 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/sv-benchmarks/c/float-newlib/float_req_bl_1092a_true-unreach-call.c [2018-11-23 16:23:13,402 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/data/752e2bcf3/d5c22645484a4ecba44a504e1268484e/FLAG5daacf7ee [2018-11-23 16:23:13,411 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/data/752e2bcf3/d5c22645484a4ecba44a504e1268484e [2018-11-23 16:23:13,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 16:23:13,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 16:23:13,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 16:23:13,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 16:23:13,420 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 16:23:13,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:23:13" (1/1) ... [2018-11-23 16:23:13,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567d81a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:13, skipping insertion in model container [2018-11-23 16:23:13,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:23:13" (1/1) ... [2018-11-23 16:23:13,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 16:23:13,443 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 16:23:13,571 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:23:13,574 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 16:23:13,594 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:23:13,612 INFO L195 MainTranslator]: Completed translation [2018-11-23 16:23:13,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:13 WrapperNode [2018-11-23 16:23:13,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 16:23:13,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 16:23:13,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 16:23:13,613 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 16:23:13,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:13" (1/1) ... [2018-11-23 16:23:13,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:13" (1/1) ... [2018-11-23 16:23:13,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 16:23:13,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 16:23:13,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 16:23:13,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 16:23:13,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:13" (1/1) ... [2018-11-23 16:23:13,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:13" (1/1) ... [2018-11-23 16:23:13,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:13" (1/1) ... [2018-11-23 16:23:13,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:13" (1/1) ... [2018-11-23 16:23:13,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:13" (1/1) ... [2018-11-23 16:23:13,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:13" (1/1) ... [2018-11-23 16:23:13,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:13" (1/1) ... [2018-11-23 16:23:13,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 16:23:13,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 16:23:13,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 16:23:13,700 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 16:23:13,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 16:23:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 16:23:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 16:23:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 16:23:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 16:23:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 16:23:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 16:23:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 16:23:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 16:23:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 16:23:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_float [2018-11-23 16:23:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_float [2018-11-23 16:23:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 16:23:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-23 16:23:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-23 16:23:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 16:23:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 16:23:14,039 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 16:23:14,198 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 16:23:14,198 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 16:23:14,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:23:14 BoogieIcfgContainer [2018-11-23 16:23:14,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 16:23:14,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 16:23:14,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 16:23:14,202 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 16:23:14,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:23:13" (1/3) ... [2018-11-23 16:23:14,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2a89a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:23:14, skipping insertion in model container [2018-11-23 16:23:14,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:23:13" (2/3) ... [2018-11-23 16:23:14,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2a89a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:23:14, skipping insertion in model container [2018-11-23 16:23:14,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:23:14" (3/3) ... [2018-11-23 16:23:14,204 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092a_true-unreach-call.c [2018-11-23 16:23:14,210 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 16:23:14,216 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 16:23:14,225 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 16:23:14,245 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 16:23:14,245 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 16:23:14,245 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 16:23:14,245 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 16:23:14,245 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 16:23:14,246 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 16:23:14,246 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 16:23:14,246 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 16:23:14,246 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 16:23:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2018-11-23 16:23:14,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 16:23:14,262 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:23:14,263 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:23:14,264 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:23:14,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:23:14,268 INFO L82 PathProgramCache]: Analyzing trace with hash 263185431, now seen corresponding path program 1 times [2018-11-23 16:23:14,270 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 16:23:14,271 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-23 16:23:14,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:23:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:23:14,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:23:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:23:14,340 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 16:23:14,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:23:14,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 16:23:14,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 16:23:14,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 16:23:14,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 16:23:14,360 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2018-11-23 16:23:14,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:23:14,375 INFO L93 Difference]: Finished difference Result 78 states and 111 transitions. [2018-11-23 16:23:14,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 16:23:14,376 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-23 16:23:14,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:23:14,381 INFO L225 Difference]: With dead ends: 78 [2018-11-23 16:23:14,381 INFO L226 Difference]: Without dead ends: 39 [2018-11-23 16:23:14,384 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 16:23:14,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-23 16:23:14,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-11-23 16:23:14,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-23 16:23:14,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2018-11-23 16:23:14,413 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 18 [2018-11-23 16:23:14,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:23:14,414 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2018-11-23 16:23:14,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 16:23:14,414 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2018-11-23 16:23:14,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 16:23:14,415 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:23:14,415 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:23:14,415 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:23:14,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:23:14,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1491196875, now seen corresponding path program 1 times [2018-11-23 16:23:14,416 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 16:23:14,416 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-23 16:23:14,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:23:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:23:14,468 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:23:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:23:14,605 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 16:23:14,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:23:14,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 16:23:14,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 16:23:14,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 16:23:14,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 16:23:14,614 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand 7 states. [2018-11-23 16:23:15,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:23:15,588 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2018-11-23 16:23:15,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 16:23:15,589 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-23 16:23:15,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:23:15,591 INFO L225 Difference]: With dead ends: 60 [2018-11-23 16:23:15,591 INFO L226 Difference]: Without dead ends: 44 [2018-11-23 16:23:15,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 16:23:15,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-23 16:23:15,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 38. [2018-11-23 16:23:15,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-23 16:23:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2018-11-23 16:23:15,599 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 19 [2018-11-23 16:23:15,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:23:15,600 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2018-11-23 16:23:15,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 16:23:15,600 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2018-11-23 16:23:15,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 16:23:15,600 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:23:15,601 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:23:15,601 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:23:15,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:23:15,601 INFO L82 PathProgramCache]: Analyzing trace with hash 664765980, now seen corresponding path program 1 times [2018-11-23 16:23:15,601 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 16:23:15,601 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-23 16:23:15,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:23:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:23:15,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:23:15,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:23:15,713 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 16:23:15,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:23:15,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 16:23:15,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 16:23:15,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 16:23:15,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 16:23:15,721 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand 7 states. [2018-11-23 16:23:16,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:23:16,499 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions. [2018-11-23 16:23:16,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 16:23:16,500 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-23 16:23:16,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:23:16,501 INFO L225 Difference]: With dead ends: 67 [2018-11-23 16:23:16,501 INFO L226 Difference]: Without dead ends: 39 [2018-11-23 16:23:16,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2018-11-23 16:23:16,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-23 16:23:16,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 34. [2018-11-23 16:23:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 16:23:16,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-11-23 16:23:16,506 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 20 [2018-11-23 16:23:16,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:23:16,506 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-11-23 16:23:16,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 16:23:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-11-23 16:23:16,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 16:23:16,507 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:23:16,507 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:23:16,507 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:23:16,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:23:16,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1845640621, now seen corresponding path program 1 times [2018-11-23 16:23:16,508 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 16:23:16,508 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-23 16:23:16,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:23:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:23:16,555 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:23:17,615 WARN L180 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-23 16:23:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:23:17,620 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 16:23:17,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:23:17,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 16:23:17,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 16:23:17,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 16:23:17,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 16:23:17,631 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 6 states. [2018-11-23 16:23:18,443 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-23 16:23:18,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:23:18,800 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2018-11-23 16:23:18,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 16:23:18,804 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-11-23 16:23:18,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:23:18,804 INFO L225 Difference]: With dead ends: 52 [2018-11-23 16:23:18,804 INFO L226 Difference]: Without dead ends: 34 [2018-11-23 16:23:18,805 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 16:23:18,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-23 16:23:18,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-23 16:23:18,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 16:23:18,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2018-11-23 16:23:18,809 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 23 [2018-11-23 16:23:18,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:23:18,809 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2018-11-23 16:23:18,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 16:23:18,809 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-11-23 16:23:18,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 16:23:18,810 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:23:18,810 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:23:18,810 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:23:18,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:23:18,811 INFO L82 PathProgramCache]: Analyzing trace with hash -530743544, now seen corresponding path program 1 times [2018-11-23 16:23:18,811 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 16:23:18,811 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-23 16:23:18,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:23:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:23:18,860 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:23:18,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:23:18,892 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 16:23:18,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:23:18,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 16:23:18,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 16:23:18,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 16:23:18,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 16:23:18,901 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 7 states. [2018-11-23 16:23:18,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:23:18,998 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2018-11-23 16:23:18,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 16:23:18,998 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-11-23 16:23:18,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:23:18,999 INFO L225 Difference]: With dead ends: 44 [2018-11-23 16:23:18,999 INFO L226 Difference]: Without dead ends: 41 [2018-11-23 16:23:18,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 16:23:18,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-23 16:23:19,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-23 16:23:19,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-23 16:23:19,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-11-23 16:23:19,004 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 24 [2018-11-23 16:23:19,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:23:19,005 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-11-23 16:23:19,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 16:23:19,005 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-11-23 16:23:19,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 16:23:19,005 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:23:19,005 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:23:19,005 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:23:19,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:23:19,006 INFO L82 PathProgramCache]: Analyzing trace with hash 943724535, now seen corresponding path program 1 times [2018-11-23 16:23:19,006 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 16:23:19,006 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-23 16:23:19,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:23:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:23:19,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:23:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:23:19,120 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 16:23:19,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:23:19,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 16:23:19,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 16:23:19,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 16:23:19,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 16:23:19,134 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 6 states. [2018-11-23 16:23:19,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:23:19,394 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2018-11-23 16:23:19,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 16:23:19,395 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-11-23 16:23:19,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:23:19,395 INFO L225 Difference]: With dead ends: 57 [2018-11-23 16:23:19,396 INFO L226 Difference]: Without dead ends: 33 [2018-11-23 16:23:19,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-23 16:23:19,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-23 16:23:19,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-23 16:23:19,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-23 16:23:19,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 32 transitions. [2018-11-23 16:23:19,399 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 32 transitions. Word has length 25 [2018-11-23 16:23:19,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:23:19,399 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 32 transitions. [2018-11-23 16:23:19,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 16:23:19,399 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2018-11-23 16:23:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 16:23:19,400 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:23:19,400 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:23:19,400 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:23:19,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:23:19,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1511102072, now seen corresponding path program 1 times [2018-11-23 16:23:19,400 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 16:23:19,400 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-23 16:23:19,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:23:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:23:19,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:23:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:23:19,623 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 16:23:19,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:23:19,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-23 16:23:19,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 16:23:19,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 16:23:19,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-23 16:23:19,633 INFO L87 Difference]: Start difference. First operand 33 states and 32 transitions. Second operand 12 states. [2018-11-23 16:23:19,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:23:19,901 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2018-11-23 16:23:19,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 16:23:19,902 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 32 [2018-11-23 16:23:19,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:23:19,902 INFO L225 Difference]: With dead ends: 33 [2018-11-23 16:23:19,902 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 16:23:19,903 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2018-11-23 16:23:19,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 16:23:19,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 16:23:19,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 16:23:19,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 16:23:19,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-11-23 16:23:19,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:23:19,904 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 16:23:19,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 16:23:19,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 16:23:19,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 16:23:19,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 16:23:20,039 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:23:20,040 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 16:23:20,040 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:23:20,040 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:23:20,040 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_ceil~0) [2018-11-23 16:23:20,040 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 16:23:20,040 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:23:20,040 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 81) no Hoare annotation was computed. [2018-11-23 16:23:20,040 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 68 86) the Hoare annotation is: true [2018-11-23 16:23:20,040 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 68 86) no Hoare annotation was computed. [2018-11-23 16:23:20,040 INFO L448 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-23 16:23:20,040 INFO L448 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2018-11-23 16:23:20,041 INFO L444 ceAbstractionStarter]: At program point L80-1(line 80) the Hoare annotation is: (or (and |main_#t~short8| (= main_~x~0 (fp.neg (_ +zero 8 24))) (= (fp (_ bv1 1) (_ bv0 8) (_ bv0 23)) main_~res~0)) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_ceil~0))) [2018-11-23 16:23:20,041 INFO L448 ceAbstractionStarter]: For program point L80-2(line 80) no Hoare annotation was computed. [2018-11-23 16:23:20,041 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (= main_~x~0 (fp.neg (_ +zero 8 24))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_ceil~0))) [2018-11-23 16:23:20,041 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 68 86) no Hoare annotation was computed. [2018-11-23 16:23:20,041 INFO L448 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-11-23 16:23:20,041 INFO L448 ceAbstractionStarter]: For program point L80-4(lines 80 83) no Hoare annotation was computed. [2018-11-23 16:23:20,041 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 47) no Hoare annotation was computed. [2018-11-23 16:23:20,041 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 52) no Hoare annotation was computed. [2018-11-23 16:23:20,041 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 13 54) no Hoare annotation was computed. [2018-11-23 16:23:20,041 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 52) no Hoare annotation was computed. [2018-11-23 16:23:20,041 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 40) no Hoare annotation was computed. [2018-11-23 16:23:20,041 INFO L451 ceAbstractionStarter]: At program point ceil_floatENTRY(lines 13 54) the Hoare annotation is: true [2018-11-23 16:23:20,041 INFO L448 ceAbstractionStarter]: For program point L28(lines 28 30) no Hoare annotation was computed. [2018-11-23 16:23:20,042 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 41) no Hoare annotation was computed. [2018-11-23 16:23:20,042 INFO L448 ceAbstractionStarter]: For program point ceil_floatFINAL(lines 13 54) no Hoare annotation was computed. [2018-11-23 16:23:20,042 INFO L448 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-11-23 16:23:20,042 INFO L444 ceAbstractionStarter]: At program point L16-2(lines 16 20) the Hoare annotation is: (or (= |ceil_float_#in~x| ceil_float_~x) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_ceil~0))) [2018-11-23 16:23:20,042 INFO L448 ceAbstractionStarter]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2018-11-23 16:23:20,042 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-11-23 16:23:20,042 INFO L448 ceAbstractionStarter]: For program point ceil_floatEXIT(lines 13 54) no Hoare annotation was computed. [2018-11-23 16:23:20,042 INFO L448 ceAbstractionStarter]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2018-11-23 16:23:20,042 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2018-11-23 16:23:20,042 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-11-23 16:23:20,042 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 30) no Hoare annotation was computed. [2018-11-23 16:23:20,042 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 46) no Hoare annotation was computed. [2018-11-23 16:23:20,042 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2018-11-23 16:23:20,042 INFO L444 ceAbstractionStarter]: At program point L59-2(lines 59 63) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_ceil~0)) (= |__signbit_float_#in~x| __signbit_float_~x)) [2018-11-23 16:23:20,042 INFO L448 ceAbstractionStarter]: For program point L59-3(lines 59 63) no Hoare annotation was computed. [2018-11-23 16:23:20,043 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 56 66) no Hoare annotation was computed. [2018-11-23 16:23:20,043 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 56 66) the Hoare annotation is: true [2018-11-23 16:23:20,043 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 56 66) no Hoare annotation was computed. [2018-11-23 16:23:20,047 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 16:23:20,048 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 16:23:20,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 16:23:20,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 16:23:20,051 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 16:23:20,051 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 16:23:20,052 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 16:23:20,052 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 16:23:20,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:23:20 BoogieIcfgContainer [2018-11-23 16:23:20,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 16:23:20,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 16:23:20,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 16:23:20,054 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 16:23:20,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:23:14" (3/4) ... [2018-11-23 16:23:20,056 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 16:23:20,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 16:23:20,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 16:23:20,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ceil_float [2018-11-23 16:23:20,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-23 16:23:20,063 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-23 16:23:20,064 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 16:23:20,064 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 16:23:20,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil) [2018-11-23 16:23:20,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil) || \old(x) == x [2018-11-23 16:23:20,099 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c65aa1bc-e800-469a-b3c8-5ad4e74738c6/bin-2019/utaipan/witness.graphml [2018-11-23 16:23:20,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 16:23:20,100 INFO L168 Benchmark]: Toolchain (without parser) took 6685.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 950.8 MB in the beginning and 853.8 MB in the end (delta: 97.0 MB). Peak memory consumption was 243.3 MB. Max. memory is 11.5 GB. [2018-11-23 16:23:20,101 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:23:20,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.72 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 16:23:20,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.66 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:23:20,101 INFO L168 Benchmark]: Boogie Preprocessor took 69.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -199.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-11-23 16:23:20,102 INFO L168 Benchmark]: RCFGBuilder took 498.59 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-23 16:23:20,102 INFO L168 Benchmark]: TraceAbstraction took 5853.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 853.8 MB in the end (delta: 255.7 MB). Peak memory consumption was 255.7 MB. Max. memory is 11.5 GB. [2018-11-23 16:23:20,102 INFO L168 Benchmark]: Witness Printer took 45.95 ms. Allocated memory is still 1.2 GB. Free memory is still 853.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:23:20,103 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 196.72 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.66 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -199.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 498.59 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5853.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 853.8 MB in the end (delta: 255.7 MB). Peak memory consumption was 255.7 MB. Max. memory is 11.5 GB. * Witness Printer took 45.95 ms. Allocated memory is still 1.2 GB. Free memory is still 853.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 81]: 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: 59]: Loop Invariant [2018-11-23 16:23:20,107 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 16:23:20,107 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 16:23:20,107 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 16:23:20,107 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil) || \old(x) == x - InvariantResult [Line: 16]: Loop Invariant [2018-11-23 16:23:20,107 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 16:23:20,107 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 16:23:20,108 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 16:23:20,108 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \old(x) == x || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 43 locations, 1 error locations. SAFE Result, 5.8s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 229 SDtfs, 226 SDslu, 728 SDs, 0 SdLazy, 330 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 20 PreInvPairs, 23 NumberOfFragments, 70 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 76 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 154 ConstructedInterpolants, 17 QuantifiedInterpolants, 20017 SizeOfPredicates, 25 NumberOfNonLiveVariables, 425 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...