./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/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 fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 ......................................................................................................................................................................................................................................................................................................................................................... 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_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/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 fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:37:14,333 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:37:14,334 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:37:14,342 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:37:14,342 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:37:14,343 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:37:14,343 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:37:14,344 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:37:14,345 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:37:14,346 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:37:14,347 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:37:14,347 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:37:14,348 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:37:14,348 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:37:14,349 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:37:14,350 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:37:14,350 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:37:14,352 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:37:14,353 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:37:14,354 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:37:14,355 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:37:14,356 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:37:14,357 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:37:14,358 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:37:14,358 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:37:14,358 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:37:14,359 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:37:14,360 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:37:14,360 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:37:14,361 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:37:14,361 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:37:14,362 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:37:14,362 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:37:14,362 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:37:14,363 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:37:14,363 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:37:14,364 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:37:14,374 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:37:14,374 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:37:14,375 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:37:14,375 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:37:14,375 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:37:14,375 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:37:14,375 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:37:14,376 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:37:14,376 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:37:14,376 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:37:14,376 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:37:14,376 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:37:14,376 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:37:14,377 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:37:14,377 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:37:14,377 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:37:14,377 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:37:14,377 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:37:14,378 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:37:14,378 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:37:14,378 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:37:14,378 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:37:14,378 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:37:14,378 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:37:14,379 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:37:14,379 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:37:14,379 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:37:14,379 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:37:14,379 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:37:14,379 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:37:14,379 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:37:14,380 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:37:14,380 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:37:14,380 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:37:14,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:37:14,380 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:37:14,380 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_6715ea7a-f748-4e8d-9398-873bac253261/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 -> fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 [2018-12-09 19:37:14,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:37:14,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:37:14,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:37:14,413 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:37:14,413 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:37:14,413 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-12-09 19:37:14,446 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/data/cc47c1db0/d1f7cdfdefa847f5a3e80c993494e3d0/FLAG88b1e627c [2018-12-09 19:37:14,849 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:37:14,850 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-12-09 19:37:14,854 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/data/cc47c1db0/d1f7cdfdefa847f5a3e80c993494e3d0/FLAG88b1e627c [2018-12-09 19:37:14,862 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/data/cc47c1db0/d1f7cdfdefa847f5a3e80c993494e3d0 [2018-12-09 19:37:14,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:37:14,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:37:14,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:37:14,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:37:14,867 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:37:14,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:37:14" (1/1) ... [2018-12-09 19:37:14,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf0f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:14, skipping insertion in model container [2018-12-09 19:37:14,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:37:14" (1/1) ... [2018-12-09 19:37:14,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:37:14,889 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:37:14,998 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:37:15,002 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:37:15,024 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:37:15,068 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:37:15,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:15 WrapperNode [2018-12-09 19:37:15,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:37:15,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:37:15,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:37:15,069 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:37:15,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:15" (1/1) ... [2018-12-09 19:37:15,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:15" (1/1) ... [2018-12-09 19:37:15,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:37:15,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:37:15,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:37:15,085 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:37:15,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:15" (1/1) ... [2018-12-09 19:37:15,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:15" (1/1) ... [2018-12-09 19:37:15,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:15" (1/1) ... [2018-12-09 19:37:15,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:15" (1/1) ... [2018-12-09 19:37:15,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:15" (1/1) ... [2018-12-09 19:37:15,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:15" (1/1) ... [2018-12-09 19:37:15,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:15" (1/1) ... [2018-12-09 19:37:15,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:37:15,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:37:15,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:37:15,108 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:37:15,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:37:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:37:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:37:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 19:37:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 19:37:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:37:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:37:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 19:37:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-09 19:37:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-09 19:37:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:37:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:37:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:37:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 19:37:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-09 19:37:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-09 19:37:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-09 19:37:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-12-09 19:37:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-12-09 19:37:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 19:37:15,328 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:37:15,328 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 19:37:15,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:37:15 BoogieIcfgContainer [2018-12-09 19:37:15,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:37:15,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:37:15,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:37:15,331 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:37:15,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:37:14" (1/3) ... [2018-12-09 19:37:15,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bf54bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:37:15, skipping insertion in model container [2018-12-09 19:37:15,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:15" (2/3) ... [2018-12-09 19:37:15,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bf54bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:37:15, skipping insertion in model container [2018-12-09 19:37:15,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:37:15" (3/3) ... [2018-12-09 19:37:15,333 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620b_true-unreach-call.c [2018-12-09 19:37:15,338 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:37:15,343 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:37:15,351 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:37:15,369 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:37:15,369 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:37:15,370 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:37:15,370 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:37:15,370 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:37:15,370 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:37:15,370 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:37:15,370 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:37:15,380 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-12-09 19:37:15,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 19:37:15,384 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:15,385 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:37:15,386 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:15,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:15,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1775699146, now seen corresponding path program 1 times [2018-12-09 19:37:15,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:37:15,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:15,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:15,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:15,419 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:37:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:37:15,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:37:15,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:37:15,492 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:37:15,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:37:15,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:37:15,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:37:15,504 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-12-09 19:37:15,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:37:15,519 INFO L93 Difference]: Finished difference Result 100 states and 142 transitions. [2018-12-09 19:37:15,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:37:15,520 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-09 19:37:15,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:37:15,525 INFO L225 Difference]: With dead ends: 100 [2018-12-09 19:37:15,525 INFO L226 Difference]: Without dead ends: 50 [2018-12-09 19:37:15,528 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:37:15,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-12-09 19:37:15,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-12-09 19:37:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-12-09 19:37:15,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2018-12-09 19:37:15,553 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 18 [2018-12-09 19:37:15,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:37:15,553 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2018-12-09 19:37:15,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:37:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2018-12-09 19:37:15,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 19:37:15,554 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:15,554 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:37:15,554 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:15,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:15,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1046652015, now seen corresponding path program 1 times [2018-12-09 19:37:15,554 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:37:15,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:15,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:15,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:15,555 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:37:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:37:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:37:15,624 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 19:37:15,641 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450963 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-12-09 19:37:15,641 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-12-09 19:37:15,642 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450966 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-12-09 19:37:15,642 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450965 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-12-09 19:37:15,642 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-12-09 19:37:15,642 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450957 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-12-09 19:37:15,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:37:15 BoogieIcfgContainer [2018-12-09 19:37:15,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:37:15,652 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:37:15,652 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:37:15,653 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:37:15,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:37:15" (3/4) ... [2018-12-09 19:37:15,656 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 19:37:15,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:37:15,656 INFO L168 Benchmark]: Toolchain (without parser) took 792.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 962.4 MB in the beginning and 1.0 GB in the end (delta: -79.0 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:37:15,657 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:37:15,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:37:15,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.35 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. [2018-12-09 19:37:15,659 INFO L168 Benchmark]: Boogie Preprocessor took 23.24 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. [2018-12-09 19:37:15,659 INFO L168 Benchmark]: RCFGBuilder took 220.55 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:37:15,659 INFO L168 Benchmark]: TraceAbstraction took 323.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:37:15,660 INFO L168 Benchmark]: Witness Printer took 3.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:37:15,662 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 203.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.35 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. * Boogie Preprocessor took 23.24 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. * RCFGBuilder took 220.55 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 323.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450963 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450966 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450965 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450957 could not be translated for associated CType ARRAY#_4_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 142]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 62, overapproximation of someUnaryFLOAToperation at line 137, overapproximation of someBinaryArithmeticFLOAToperation at line 65. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=6442450960, \old(huge_floor)=6442450954, \old(one_atan)=6442450945, \old(pi)=6442450955, \old(pi_o_2)=6442450946, \old(pi_o_4)=6442450950, aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L137] float x = -0.0f; VAL [aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L138] CALL, EXPR atan_float(x) VAL [\old(x)=6442450953, aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L54] float w, s1, s2, z; [L55] __int32_t ix, hx, id; VAL [\old(x)=6442450953, aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=6442450953] [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (hx) = gf_u.word [L62] ix = hx & 0x7fffffff VAL [\old(x)=6442450953, aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=6442450953] [L63] COND TRUE ix >= 0x50800000 VAL [\old(x)=6442450953, aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=6442450953] [L64] COND TRUE ((ix) > 0x7f800000L) [L65] return x + x; VAL [\old(x)=6442450953, aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=6442450953] [L138] RET, EXPR atan_float(x) VAL [aT_atan={6442450962:0}, atan_float(x)=6442450958, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=6442450953] [L138] float res = atan_float(x); [L141] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450958, res == -0.0f && __signbit_float(res) == 1=0, x=6442450953] [L141] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L142] __VERIFIER_error() VAL [aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450958, x=6442450953] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 54 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 65 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=54occurred 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 0.1.23-635dfa2 [2018-12-09 19:37:16,931 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:37:16,932 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:37:16,939 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:37:16,939 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:37:16,939 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:37:16,940 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:37:16,941 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:37:16,942 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:37:16,942 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:37:16,942 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:37:16,943 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:37:16,943 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:37:16,943 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:37:16,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:37:16,944 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:37:16,945 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:37:16,946 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:37:16,947 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:37:16,947 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:37:16,948 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:37:16,948 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:37:16,950 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:37:16,950 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:37:16,950 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:37:16,950 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:37:16,951 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:37:16,951 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:37:16,952 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:37:16,952 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:37:16,952 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:37:16,953 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:37:16,953 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:37:16,953 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:37:16,954 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:37:16,954 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:37:16,954 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 19:37:16,961 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:37:16,962 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:37:16,962 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:37:16,962 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:37:16,962 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:37:16,962 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:37:16,963 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:37:16,963 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:37:16,963 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:37:16,963 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:37:16,963 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:37:16,963 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:37:16,963 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:37:16,963 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:37:16,964 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:37:16,964 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:37:16,964 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:37:16,964 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 19:37:16,964 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 19:37:16,964 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:37:16,964 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:37:16,964 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:37:16,964 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:37:16,964 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:37:16,964 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:37:16,965 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:37:16,965 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:37:16,965 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:37:16,965 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:37:16,965 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:37:16,965 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:37:16,965 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 19:37:16,965 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:37:16,965 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 19:37:16,965 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 19:37:16,965 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_6715ea7a-f748-4e8d-9398-873bac253261/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 -> fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 [2018-12-09 19:37:16,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:37:16,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:37:16,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:37:16,993 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:37:16,993 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:37:16,994 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-12-09 19:37:17,038 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/data/9bedd0286/f1fdf131b0f24ae5bb0103f96aafe134/FLAG666831474 [2018-12-09 19:37:17,407 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:37:17,408 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-12-09 19:37:17,412 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/data/9bedd0286/f1fdf131b0f24ae5bb0103f96aafe134/FLAG666831474 [2018-12-09 19:37:17,802 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/data/9bedd0286/f1fdf131b0f24ae5bb0103f96aafe134 [2018-12-09 19:37:17,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:37:17,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:37:17,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:37:17,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:37:17,808 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:37:17,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:37:17" (1/1) ... [2018-12-09 19:37:17,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e59ee34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:17, skipping insertion in model container [2018-12-09 19:37:17,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:37:17" (1/1) ... [2018-12-09 19:37:17,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:37:17,832 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:37:17,955 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:37:17,961 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:37:17,993 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:37:18,011 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:37:18,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:18 WrapperNode [2018-12-09 19:37:18,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:37:18,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:37:18,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:37:18,013 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:37:18,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:18" (1/1) ... [2018-12-09 19:37:18,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:18" (1/1) ... [2018-12-09 19:37:18,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:37:18,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:37:18,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:37:18,030 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:37:18,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:18" (1/1) ... [2018-12-09 19:37:18,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:18" (1/1) ... [2018-12-09 19:37:18,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:18" (1/1) ... [2018-12-09 19:37:18,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:18" (1/1) ... [2018-12-09 19:37:18,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:18" (1/1) ... [2018-12-09 19:37:18,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:18" (1/1) ... [2018-12-09 19:37:18,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:18" (1/1) ... [2018-12-09 19:37:18,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:37:18,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:37:18,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:37:18,085 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:37:18,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:37:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-09 19:37:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:37:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:37:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 19:37:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:37:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:37:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-09 19:37:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-09 19:37:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:37:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 19:37:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:37:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:37:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 19:37:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-09 19:37:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-09 19:37:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-12-09 19:37:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-12-09 19:37:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 19:37:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 19:37:18,260 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:37:18,286 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:37:18,301 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:37:20,006 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:37:26,293 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:37:26,294 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 19:37:26,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:37:26 BoogieIcfgContainer [2018-12-09 19:37:26,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:37:26,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:37:26,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:37:26,297 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:37:26,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:37:17" (1/3) ... [2018-12-09 19:37:26,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f1b07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:37:26, skipping insertion in model container [2018-12-09 19:37:26,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:18" (2/3) ... [2018-12-09 19:37:26,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f1b07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:37:26, skipping insertion in model container [2018-12-09 19:37:26,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:37:26" (3/3) ... [2018-12-09 19:37:26,299 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620b_true-unreach-call.c [2018-12-09 19:37:26,305 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:37:26,310 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:37:26,319 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:37:26,335 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 19:37:26,335 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:37:26,335 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:37:26,336 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:37:26,336 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:37:26,336 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:37:26,336 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:37:26,336 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:37:26,336 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:37:26,345 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-12-09 19:37:26,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 19:37:26,349 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:26,349 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:37:26,350 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:26,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:26,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1775699146, now seen corresponding path program 1 times [2018-12-09 19:37:26,356 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 19:37:26,356 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 19:37:26,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:26,475 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:37:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:37:26,486 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:37:26,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:37:26,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:37:26,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:37:26,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:37:26,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:37:26,507 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-12-09 19:37:26,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:37:26,522 INFO L93 Difference]: Finished difference Result 100 states and 142 transitions. [2018-12-09 19:37:26,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:37:26,522 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-09 19:37:26,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:37:26,528 INFO L225 Difference]: With dead ends: 100 [2018-12-09 19:37:26,528 INFO L226 Difference]: Without dead ends: 50 [2018-12-09 19:37:26,530 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 [2018-12-09 19:37:26,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-12-09 19:37:26,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-12-09 19:37:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-12-09 19:37:26,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2018-12-09 19:37:26,552 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 18 [2018-12-09 19:37:26,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:37:26,553 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2018-12-09 19:37:26,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:37:26,553 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2018-12-09 19:37:26,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 19:37:26,553 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:26,553 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:37:26,553 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:26,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:26,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1046652015, now seen corresponding path program 1 times [2018-12-09 19:37:26,554 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 19:37:26,554 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-09 19:37:26,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:26,655 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:37:26,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:37:26,740 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:37:26,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:37:26,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:37:26,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:37:26,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:37:26,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:37:26,751 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand 7 states. [2018-12-09 19:37:36,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:37:36,453 INFO L93 Difference]: Finished difference Result 68 states and 79 transitions. [2018-12-09 19:37:36,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:37:36,500 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-09 19:37:36,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:37:36,502 INFO L225 Difference]: With dead ends: 68 [2018-12-09 19:37:36,502 INFO L226 Difference]: Without dead ends: 51 [2018-12-09 19:37:36,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 19:37:36,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-09 19:37:36,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2018-12-09 19:37:36,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-09 19:37:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2018-12-09 19:37:36,507 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 19 [2018-12-09 19:37:36,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:37:36,508 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2018-12-09 19:37:36,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:37:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2018-12-09 19:37:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 19:37:36,508 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:36,508 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:37:36,509 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:36,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:36,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1727555058, now seen corresponding path program 1 times [2018-12-09 19:37:36,509 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 19:37:36,509 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 19:37:36,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:36,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:37:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:37:36,655 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:37:36,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:37:36,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:37:36,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:37:36,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:37:36,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:37:36,664 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand 7 states. [2018-12-09 19:37:45,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:37:45,480 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2018-12-09 19:37:45,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:37:45,481 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-09 19:37:45,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:37:45,482 INFO L225 Difference]: With dead ends: 56 [2018-12-09 19:37:45,482 INFO L226 Difference]: Without dead ends: 53 [2018-12-09 19:37:45,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:37:45,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-09 19:37:45,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2018-12-09 19:37:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-09 19:37:45,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2018-12-09 19:37:45,486 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 21 [2018-12-09 19:37:45,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:37:45,486 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2018-12-09 19:37:45,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:37:45,487 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2018-12-09 19:37:45,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 19:37:45,487 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:45,487 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:37:45,487 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:45,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:45,488 INFO L82 PathProgramCache]: Analyzing trace with hash -225183980, now seen corresponding path program 1 times [2018-12-09 19:37:45,488 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 19:37:45,488 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/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 [2018-12-09 19:37:45,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:46,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:37:46,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:37:46,495 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:37:46,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:37:46,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:37:46,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:37:46,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:37:46,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:37:46,518 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand 7 states. [2018-12-09 19:37:56,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:37:56,616 INFO L93 Difference]: Finished difference Result 74 states and 84 transitions. [2018-12-09 19:37:56,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 19:37:56,662 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-09 19:37:56,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:37:56,663 INFO L225 Difference]: With dead ends: 74 [2018-12-09 19:37:56,663 INFO L226 Difference]: Without dead ends: 52 [2018-12-09 19:37:56,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 19:37:56,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-09 19:37:56,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2018-12-09 19:37:56,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-09 19:37:56,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-12-09 19:37:56,667 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 23 [2018-12-09 19:37:56,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:37:56,667 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-12-09 19:37:56,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:37:56,668 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-12-09 19:37:56,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 19:37:56,668 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:56,668 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:37:56,669 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:56,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:56,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1139373451, now seen corresponding path program 1 times [2018-12-09 19:37:56,669 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 19:37:56,669 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/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 [2018-12-09 19:37:56,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:57,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:37:58,388 WARN L180 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-09 19:37:58,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:37:58,392 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:37:58,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:37:58,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:37:58,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:37:58,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:37:58,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:37:58,410 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 6 states. [2018-12-09 19:37:59,463 WARN L180 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-09 19:38:05,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:38:05,476 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2018-12-09 19:38:05,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:38:05,480 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-12-09 19:38:05,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:38:05,481 INFO L225 Difference]: With dead ends: 70 [2018-12-09 19:38:05,481 INFO L226 Difference]: Without dead ends: 50 [2018-12-09 19:38:05,481 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:38:05,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-12-09 19:38:05,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-12-09 19:38:05,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-12-09 19:38:05,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2018-12-09 19:38:05,485 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 24 [2018-12-09 19:38:05,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:38:05,486 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2018-12-09 19:38:05,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:38:05,486 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2018-12-09 19:38:05,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 19:38:05,486 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:38:05,486 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] [2018-12-09 19:38:05,486 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:38:05,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:38:05,487 INFO L82 PathProgramCache]: Analyzing trace with hash -267271278, now seen corresponding path program 1 times [2018-12-09 19:38:05,487 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 19:38:05,487 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/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 [2018-12-09 19:38:05,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:38:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:38:05,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:38:05,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:38:05,763 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:38:05,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:38:05,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-09 19:38:05,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 19:38:05,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 19:38:05,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-12-09 19:38:05,772 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 12 states. [2018-12-09 19:38:10,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:38:10,644 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-12-09 19:38:10,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 19:38:10,645 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2018-12-09 19:38:10,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:38:10,645 INFO L225 Difference]: With dead ends: 55 [2018-12-09 19:38:10,645 INFO L226 Difference]: Without dead ends: 44 [2018-12-09 19:38:10,646 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:38:10,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-09 19:38:10,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-09 19:38:10,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-09 19:38:10,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2018-12-09 19:38:10,652 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 29 [2018-12-09 19:38:10,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:38:10,652 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2018-12-09 19:38:10,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 19:38:10,652 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-12-09 19:38:10,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 19:38:10,653 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:38:10,653 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:38:10,653 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:38:10,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:38:10,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1796474983, now seen corresponding path program 1 times [2018-12-09 19:38:10,653 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 19:38:10,653 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/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 [2018-12-09 19:38:10,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:38:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:38:11,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:38:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:38:11,871 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:38:11,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:38:11,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:38:11,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:38:11,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:38:11,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:38:11,891 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 7 states. [2018-12-09 19:38:17,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:38:17,386 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2018-12-09 19:38:17,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 19:38:17,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-12-09 19:38:17,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:38:17,387 INFO L225 Difference]: With dead ends: 44 [2018-12-09 19:38:17,387 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:38:17,387 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 19:38:17,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:38:17,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:38:17,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:38:17,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:38:17,387 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-12-09 19:38:17,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:38:17,388 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:38:17,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:38:17,388 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:38:17,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:38:17,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:38:17,649 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:38:17,649 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:38:17,649 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:38:17,649 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2018-12-09 19:38:17,649 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2018-12-09 19:38:17,649 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2018-12-09 19:38:17,649 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. [2018-12-09 19:38:17,649 INFO L448 ceAbstractionStarter]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2018-12-09 19:38:17,649 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2018-12-09 19:38:17,649 INFO L448 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-12-09 19:38:17,649 INFO L451 ceAbstractionStarter]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2018-12-09 19:38:17,649 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:38:17,650 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) [2018-12-09 19:38:17,650 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:38:17,650 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:38:17,650 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 129 147) the Hoare annotation is: true [2018-12-09 19:38:17,650 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 129 147) no Hoare annotation was computed. [2018-12-09 19:38:17,650 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 19:38:17,650 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-12-09 19:38:17,650 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 129 147) no Hoare annotation was computed. [2018-12-09 19:38:17,650 INFO L444 ceAbstractionStarter]: At program point L141-1(line 141) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |main_#t~short29| (= main_~res~0 .cse0) (= main_~x~0 .cse0)))) [2018-12-09 19:38:17,650 INFO L448 ceAbstractionStarter]: For program point L141-2(line 141) no Hoare annotation was computed. [2018-12-09 19:38:17,650 INFO L444 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (= main_~x~0 (fp.neg (_ +zero 8 24)))) [2018-12-09 19:38:17,650 INFO L448 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-12-09 19:38:17,650 INFO L448 ceAbstractionStarter]: For program point L141-4(lines 141 144) no Hoare annotation was computed. [2018-12-09 19:38:17,650 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-12-09 19:38:17,650 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 117 127) no Hoare annotation was computed. [2018-12-09 19:38:17,650 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-12-09 19:38:17,651 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0)) (= |__signbit_float_#in~x| __signbit_float_~x) (not (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-09 19:38:17,651 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2018-12-09 19:38:17,651 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 117 127) the Hoare annotation is: true [2018-12-09 19:38:17,651 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 117 127) no Hoare annotation was computed. [2018-12-09 19:38:17,651 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 65) no Hoare annotation was computed. [2018-12-09 19:38:17,651 INFO L451 ceAbstractionStarter]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2018-12-09 19:38:17,651 INFO L448 ceAbstractionStarter]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2018-12-09 19:38:17,651 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 74) no Hoare annotation was computed. [2018-12-09 19:38:17,651 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2018-12-09 19:38:17,651 INFO L444 ceAbstractionStarter]: At program point L57-2(lines 57 61) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0)) (= |atan_float_#in~x| atan_float_~x) (not (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-09 19:38:17,651 INFO L448 ceAbstractionStarter]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2018-12-09 19:38:17,652 INFO L444 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0)) (and (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (not (bvslt (bvand (_ bv2147483647 32) atan_float_~hx~0) (_ bv1054867456 32))) (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|))) (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (= (bvand (_ bv2147483647 32) atan_float_~hx~0) atan_float_~ix~1))) (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (= |atan_float_#in~x| atan_float_~x)) (not (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-09 19:38:17,652 INFO L448 ceAbstractionStarter]: For program point L78-1(line 78) no Hoare annotation was computed. [2018-12-09 19:38:17,652 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 69) no Hoare annotation was computed. [2018-12-09 19:38:17,652 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 95) no Hoare annotation was computed. [2018-12-09 19:38:17,652 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 96) no Hoare annotation was computed. [2018-12-09 19:38:17,652 INFO L448 ceAbstractionStarter]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2018-12-09 19:38:17,652 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 70) no Hoare annotation was computed. [2018-12-09 19:38:17,652 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 94) no Hoare annotation was computed. [2018-12-09 19:38:17,652 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2018-12-09 19:38:17,652 INFO L448 ceAbstractionStarter]: For program point L113(line 113) no Hoare annotation was computed. [2018-12-09 19:38:17,653 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 86) no Hoare annotation was computed. [2018-12-09 19:38:17,653 INFO L448 ceAbstractionStarter]: For program point L113-2(line 113) no Hoare annotation was computed. [2018-12-09 19:38:17,653 INFO L448 ceAbstractionStarter]: For program point L109(lines 109 114) no Hoare annotation was computed. [2018-12-09 19:38:17,653 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 75) no Hoare annotation was computed. [2018-12-09 19:38:17,653 INFO L448 ceAbstractionStarter]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2018-12-09 19:38:17,658 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,659 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,659 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,659 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,661 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,661 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,661 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,661 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,662 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,662 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,662 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,662 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,662 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,663 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,663 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,663 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:38:17 BoogieIcfgContainer [2018-12-09 19:38:17,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:38:17,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:38:17,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:38:17,665 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:38:17,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:37:26" (3/4) ... [2018-12-09 19:38:17,668 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:38:17,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:38:17,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-09 19:38:17,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:38:17,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-12-09 19:38:17,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-12-09 19:38:17,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-12-09 19:38:17,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-12-09 19:38:17,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 19:38:17,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:38:17,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan) || \old(x) == x) || !(one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) [2018-12-09 19:38:17,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan) || \old(x) == x) || !(one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) [2018-12-09 19:38:17,714 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6715ea7a-f748-4e8d-9398-873bac253261/bin-2019/utaipan/witness.graphml [2018-12-09 19:38:17,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:38:17,715 INFO L168 Benchmark]: Toolchain (without parser) took 59911.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -121.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:38:17,715 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:38:17,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.06 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:17,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.35 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:38:17,716 INFO L168 Benchmark]: Boogie Preprocessor took 55.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:17,716 INFO L168 Benchmark]: RCFGBuilder took 8209.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:17,716 INFO L168 Benchmark]: TraceAbstraction took 51369.90 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -3.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 343.2 kB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:38:17,716 INFO L168 Benchmark]: Witness Printer took 49.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:17,718 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 207.06 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.35 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8209.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 51369.90 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -3.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 343.2 kB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 49.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. 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 - 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: 142]: 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: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant [2018-12-09 19:38:17,721 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,721 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,721 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,721 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,722 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,722 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,722 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,722 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_atan) || \old(x) == x) || !(one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) - InvariantResult [Line: 120]: Loop Invariant [2018-12-09 19:38:17,723 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,723 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,723 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,723 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,723 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,723 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,723 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 19:38:17,724 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_atan) || \old(x) == x) || !(one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 54 locations, 1 error locations. SAFE Result, 51.3s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 46.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 303 SDtfs, 220 SDslu, 1103 SDs, 0 SdLazy, 357 SolverSat, 28 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 43.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 5 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 25 PreInvPairs, 30 NumberOfFragments, 173 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 245 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 160 ConstructedInterpolants, 24 QuantifiedInterpolants, 25696 SizeOfPredicates, 25 NumberOfNonLiveVariables, 987 ConjunctsInSsa, 54 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...