./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/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 0186804fc9e8cef09b3a1cefd7c260de08abc9c3 ......................................................................................................................................................................................................................................................................................................................................................................................... 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_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/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 0186804fc9e8cef09b3a1cefd7c260de08abc9c3 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:52:40,449 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:52:40,451 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:52:40,457 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:52:40,457 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:52:40,458 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:52:40,459 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:52:40,460 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:52:40,461 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:52:40,462 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:52:40,462 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:52:40,463 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:52:40,463 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:52:40,464 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:52:40,465 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:52:40,465 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:52:40,466 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:52:40,467 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:52:40,468 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:52:40,469 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:52:40,470 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:52:40,471 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:52:40,472 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:52:40,473 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:52:40,473 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:52:40,473 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:52:40,474 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:52:40,475 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:52:40,475 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:52:40,476 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:52:40,476 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:52:40,477 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:52:40,477 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:52:40,477 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:52:40,477 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:52:40,478 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:52:40,478 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:52:40,488 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:52:40,489 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:52:40,489 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:52:40,489 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:52:40,489 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:52:40,490 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:52:40,490 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:52:40,490 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:52:40,490 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:52:40,490 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:52:40,490 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:52:40,491 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:52:40,491 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:52:40,491 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:52:40,491 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:52:40,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:52:40,492 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:52:40,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:52:40,492 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:52:40,492 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:52:40,492 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:52:40,492 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:52:40,493 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:52:40,493 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:52:40,493 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:52:40,493 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:52:40,493 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:52:40,493 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:52:40,494 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:52:40,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:52:40,494 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:52:40,494 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:52:40,494 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:52:40,494 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:52:40,494 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:52:40,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:52:40,495 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:52:40,495 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_67b07830-6f7d-4eab-86c2-d64a51261084/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 -> 0186804fc9e8cef09b3a1cefd7c260de08abc9c3 [2018-11-18 15:52:40,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:52:40,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:52:40,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:52:40,533 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:52:40,533 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:52:40,534 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c [2018-11-18 15:52:40,573 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/data/493535126/c01208daf3624d59a8c50e8a8e699fc9/FLAGc0a4bfc9c [2018-11-18 15:52:40,970 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:52:40,970 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c [2018-11-18 15:52:40,975 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/data/493535126/c01208daf3624d59a8c50e8a8e699fc9/FLAGc0a4bfc9c [2018-11-18 15:52:40,985 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/data/493535126/c01208daf3624d59a8c50e8a8e699fc9 [2018-11-18 15:52:40,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:52:40,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:52:40,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:52:40,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:52:40,991 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:52:40,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:52:40" (1/1) ... [2018-11-18 15:52:40,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e3deec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:40, skipping insertion in model container [2018-11-18 15:52:40,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:52:40" (1/1) ... [2018-11-18 15:52:40,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:52:41,014 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:52:41,140 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:52:41,148 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:52:41,170 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:52:41,181 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:52:41,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:41 WrapperNode [2018-11-18 15:52:41,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:52:41,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:52:41,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:52:41,182 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:52:41,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:41" (1/1) ... [2018-11-18 15:52:41,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:41" (1/1) ... [2018-11-18 15:52:41,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:52:41,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:52:41,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:52:41,239 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:52:41,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:41" (1/1) ... [2018-11-18 15:52:41,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:41" (1/1) ... [2018-11-18 15:52:41,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:41" (1/1) ... [2018-11-18 15:52:41,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:41" (1/1) ... [2018-11-18 15:52:41,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:41" (1/1) ... [2018-11-18 15:52:41,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:41" (1/1) ... [2018-11-18 15:52:41,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:41" (1/1) ... [2018-11-18 15:52:41,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:52:41,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:52:41,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:52:41,268 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:52:41,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:52:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:52:41,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:52:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 15:52:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2018-11-18 15:52:41,307 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2018-11-18 15:52:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 15:52:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 15:52:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-18 15:52:41,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-18 15:52:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:52:41,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:52:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 15:52:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:52:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:52:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:52:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 15:52:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-18 15:52:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-18 15:52:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:52:41,572 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:52:41,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:52:41 BoogieIcfgContainer [2018-11-18 15:52:41,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:52:41,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:52:41,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:52:41,576 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:52:41,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:52:40" (1/3) ... [2018-11-18 15:52:41,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f541be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:52:41, skipping insertion in model container [2018-11-18 15:52:41,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:41" (2/3) ... [2018-11-18 15:52:41,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f541be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:52:41, skipping insertion in model container [2018-11-18 15:52:41,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:52:41" (3/3) ... [2018-11-18 15:52:41,579 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211a_true-unreach-call.c [2018-11-18 15:52:41,585 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:52:41,591 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:52:41,601 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:52:41,625 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:52:41,625 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:52:41,625 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:52:41,625 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:52:41,625 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:52:41,625 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:52:41,625 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:52:41,626 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:52:41,639 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-11-18 15:52:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 15:52:41,644 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:52:41,645 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:52:41,647 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:52:41,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:52:41,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1120935154, now seen corresponding path program 1 times [2018-11-18 15:52:41,653 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:52:41,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:52:41,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:52:41,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:52:41,684 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:52:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:52:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:52:41,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:52:41,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:52:41,753 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:52:41,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:52:41,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:52:41,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:52:41,766 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-11-18 15:52:41,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:52:41,787 INFO L93 Difference]: Finished difference Result 110 states and 158 transitions. [2018-11-18 15:52:41,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:52:41,788 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-11-18 15:52:41,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:52:41,797 INFO L225 Difference]: With dead ends: 110 [2018-11-18 15:52:41,797 INFO L226 Difference]: Without dead ends: 55 [2018-11-18 15:52:41,800 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:52:41,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-18 15:52:41,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-18 15:52:41,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-18 15:52:41,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-11-18 15:52:41,828 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 27 [2018-11-18 15:52:41,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:52:41,828 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-11-18 15:52:41,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:52:41,828 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-11-18 15:52:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 15:52:41,829 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:52:41,829 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:52:41,829 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:52:41,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:52:41,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1018895086, now seen corresponding path program 1 times [2018-11-18 15:52:41,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:52:41,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:52:41,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:52:41,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:52:41,831 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:52:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:52:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:52:41,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:52:41,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:52:41,892 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:52:41,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:52:41,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:52:41,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:52:41,894 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 3 states. [2018-11-18 15:52:41,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:52:41,904 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-11-18 15:52:41,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:52:41,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-18 15:52:41,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:52:41,905 INFO L225 Difference]: With dead ends: 58 [2018-11-18 15:52:41,906 INFO L226 Difference]: Without dead ends: 55 [2018-11-18 15:52:41,906 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:52:41,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-18 15:52:41,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-18 15:52:41,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-18 15:52:41,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-11-18 15:52:41,912 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 30 [2018-11-18 15:52:41,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:52:41,913 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-11-18 15:52:41,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:52:41,913 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-11-18 15:52:41,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 15:52:41,914 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:52:41,914 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:52:41,914 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:52:41,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:52:41,914 INFO L82 PathProgramCache]: Analyzing trace with hash 83962761, now seen corresponding path program 1 times [2018-11-18 15:52:41,915 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:52:41,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:52:41,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:52:41,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:52:41,916 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:52:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:52:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:52:41,983 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 15:52:42,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:52:42 BoogieIcfgContainer [2018-11-18 15:52:42,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:52:42,009 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:52:42,009 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:52:42,010 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:52:42,010 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:52:41" (3/4) ... [2018-11-18 15:52:42,014 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 15:52:42,014 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:52:42,015 INFO L168 Benchmark]: Toolchain (without parser) took 1026.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -121.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:42,016 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:52:42,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.67 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:42,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -205.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:42,018 INFO L168 Benchmark]: Boogie Preprocessor took 28.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:52:42,018 INFO L168 Benchmark]: RCFGBuilder took 305.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:42,018 INFO L168 Benchmark]: TraceAbstraction took 435.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:42,019 INFO L168 Benchmark]: Witness Printer took 4.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:52:42,021 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.67 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -205.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 305.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 435.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 110]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 104, overapproximation of bitwiseAnd at line 93. Possible FailurePath: [L12] static const float one_modf = 1.0; VAL [\old(one_modf)=10737418246, one_modf=1] [L104] float x = 1.0f / 0.0f; [L105] FCALL float iptr = __VERIFIER_nondet_float(); [L106] CALL, EXPR modf_float(x, &iptr) VAL [\old(x)=10737418242, iptr={10737418253:0}, one_modf=1] [L15] __int32_t i0, j0; [L16] __uint32_t i; VAL [\old(x)=10737418242, iptr={10737418253:0}, iptr={10737418253:0}, one_modf=1, x=10737418242] [L18] FCALL ieee_float_shape_type gf_u; [L19] FCALL gf_u.value = (x) [L20] EXPR, FCALL gf_u.word [L20] (i0) = gf_u.word [L21] COND FALSE !(0) VAL [\old(x)=10737418242, i0=-2147483648, iptr={10737418253:0}, iptr={10737418253:0}, one_modf=1, x=10737418242] [L22] j0 = ((i0 >> 23) & 0xff) - 0x7f VAL [\old(x)=10737418242, i0=-2147483648, iptr={10737418253:0}, iptr={10737418253:0}, one_modf=1, x=10737418242] [L23] COND TRUE j0 < 23 VAL [\old(x)=10737418242, i0=-2147483648, iptr={10737418253:0}, iptr={10737418253:0}, j0=-1, one_modf=1, x=10737418242] [L24] COND TRUE j0 < 0 VAL [\old(x)=10737418242, i0=-2147483648, iptr={10737418253:0}, iptr={10737418253:0}, j0=-1, one_modf=1, x=10737418242] [L26] FCALL ieee_float_shape_type sf_u; [L27] FCALL sf_u.word = (i0 & 0x80000000) [L28] EXPR, FCALL sf_u.value [L28] FCALL (*iptr) = sf_u.value [L29] COND FALSE !(0) VAL [\old(x)=10737418242, i0=-2147483648, iptr={10737418253:0}, iptr={10737418253:0}, j0=-1, one_modf=1, x=10737418242] [L30] RET return x; VAL [\old(x)=10737418242, \result=10737418242, i0=-2147483648, iptr={10737418253:0}, iptr={10737418253:0}, j0=-1, one_modf=1, x=10737418242] [L106] EXPR modf_float(x, &iptr) VAL [iptr={10737418253:0}, modf_float(x, &iptr)=10737418242, one_modf=1, x=10737418242] [L106] float res = modf_float(x, &iptr); [L109] EXPR, FCALL \read(iptr) VAL [\read(iptr)=10737418252, iptr={10737418253:0}, one_modf=1, res=10737418242, x=10737418242] [L109] CALL, EXPR isinf_float(iptr) VAL [\old(x)=10737418252, one_modf=1] [L87] __int32_t ix; VAL [\old(x)=10737418252, one_modf=1, x=10737418252] [L89] FCALL ieee_float_shape_type gf_u; [L90] FCALL gf_u.value = (x) [L91] EXPR, FCALL gf_u.word [L91] (ix) = gf_u.word [L92] COND FALSE !(0) VAL [\old(x)=10737418252, ix=-2147483648, one_modf=1, x=10737418252] [L93] ix &= 0x7fffffff [L94] RET return ((ix) == 0x7f800000L); VAL [\old(x)=10737418252, \result=1, ix=2139095040, one_modf=1, x=10737418252] [L109] EXPR isinf_float(iptr) VAL [\read(iptr)=10737418252, iptr={10737418253:0}, isinf_float(iptr)=1, one_modf=1, res=10737418242, x=10737418242] [L109] isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) [L109] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [\read(iptr)=10737418252, iptr={10737418253:0}, isinf_float(iptr)=1, isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0)=1, one_modf=1, res=10737418242, res == 0.0f && __signbit_float(res) == 0=0, x=10737418242] [L109] isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) VAL [\read(iptr)=10737418252, iptr={10737418253:0}, isinf_float(iptr)=1, isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0)=1, one_modf=1, res=10737418242, res == 0.0f && __signbit_float(res) == 0=0, x=10737418242] [L109] COND TRUE isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) [L110] __VERIFIER_error() VAL [iptr={10737418253:0}, one_modf=1, res=10737418242, x=10737418242] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 59 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 122 SDtfs, 0 SDslu, 54 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 1546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 15:52:43,475 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:52:43,476 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:52:43,485 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:52:43,486 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:52:43,486 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:52:43,487 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:52:43,489 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:52:43,490 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:52:43,490 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:52:43,491 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:52:43,491 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:52:43,492 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:52:43,493 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:52:43,494 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:52:43,494 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:52:43,495 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:52:43,496 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:52:43,498 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:52:43,499 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:52:43,500 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:52:43,501 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:52:43,503 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:52:43,503 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:52:43,503 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:52:43,504 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:52:43,504 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:52:43,505 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:52:43,506 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:52:43,506 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:52:43,507 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:52:43,507 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:52:43,507 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:52:43,507 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:52:43,508 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:52:43,509 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:52:43,509 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 15:52:43,519 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:52:43,519 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:52:43,520 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:52:43,520 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:52:43,521 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:52:43,521 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:52:43,521 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:52:43,521 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:52:43,521 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:52:43,521 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:52:43,522 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:52:43,522 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:52:43,522 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:52:43,522 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:52:43,522 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:52:43,523 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:52:43,523 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:52:43,523 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 15:52:43,523 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 15:52:43,523 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:52:43,523 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:52:43,524 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:52:43,524 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:52:43,524 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:52:43,524 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:52:43,524 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:52:43,524 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:52:43,524 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:52:43,525 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:52:43,525 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:52:43,525 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:52:43,525 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 15:52:43,525 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:52:43,525 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 15:52:43,526 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 15:52:43,526 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_67b07830-6f7d-4eab-86c2-d64a51261084/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 -> 0186804fc9e8cef09b3a1cefd7c260de08abc9c3 [2018-11-18 15:52:43,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:52:43,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:52:43,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:52:43,571 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:52:43,572 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:52:43,572 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c [2018-11-18 15:52:43,617 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/data/835e88df6/7e72e94e20814e989f0c3086fc6cc7ab/FLAGc53b469f2 [2018-11-18 15:52:44,017 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:52:44,018 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c [2018-11-18 15:52:44,022 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/data/835e88df6/7e72e94e20814e989f0c3086fc6cc7ab/FLAGc53b469f2 [2018-11-18 15:52:44,032 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/data/835e88df6/7e72e94e20814e989f0c3086fc6cc7ab [2018-11-18 15:52:44,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:52:44,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:52:44,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:52:44,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:52:44,038 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:52:44,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:52:44" (1/1) ... [2018-11-18 15:52:44,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d86102c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:44, skipping insertion in model container [2018-11-18 15:52:44,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:52:44" (1/1) ... [2018-11-18 15:52:44,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:52:44,063 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:52:44,197 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:52:44,209 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:52:44,233 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:52:44,245 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:52:44,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:44 WrapperNode [2018-11-18 15:52:44,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:52:44,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:52:44,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:52:44,247 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:52:44,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:44" (1/1) ... [2018-11-18 15:52:44,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:44" (1/1) ... [2018-11-18 15:52:44,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:52:44,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:52:44,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:52:44,266 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:52:44,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:44" (1/1) ... [2018-11-18 15:52:44,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:44" (1/1) ... [2018-11-18 15:52:44,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:44" (1/1) ... [2018-11-18 15:52:44,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:44" (1/1) ... [2018-11-18 15:52:44,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:44" (1/1) ... [2018-11-18 15:52:44,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:44" (1/1) ... [2018-11-18 15:52:44,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:44" (1/1) ... [2018-11-18 15:52:44,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:52:44,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:52:44,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:52:44,344 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:52:44,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:52:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:52:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:52:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 15:52:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2018-11-18 15:52:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2018-11-18 15:52:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-18 15:52:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-18 15:52:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:52:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:52:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:52:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 15:52:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-18 15:52:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:52:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:52:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 15:52:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-18 15:52:44,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-18 15:52:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 15:52:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:52:44,483 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:52:44,527 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:52:44,562 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:52:44,576 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:52:44,662 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:52:44,688 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:52:44,750 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:52:44,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:52:44 BoogieIcfgContainer [2018-11-18 15:52:44,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:52:44,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:52:44,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:52:44,753 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:52:44,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:52:44" (1/3) ... [2018-11-18 15:52:44,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba74604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:52:44, skipping insertion in model container [2018-11-18 15:52:44,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:44" (2/3) ... [2018-11-18 15:52:44,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba74604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:52:44, skipping insertion in model container [2018-11-18 15:52:44,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:52:44" (3/3) ... [2018-11-18 15:52:44,756 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211a_true-unreach-call.c [2018-11-18 15:52:44,765 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:52:44,771 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:52:44,782 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:52:44,800 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:52:44,800 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:52:44,800 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:52:44,800 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:52:44,800 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:52:44,800 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:52:44,800 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:52:44,800 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:52:44,801 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:52:44,815 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-11-18 15:52:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 15:52:44,820 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:52:44,821 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:52:44,823 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:52:44,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:52:44,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1120935154, now seen corresponding path program 1 times [2018-11-18 15:52:44,828 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:52:44,829 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 15:52:44,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:52:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:52:44,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:52:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:52:44,971 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:52:44,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:52:44,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:52:44,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:52:44,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:52:44,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:52:44,995 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-11-18 15:52:45,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:52:45,013 INFO L93 Difference]: Finished difference Result 110 states and 158 transitions. [2018-11-18 15:52:45,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:52:45,014 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-11-18 15:52:45,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:52:45,021 INFO L225 Difference]: With dead ends: 110 [2018-11-18 15:52:45,021 INFO L226 Difference]: Without dead ends: 55 [2018-11-18 15:52:45,024 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:52:45,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-18 15:52:45,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-18 15:52:45,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-18 15:52:45,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-11-18 15:52:45,049 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 27 [2018-11-18 15:52:45,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:52:45,050 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-11-18 15:52:45,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:52:45,050 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-11-18 15:52:45,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 15:52:45,051 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:52:45,051 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:52:45,051 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:52:45,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:52:45,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1018895086, now seen corresponding path program 1 times [2018-11-18 15:52:45,052 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:52:45,052 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 15:52:45,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:52:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:52:45,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:52:45,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:52:45,225 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:52:45,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:52:45,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:52:45,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:52:45,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:52:45,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:52:45,234 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 7 states. [2018-11-18 15:52:45,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:52:45,795 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2018-11-18 15:52:45,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 15:52:45,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-11-18 15:52:45,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:52:45,796 INFO L225 Difference]: With dead ends: 82 [2018-11-18 15:52:45,797 INFO L226 Difference]: Without dead ends: 42 [2018-11-18 15:52:45,797 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-18 15:52:45,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-18 15:52:45,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-18 15:52:45,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-18 15:52:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2018-11-18 15:52:45,803 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 30 [2018-11-18 15:52:45,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:52:45,804 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2018-11-18 15:52:45,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:52:45,804 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-11-18 15:52:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:52:45,805 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:52:45,805 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:52:45,805 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:52:45,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:52:45,805 INFO L82 PathProgramCache]: Analyzing trace with hash -190296320, now seen corresponding path program 1 times [2018-11-18 15:52:45,806 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:52:45,806 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 15:52:45,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:52:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:52:45,914 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:52:45,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:52:45,922 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:52:45,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:52:45,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:52:45,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:52:45,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:52:45,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:52:45,936 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 3 states. [2018-11-18 15:52:45,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:52:45,950 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-11-18 15:52:45,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:52:45,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-18 15:52:45,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:52:45,951 INFO L225 Difference]: With dead ends: 45 [2018-11-18 15:52:45,951 INFO L226 Difference]: Without dead ends: 42 [2018-11-18 15:52:45,952 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:52:45,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-18 15:52:45,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-18 15:52:45,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-18 15:52:45,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-11-18 15:52:45,957 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 31 [2018-11-18 15:52:45,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:52:45,957 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-11-18 15:52:45,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:52:45,957 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-11-18 15:52:45,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 15:52:45,958 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:52:45,958 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:52:45,958 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:52:45,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:52:45,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1798427127, now seen corresponding path program 1 times [2018-11-18 15:52:45,959 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:52:45,959 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 15:52:45,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:52:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:52:46,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:52:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:52:46,252 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:52:46,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:52:46,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 15:52:46,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:52:46,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:52:46,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:52:46,262 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 10 states. [2018-11-18 15:52:46,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:52:46,857 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2018-11-18 15:52:46,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 15:52:46,858 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 33 [2018-11-18 15:52:46,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:52:46,858 INFO L225 Difference]: With dead ends: 46 [2018-11-18 15:52:46,858 INFO L226 Difference]: Without dead ends: 42 [2018-11-18 15:52:46,859 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2018-11-18 15:52:46,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-18 15:52:46,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-18 15:52:46,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-18 15:52:46,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-11-18 15:52:46,864 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 33 [2018-11-18 15:52:46,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:52:46,864 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-11-18 15:52:46,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:52:46,864 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-11-18 15:52:46,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 15:52:46,865 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:52:46,865 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:52:46,866 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:52:46,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:52:46,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1731827313, now seen corresponding path program 1 times [2018-11-18 15:52:46,867 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:52:46,867 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 15:52:46,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:52:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:52:46,973 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:52:47,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:52:47,269 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:52:47,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:52:47,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-18 15:52:47,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 15:52:47,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 15:52:47,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-11-18 15:52:47,279 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 15 states. [2018-11-18 15:52:48,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:52:48,591 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-11-18 15:52:48,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 15:52:48,591 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2018-11-18 15:52:48,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:52:48,591 INFO L225 Difference]: With dead ends: 42 [2018-11-18 15:52:48,592 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:52:48,592 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2018-11-18 15:52:48,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:52:48,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:52:48,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:52:48,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:52:48,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-11-18 15:52:48,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:52:48,593 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:52:48,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 15:52:48,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:52:48,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:52:48,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:52:48,800 INFO L425 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2018-11-18 15:52:48,800 INFO L428 ceAbstractionStarter]: At program point L88-3(lines 88 92) the Hoare annotation is: true [2018-11-18 15:52:48,800 INFO L425 ceAbstractionStarter]: For program point L88-4(lines 88 92) no Hoare annotation was computed. [2018-11-18 15:52:48,800 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 86 95) the Hoare annotation is: true [2018-11-18 15:52:48,801 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 86 95) no Hoare annotation was computed. [2018-11-18 15:52:48,801 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 86 95) no Hoare annotation was computed. [2018-11-18 15:52:48,801 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:52:48,801 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:52:48,801 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:52:48,801 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:52:48,801 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 15:52:48,801 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:52:48,801 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:52:48,801 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 97 115) no Hoare annotation was computed. [2018-11-18 15:52:48,802 INFO L425 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-11-18 15:52:48,802 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 97 115) no Hoare annotation was computed. [2018-11-18 15:52:48,802 INFO L421 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-11-18 15:52:48,802 INFO L425 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed. [2018-11-18 15:52:48,802 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 97 115) the Hoare annotation is: true [2018-11-18 15:52:48,802 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 110) no Hoare annotation was computed. [2018-11-18 15:52:48,803 INFO L421 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (and (exists ((modf_float_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~ix~1) ((_ extract 30 23) modf_float_~ix~1) ((_ extract 22 0) modf_float_~ix~1)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (= (let ((.cse0 (bvand (_ bv2147483648 32) modf_float_~ix~1))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0))) (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) [2018-11-18 15:52:48,803 INFO L425 ceAbstractionStarter]: For program point L109-1(line 109) no Hoare annotation was computed. [2018-11-18 15:52:48,803 INFO L425 ceAbstractionStarter]: For program point L109-2(line 109) no Hoare annotation was computed. [2018-11-18 15:52:48,803 INFO L425 ceAbstractionStarter]: For program point L109-3(line 109) no Hoare annotation was computed. [2018-11-18 15:52:48,803 INFO L421 ceAbstractionStarter]: At program point L109-4(line 109) the Hoare annotation is: (and (exists ((modf_float_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~ix~1) ((_ extract 30 23) modf_float_~ix~1) ((_ extract 22 0) modf_float_~ix~1)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (= (let ((.cse0 (bvand (_ bv2147483648 32) modf_float_~ix~1))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0))) (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) |main_#t~short22|) [2018-11-18 15:52:48,803 INFO L425 ceAbstractionStarter]: For program point L109-5(line 109) no Hoare annotation was computed. [2018-11-18 15:52:48,803 INFO L425 ceAbstractionStarter]: For program point L109-7(line 109) no Hoare annotation was computed. [2018-11-18 15:52:48,803 INFO L425 ceAbstractionStarter]: For program point L109-9(lines 109 112) no Hoare annotation was computed. [2018-11-18 15:52:48,804 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-11-18 15:52:48,804 INFO L425 ceAbstractionStarter]: For program point L64-2(lines 56 70) no Hoare annotation was computed. [2018-11-18 15:52:48,804 INFO L425 ceAbstractionStarter]: For program point L64-3(lines 64 68) no Hoare annotation was computed. [2018-11-18 15:52:48,804 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 70) no Hoare annotation was computed. [2018-11-18 15:52:48,804 INFO L425 ceAbstractionStarter]: For program point modf_floatEXIT(lines 14 71) no Hoare annotation was computed. [2018-11-18 15:52:48,804 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-11-18 15:52:48,804 INFO L421 ceAbstractionStarter]: At program point L48-3(lines 48 52) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (bvadd modf_float_~j0~0 (_ bv127 32)) (bvand (_ bv255 32) (bvashr modf_float_~i0~0 (_ bv23 32)))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (bvslt (bvadd (bvand (_ bv255 32) (bvashr modf_float_~i0~0 (_ bv23 32))) (_ bv4294967169 32)) (_ bv23 32)) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|)))) [2018-11-18 15:52:48,804 INFO L425 ceAbstractionStarter]: For program point L48-4(lines 48 52) no Hoare annotation was computed. [2018-11-18 15:52:48,805 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 40) no Hoare annotation was computed. [2018-11-18 15:52:48,805 INFO L421 ceAbstractionStarter]: At program point L36-3(lines 36 40) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (bvadd modf_float_~j0~0 (_ bv127 32)) (bvand (_ bv255 32) (bvashr modf_float_~i0~0 (_ bv23 32)))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (bvslt (bvadd (bvand (_ bv255 32) (bvashr modf_float_~i0~0 (_ bv23 32))) (_ bv4294967169 32)) (_ bv23 32)) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|)))) [2018-11-18 15:52:48,805 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 55) no Hoare annotation was computed. [2018-11-18 15:52:48,805 INFO L425 ceAbstractionStarter]: For program point L41(lines 41 45) no Hoare annotation was computed. [2018-11-18 15:52:48,805 INFO L425 ceAbstractionStarter]: For program point L41-2(lines 33 47) no Hoare annotation was computed. [2018-11-18 15:52:48,805 INFO L425 ceAbstractionStarter]: For program point L41-3(lines 41 45) no Hoare annotation was computed. [2018-11-18 15:52:48,805 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 54) no Hoare annotation was computed. [2018-11-18 15:52:48,806 INFO L425 ceAbstractionStarter]: For program point L25-1(lines 25 29) no Hoare annotation was computed. [2018-11-18 15:52:48,806 INFO L421 ceAbstractionStarter]: At program point L25-3(lines 25 29) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (bvadd modf_float_~j0~0 (_ bv127 32)) (bvand (_ bv255 32) (bvashr modf_float_~i0~0 (_ bv23 32)))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (bvslt (bvadd (bvand (_ bv255 32) (bvashr modf_float_~i0~0 (_ bv23 32))) (_ bv4294967169 32)) (_ bv23 32)) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|)))) [2018-11-18 15:52:48,806 INFO L425 ceAbstractionStarter]: For program point L25-4(lines 25 29) no Hoare annotation was computed. [2018-11-18 15:52:48,806 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-11-18 15:52:48,806 INFO L421 ceAbstractionStarter]: At program point L17-3(lines 17 21) the Hoare annotation is: (= modf_float_~x |modf_float_#in~x|) [2018-11-18 15:52:48,806 INFO L425 ceAbstractionStarter]: For program point L17-4(lines 17 21) no Hoare annotation was computed. [2018-11-18 15:52:48,806 INFO L425 ceAbstractionStarter]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2018-11-18 15:52:48,807 INFO L421 ceAbstractionStarter]: At program point L59-3(lines 59 63) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (bvadd modf_float_~j0~0 (_ bv127 32)) (bvand (_ bv255 32) (bvashr modf_float_~i0~0 (_ bv23 32)))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|)) [2018-11-18 15:52:48,807 INFO L428 ceAbstractionStarter]: At program point modf_floatENTRY(lines 14 71) the Hoare annotation is: true [2018-11-18 15:52:48,807 INFO L425 ceAbstractionStarter]: For program point modf_floatFINAL(lines 14 71) no Hoare annotation was computed. [2018-11-18 15:52:48,807 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 73 83) no Hoare annotation was computed. [2018-11-18 15:52:48,807 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 73 83) the Hoare annotation is: true [2018-11-18 15:52:48,807 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 73 83) no Hoare annotation was computed. [2018-11-18 15:52:48,807 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-11-18 15:52:48,807 INFO L421 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-18 15:52:48,807 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 76 80) no Hoare annotation was computed. [2018-11-18 15:52:48,816 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:52:48 BoogieIcfgContainer [2018-11-18 15:52:48,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:52:48,830 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:52:48,830 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:52:48,830 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:52:48,831 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:52:44" (3/4) ... [2018-11-18 15:52:48,833 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:52:48,837 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-18 15:52:48,837 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:52:48,838 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:52:48,838 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure modf_float [2018-11-18 15:52:48,838 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-18 15:52:48,842 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 15:52:48,843 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-18 15:52:48,843 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 15:52:48,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 15:52:48,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 15:52:48,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~bvslt32(~bvadd64(~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)), 4294967169bv32), 23bv32) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x)) [2018-11-18 15:52:48,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x) [2018-11-18 15:52:48,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~bvslt32(~bvadd64(~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)), 4294967169bv32), 23bv32) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x)) [2018-11-18 15:52:48,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~bvslt32(~bvadd64(~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)), 4294967169bv32), 23bv32) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x)) [2018-11-18 15:52:48,886 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_67b07830-6f7d-4eab-86c2-d64a51261084/bin-2019/utaipan/witness.graphml [2018-11-18 15:52:48,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:52:48,887 INFO L168 Benchmark]: Toolchain (without parser) took 4852.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 948.7 MB in the beginning and 825.0 MB in the end (delta: 123.7 MB). Peak memory consumption was 270.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:48,888 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:52:48,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.48 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:48,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.40 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:52:48,889 INFO L168 Benchmark]: Boogie Preprocessor took 77.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -208.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:48,889 INFO L168 Benchmark]: RCFGBuilder took 407.02 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: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:48,889 INFO L168 Benchmark]: TraceAbstraction took 4078.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 831.8 MB in the end (delta: 270.5 MB). Peak memory consumption was 270.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:48,890 INFO L168 Benchmark]: Witness Printer took 56.73 ms. Allocated memory is still 1.2 GB. Free memory was 831.8 MB in the beginning and 825.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:48,891 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 210.48 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 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 19.40 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -208.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 407.02 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: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4078.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 831.8 MB in the end (delta: 270.5 MB). Peak memory consumption was 270.5 MB. Max. memory is 11.5 GB. * Witness Printer took 56.73 ms. Allocated memory is still 1.2 GB. Free memory was 831.8 MB in the beginning and 825.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 110]: 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: 17]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 59]: Loop Invariant [2018-11-18 15:52:48,896 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,896 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,897 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,897 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,897 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,897 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,898 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,898 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: (x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x) - InvariantResult [Line: 48]: Loop Invariant [2018-11-18 15:52:48,898 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,898 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,898 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,899 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,899 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,899 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,899 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,899 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,900 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,900 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,900 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,900 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,901 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,901 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,901 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,901 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~bvslt32(~bvadd64(~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)), 4294967169bv32), 23bv32) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x)) - InvariantResult [Line: 25]: Loop Invariant [2018-11-18 15:52:48,901 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,902 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,902 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,902 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,902 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,902 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,902 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,903 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,903 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,903 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,903 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,904 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,904 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,904 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,904 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,904 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~bvslt32(~bvadd64(~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)), 4294967169bv32), 23bv32) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x)) - InvariantResult [Line: 36]: Loop Invariant [2018-11-18 15:52:48,905 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,905 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,905 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,905 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,905 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,905 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,905 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,905 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,906 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,906 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,906 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,906 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,906 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,906 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,906 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-18 15:52:48,906 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~bvslt32(~bvadd64(~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)), 4294967169bv32), 23bv32) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 59 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 207 SDtfs, 132 SDslu, 711 SDs, 0 SdLazy, 297 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 25 PreInvPairs, 34 NumberOfFragments, 295 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 157 ConstructedInterpolants, 27 QuantifiedInterpolants, 34549 SizeOfPredicates, 18 NumberOfNonLiveVariables, 495 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...