./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1072b_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_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/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 e202c391e3bb616d6f4a88904e6d2705a4dd90a9 ............................................................................................................................................................................................................................................................................................................................. 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_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/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 e202c391e3bb616d6f4a88904e6d2705a4dd90a9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:11:40,150 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:11:40,151 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:11:40,159 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:11:40,159 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:11:40,160 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:11:40,160 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:11:40,161 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:11:40,162 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:11:40,163 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:11:40,163 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:11:40,163 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:11:40,164 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:11:40,165 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:11:40,166 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:11:40,166 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:11:40,167 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:11:40,168 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:11:40,169 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:11:40,170 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:11:40,171 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:11:40,171 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:11:40,173 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:11:40,173 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:11:40,173 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:11:40,174 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:11:40,174 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:11:40,175 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:11:40,176 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:11:40,176 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:11:40,176 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:11:40,177 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:11:40,177 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:11:40,177 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:11:40,178 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:11:40,178 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:11:40,178 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:11:40,188 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:11:40,188 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:11:40,189 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:11:40,189 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:11:40,189 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:11:40,189 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:11:40,189 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:11:40,189 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:11:40,190 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:11:40,190 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:11:40,190 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:11:40,190 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:11:40,190 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:11:40,190 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:11:40,190 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:11:40,191 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:11:40,191 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:11:40,191 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:11:40,191 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:11:40,191 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:11:40,191 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:11:40,191 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:11:40,191 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:11:40,192 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:11:40,192 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:11:40,192 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:11:40,192 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:11:40,192 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:11:40,192 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:11:40,192 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:11:40,193 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:11:40,193 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:11:40,193 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:11:40,193 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:11:40,193 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:11:40,193 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:11:40,193 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:11:40,193 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_50157771-037e-4943-a5da-3b2fb3b36ad0/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 -> e202c391e3bb616d6f4a88904e6d2705a4dd90a9 [2018-11-18 15:11:40,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:11:40,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:11:40,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:11:40,227 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:11:40,227 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:11:40,227 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1072b_true-unreach-call.c [2018-11-18 15:11:40,263 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/data/bcd5fa728/ade6c3ae600a4cc797c58055873dd1d3/FLAG0f83409ff [2018-11-18 15:11:40,562 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:11:40,562 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/sv-benchmarks/c/float-newlib/double_req_bl_1072b_true-unreach-call.c [2018-11-18 15:11:40,566 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/data/bcd5fa728/ade6c3ae600a4cc797c58055873dd1d3/FLAG0f83409ff [2018-11-18 15:11:40,575 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/data/bcd5fa728/ade6c3ae600a4cc797c58055873dd1d3 [2018-11-18 15:11:40,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:11:40,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:11:40,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:11:40,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:11:40,583 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:11:40,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:11:40" (1/1) ... [2018-11-18 15:11:40,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252e0cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:40, skipping insertion in model container [2018-11-18 15:11:40,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:11:40" (1/1) ... [2018-11-18 15:11:40,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:11:40,608 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:11:40,723 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:11:40,725 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:11:40,741 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:11:40,753 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:11:40,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:40 WrapperNode [2018-11-18 15:11:40,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:11:40,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:11:40,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:11:40,754 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:11:40,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:40" (1/1) ... [2018-11-18 15:11:40,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:40" (1/1) ... [2018-11-18 15:11:40,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:11:40,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:11:40,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:11:40,770 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:11:40,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:40" (1/1) ... [2018-11-18 15:11:40,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:40" (1/1) ... [2018-11-18 15:11:40,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:40" (1/1) ... [2018-11-18 15:11:40,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:40" (1/1) ... [2018-11-18 15:11:40,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:40" (1/1) ... [2018-11-18 15:11:40,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:40" (1/1) ... [2018-11-18 15:11:40,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:40" (1/1) ... [2018-11-18 15:11:40,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:11:40,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:11:40,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:11:40,834 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:11:40,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/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 15:11:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-18 15:11:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-18 15:11:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:11:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:11:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-11-18 15:11:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-11-18 15:11:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 15:11:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 15:11:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:11:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:11:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 15:11:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:11:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:11:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:11:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 15:11:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:11:41,102 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:11:41,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:41 BoogieIcfgContainer [2018-11-18 15:11:41,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:11:41,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:11:41,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:11:41,106 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:11:41,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:11:40" (1/3) ... [2018-11-18 15:11:41,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274079e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:11:41, skipping insertion in model container [2018-11-18 15:11:41,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:40" (2/3) ... [2018-11-18 15:11:41,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274079e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:11:41, skipping insertion in model container [2018-11-18 15:11:41,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:41" (3/3) ... [2018-11-18 15:11:41,109 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072b_true-unreach-call.c [2018-11-18 15:11:41,118 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:11:41,125 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:11:41,139 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:11:41,166 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:11:41,166 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:11:41,166 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:11:41,166 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:11:41,166 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:11:41,166 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:11:41,167 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:11:41,167 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:11:41,182 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-11-18 15:11:41,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 15:11:41,187 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:41,187 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:41,189 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:41,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:41,194 INFO L82 PathProgramCache]: Analyzing trace with hash 68876533, now seen corresponding path program 1 times [2018-11-18 15:11:41,196 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:11:41,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:41,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:41,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:41,236 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:11:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:41,301 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 15:11:41,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:41,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:11:41,303 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:11:41,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:11:41,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:11:41,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:11:41,320 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-11-18 15:11:41,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:41,338 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2018-11-18 15:11:41,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:11:41,340 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 15:11:41,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:41,348 INFO L225 Difference]: With dead ends: 74 [2018-11-18 15:11:41,348 INFO L226 Difference]: Without dead ends: 37 [2018-11-18 15:11:41,351 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 15:11:41,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-18 15:11:41,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-18 15:11:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 15:11:41,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-11-18 15:11:41,382 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 19 [2018-11-18 15:11:41,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:41,383 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-11-18 15:11:41,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:11:41,383 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-11-18 15:11:41,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 15:11:41,384 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:41,384 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] [2018-11-18 15:11:41,385 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:41,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:41,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1200725332, now seen corresponding path program 1 times [2018-11-18 15:11:41,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:11:41,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:41,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:41,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:41,387 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:11:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:11:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:11:41,453 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 15:11:41,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:11:41 BoogieIcfgContainer [2018-11-18 15:11:41,471 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:11:41,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:11:41,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:11:41,471 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:11:41,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:41" (3/4) ... [2018-11-18 15:11:41,474 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 15:11:41,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:11:41,474 INFO L168 Benchmark]: Toolchain (without parser) took 895.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:41,475 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:11:41,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.48 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 15:11:41,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.96 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:11:41,476 INFO L168 Benchmark]: Boogie Preprocessor took 63.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -210.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:41,477 INFO L168 Benchmark]: RCFGBuilder took 269.04 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: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:41,477 INFO L168 Benchmark]: TraceAbstraction took 367.41 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:41,478 INFO L168 Benchmark]: Witness Printer took 2.78 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:41,480 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 173.48 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 15.96 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -210.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 269.04 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: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 367.41 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.78 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 86]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49. Possible FailurePath: [L81] double x = 0.0; VAL [x=0] [L82] CALL, EXPR trunc_double(x) VAL [\old(x)=0] [L18] int signbit; [L19] int msw; [L20] unsigned int lsw; [L21] int exponent_less_1023; VAL [\old(x)=0, x=0] [L23] FCALL ieee_double_shape_type ew_u; [L24] FCALL ew_u.value = (x) [L25] EXPR, FCALL ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR, FCALL ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L27] COND FALSE !(0) VAL [\old(x)=0, lsw=2147483654, msw=-2147483648, x=0] [L28] signbit = msw & 0x80000000 [L29] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=0, exponent_less_1023=1024, lsw=2147483654, msw=-2147483648, signbit=-1, x=0] [L30] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=0, exponent_less_1023=1024, lsw=2147483654, msw=-2147483648, signbit=-1, x=0] [L47] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=0, exponent_less_1023=1024, lsw=2147483654, msw=-2147483648, signbit=-1, x=0] [L48] COND TRUE exponent_less_1023 == 1024 [L49] RET return x + x; VAL [\old(x)=0, exponent_less_1023=1024, lsw=2147483654, msw=-2147483648, signbit=-1, x=0] [L82] EXPR trunc_double(x) VAL [trunc_double(x)=6442450948, x=0] [L82] double res = trunc_double(x); [L85] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [res=6442450948, res == 0.0 && __signbit_double(res) == 0=0, x=0] [L85] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L86] __VERIFIER_error() VAL [res=6442450948, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 45 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 15:11:42,937 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:11:42,938 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:11:42,948 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:11:42,948 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:11:42,949 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:11:42,950 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:11:42,951 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:11:42,952 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:11:42,952 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:11:42,953 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:11:42,953 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:11:42,954 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:11:42,955 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:11:42,956 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:11:42,957 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:11:42,957 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:11:42,959 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:11:42,960 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:11:42,961 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:11:42,962 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:11:42,963 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:11:42,965 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:11:42,965 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:11:42,966 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:11:42,966 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:11:42,967 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:11:42,967 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:11:42,969 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:11:42,969 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:11:42,970 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:11:42,970 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:11:42,970 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:11:42,970 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:11:42,971 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:11:42,971 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:11:42,972 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 15:11:42,983 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:11:42,983 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:11:42,984 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:11:42,984 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:11:42,984 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:11:42,984 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:11:42,984 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:11:42,984 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:11:42,984 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:11:42,985 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:11:42,985 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:11:42,985 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:11:42,985 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:11:42,985 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:11:42,986 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:11:42,986 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:11:42,986 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:11:42,986 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 15:11:42,986 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 15:11:42,986 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:11:42,986 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:11:42,987 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:11:42,987 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:11:42,987 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:11:42,987 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:11:42,987 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:11:42,987 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:11:42,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:11:42,988 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:11:42,988 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:11:42,988 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:11:42,988 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 15:11:42,988 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:11:42,988 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 15:11:42,988 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 15:11:42,988 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_50157771-037e-4943-a5da-3b2fb3b36ad0/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 -> e202c391e3bb616d6f4a88904e6d2705a4dd90a9 [2018-11-18 15:11:43,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:11:43,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:11:43,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:11:43,034 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:11:43,034 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:11:43,035 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1072b_true-unreach-call.c [2018-11-18 15:11:43,079 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/data/79e962319/02f24e0d24864ecbb1099249ab61907c/FLAG1a6ff9881 [2018-11-18 15:11:43,383 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:11:43,383 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/sv-benchmarks/c/float-newlib/double_req_bl_1072b_true-unreach-call.c [2018-11-18 15:11:43,387 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/data/79e962319/02f24e0d24864ecbb1099249ab61907c/FLAG1a6ff9881 [2018-11-18 15:11:43,397 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/data/79e962319/02f24e0d24864ecbb1099249ab61907c [2018-11-18 15:11:43,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:11:43,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:11:43,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:11:43,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:11:43,404 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:11:43,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:11:43" (1/1) ... [2018-11-18 15:11:43,407 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 03:11:43, skipping insertion in model container [2018-11-18 15:11:43,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:11:43" (1/1) ... [2018-11-18 15:11:43,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:11:43,427 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:11:43,550 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:11:43,554 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:11:43,575 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:11:43,597 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:11:43,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:43 WrapperNode [2018-11-18 15:11:43,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:11:43,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:11:43,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:11:43,598 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:11:43,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:43" (1/1) ... [2018-11-18 15:11:43,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:43" (1/1) ... [2018-11-18 15:11:43,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:11:43,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:11:43,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:11:43,616 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:11:43,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:43" (1/1) ... [2018-11-18 15:11:43,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:43" (1/1) ... [2018-11-18 15:11:43,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:43" (1/1) ... [2018-11-18 15:11:43,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:43" (1/1) ... [2018-11-18 15:11:43,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:43" (1/1) ... [2018-11-18 15:11:43,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:43" (1/1) ... [2018-11-18 15:11:43,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:43" (1/1) ... [2018-11-18 15:11:43,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:11:43,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:11:43,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:11:43,643 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:11:43,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/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 15:11:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 15:11:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 15:11:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-18 15:11:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-18 15:11:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:11:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:11:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-11-18 15:11:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-11-18 15:11:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:11:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:11:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:11:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 15:11:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:11:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:11:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 15:11:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:11:43,829 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:11:43,982 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:11:44,008 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:11:44,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:44 BoogieIcfgContainer [2018-11-18 15:11:44,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:11:44,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:11:44,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:11:44,012 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:11:44,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:11:43" (1/3) ... [2018-11-18 15:11:44,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1940a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:11:44, skipping insertion in model container [2018-11-18 15:11:44,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:43" (2/3) ... [2018-11-18 15:11:44,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1940a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:11:44, skipping insertion in model container [2018-11-18 15:11:44,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:44" (3/3) ... [2018-11-18 15:11:44,014 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072b_true-unreach-call.c [2018-11-18 15:11:44,020 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:11:44,025 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:11:44,034 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:11:44,054 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:11:44,054 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:11:44,054 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:11:44,055 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:11:44,055 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:11:44,055 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:11:44,055 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:11:44,055 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:11:44,055 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:11:44,066 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-11-18 15:11:44,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 15:11:44,071 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:44,072 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:44,073 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:44,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:44,076 INFO L82 PathProgramCache]: Analyzing trace with hash 68876533, now seen corresponding path program 1 times [2018-11-18 15:11:44,079 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:11:44,079 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/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 15:11:44,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:44,152 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:11:44,164 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 15:11:44,164 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:11:44,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:44,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:11:44,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:11:44,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:11:44,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:11:44,185 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-11-18 15:11:44,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:44,201 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2018-11-18 15:11:44,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:11:44,202 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 15:11:44,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:44,210 INFO L225 Difference]: With dead ends: 74 [2018-11-18 15:11:44,210 INFO L226 Difference]: Without dead ends: 37 [2018-11-18 15:11:44,213 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 15:11:44,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-18 15:11:44,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-18 15:11:44,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 15:11:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-11-18 15:11:44,243 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 19 [2018-11-18 15:11:44,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:44,244 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-11-18 15:11:44,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:11:44,244 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-11-18 15:11:44,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 15:11:44,245 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:44,245 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] [2018-11-18 15:11:44,245 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:44,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:44,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1200725332, now seen corresponding path program 1 times [2018-11-18 15:11:44,246 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:11:44,246 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/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 15:11:44,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:44,321 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:11:44,462 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 15:11:44,463 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:11:44,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:44,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:11:44,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:11:44,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:11:44,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:11:44,477 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 7 states. [2018-11-18 15:11:45,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:45,270 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2018-11-18 15:11:45,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 15:11:45,271 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-18 15:11:45,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:45,272 INFO L225 Difference]: With dead ends: 56 [2018-11-18 15:11:45,272 INFO L226 Difference]: Without dead ends: 33 [2018-11-18 15:11:45,273 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-18 15:11:45,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-18 15:11:45,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-18 15:11:45,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-18 15:11:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-11-18 15:11:45,277 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 20 [2018-11-18 15:11:45,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:45,277 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-11-18 15:11:45,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:11:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-11-18 15:11:45,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 15:11:45,278 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:45,278 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:45,278 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:45,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:45,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1223343894, now seen corresponding path program 1 times [2018-11-18 15:11:45,279 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:11:45,279 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/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 15:11:45,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:45,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:11:45,419 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 15:11:45,419 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:11:45,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:45,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:11:45,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:11:45,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:11:45,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:11:45,427 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 7 states. [2018-11-18 15:11:45,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:45,749 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-11-18 15:11:45,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 15:11:45,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-18 15:11:45,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:45,751 INFO L225 Difference]: With dead ends: 49 [2018-11-18 15:11:45,751 INFO L226 Difference]: Without dead ends: 31 [2018-11-18 15:11:45,752 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-18 15:11:45,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-18 15:11:45,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-18 15:11:45,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-18 15:11:45,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-11-18 15:11:45,757 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 22 [2018-11-18 15:11:45,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:45,757 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-11-18 15:11:45,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:11:45,757 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-11-18 15:11:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 15:11:45,758 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:45,758 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:45,758 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:45,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:45,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1600946695, now seen corresponding path program 1 times [2018-11-18 15:11:45,759 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:11:45,759 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/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 15:11:45,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:45,805 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:11:45,826 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2018-11-18 15:11:45,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-11-18 15:11:45,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-18 15:11:45,843 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 15:11:45,845 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 15:11:45,847 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 15:11:45,850 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 15:11:45,850 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2018-11-18 15:11:45,903 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 15:11:45,903 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:11:45,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:45,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:11:45,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:11:45,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:11:45,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:11:45,915 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 7 states. [2018-11-18 15:11:46,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:46,017 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-11-18 15:11:46,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:11:46,018 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-18 15:11:46,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:46,018 INFO L225 Difference]: With dead ends: 34 [2018-11-18 15:11:46,018 INFO L226 Difference]: Without dead ends: 31 [2018-11-18 15:11:46,019 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:11:46,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-18 15:11:46,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-18 15:11:46,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-18 15:11:46,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-11-18 15:11:46,022 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 22 [2018-11-18 15:11:46,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:46,022 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-11-18 15:11:46,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:11:46,023 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-11-18 15:11:46,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 15:11:46,023 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:46,023 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 15:11:46,024 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:46,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:46,024 INFO L82 PathProgramCache]: Analyzing trace with hash 995573959, now seen corresponding path program 1 times [2018-11-18 15:11:46,024 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:11:46,024 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/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 15:11:46,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:46,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:11:46,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-11-18 15:11:46,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-11-18 15:11:46,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-11-18 15:11:46,180 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 15:11:46,182 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 15:11:46,186 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 15:11:46,193 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 15:11:46,194 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2018-11-18 15:11:46,361 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 15:11:46,362 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 15:11:46,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-18 15:11:46,394 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 15:11:46,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2018-11-18 15:11:46,399 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 15:11:46,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-18 15:11:46,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-11-18 15:11:46,414 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 15:11:46,415 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 15:11:46,417 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 15:11:46,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 15:11:46,423 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:14 [2018-11-18 15:11:46,601 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 15:11:46,602 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:11:46,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:46,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-18 15:11:46,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 15:11:46,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 15:11:46,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-11-18 15:11:46,611 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 15 states. [2018-11-18 15:11:47,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:47,410 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-11-18 15:11:47,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 15:11:47,411 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2018-11-18 15:11:47,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:47,411 INFO L225 Difference]: With dead ends: 31 [2018-11-18 15:11:47,411 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:11:47,412 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2018-11-18 15:11:47,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:11:47,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:11:47,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:11:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:11:47,413 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-11-18 15:11:47,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:47,413 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:11:47,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 15:11:47,413 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:11:47,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:11:47,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:11:47,625 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2018-11-18 15:11:47,741 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2018-11-18 15:11:47,743 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:11:47,743 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:11:47,743 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:11:47,743 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-11-18 15:11:47,743 INFO L421 ceAbstractionStarter]: At program point L65-3(lines 65 69) the Hoare annotation is: (= |__signbit_double_#in~x| __signbit_double_~x) [2018-11-18 15:11:47,743 INFO L425 ceAbstractionStarter]: For program point L65-4(lines 65 69) no Hoare annotation was computed. [2018-11-18 15:11:47,743 INFO L425 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 62 72) no Hoare annotation was computed. [2018-11-18 15:11:47,743 INFO L425 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 62 72) no Hoare annotation was computed. [2018-11-18 15:11:47,743 INFO L428 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 62 72) the Hoare annotation is: true [2018-11-18 15:11:47,744 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:11:47,744 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 15:11:47,744 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:11:47,744 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:11:47,744 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 74 91) the Hoare annotation is: true [2018-11-18 15:11:47,744 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 74 91) no Hoare annotation was computed. [2018-11-18 15:11:47,744 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 86) no Hoare annotation was computed. [2018-11-18 15:11:47,744 INFO L425 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-11-18 15:11:47,744 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 15:11:47,745 INFO L421 ceAbstractionStarter]: At program point L85-1(line 85) the Hoare annotation is: (and |main_#t~short14| (exists ((v_prenex_9 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_prenex_9)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) main_~res~0))) (= (_ +zero 11 53) main_~x~0)) [2018-11-18 15:11:47,745 INFO L425 ceAbstractionStarter]: For program point L85-2(line 85) no Hoare annotation was computed. [2018-11-18 15:11:47,745 INFO L421 ceAbstractionStarter]: At program point L82(line 82) the Hoare annotation is: (= (_ +zero 11 53) main_~x~0) [2018-11-18 15:11:47,745 INFO L425 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2018-11-18 15:11:47,745 INFO L425 ceAbstractionStarter]: For program point L85-4(lines 85 88) no Hoare annotation was computed. [2018-11-18 15:11:47,745 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 74 91) no Hoare annotation was computed. [2018-11-18 15:11:47,745 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 46) no Hoare annotation was computed. [2018-11-18 15:11:47,745 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2018-11-18 15:11:47,745 INFO L421 ceAbstractionStarter]: At program point L52-3(lines 52 57) the Hoare annotation is: (and (exists ((v_prenex_7 (_ BitVec 64))) (and (not (bvslt (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32)) (_ bv4294966273 32)) (_ bv20 32))) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|))) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|) (= (bvadd trunc_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32))))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-11-18 15:11:47,746 INFO L425 ceAbstractionStarter]: For program point L48(lines 48 50) no Hoare annotation was computed. [2018-11-18 15:11:47,746 INFO L425 ceAbstractionStarter]: For program point L52-4(lines 30 58) no Hoare annotation was computed. [2018-11-18 15:11:47,746 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 32 37) no Hoare annotation was computed. [2018-11-18 15:11:47,746 INFO L421 ceAbstractionStarter]: At program point L32-3(lines 32 37) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= trunc_double_~signbit~0 (bvand (_ bv2147483648 32) ((_ extract 63 32) v_prenex_9))) (= (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9)) |trunc_double_#in~x|))) (exists ((v_prenex_8 (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_8)) (_ bv20 32)) (_ bv4294966273 32)) trunc_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8)) |trunc_double_#in~x|))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-11-18 15:11:47,746 INFO L428 ceAbstractionStarter]: At program point trunc_doubleENTRY(lines 17 60) the Hoare annotation is: true [2018-11-18 15:11:47,746 INFO L425 ceAbstractionStarter]: For program point trunc_doubleEXIT(lines 17 60) no Hoare annotation was computed. [2018-11-18 15:11:47,746 INFO L425 ceAbstractionStarter]: For program point trunc_doubleFINAL(lines 17 60) no Hoare annotation was computed. [2018-11-18 15:11:47,746 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 58) no Hoare annotation was computed. [2018-11-18 15:11:47,746 INFO L425 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2018-11-18 15:11:47,746 INFO L421 ceAbstractionStarter]: At program point L22-3(lines 22 27) the Hoare annotation is: (= trunc_double_~x |trunc_double_#in~x|) [2018-11-18 15:11:47,747 INFO L425 ceAbstractionStarter]: For program point L22-4(lines 22 27) no Hoare annotation was computed. [2018-11-18 15:11:47,747 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-11-18 15:11:47,747 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 39 45) no Hoare annotation was computed. [2018-11-18 15:11:47,747 INFO L421 ceAbstractionStarter]: At program point L39-3(lines 39 45) the Hoare annotation is: (and (exists ((v_prenex_8 (_ BitVec 64))) (and (not (bvslt (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_8)) (_ bv20 32)) (_ bv4294966273 32)) (_ bv0 32))) (= (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8)) |trunc_double_#in~x|))) (exists ((v_prenex_8 (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_8)) (_ bv20 32)) (_ bv4294966273 32)) trunc_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8)) |trunc_double_#in~x|))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-11-18 15:11:47,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,753 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,753 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,753 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,753 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,753 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,758 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,758 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,758 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,759 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,759 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,759 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,759 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,759 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,759 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,759 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,759 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,760 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,761 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,761 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,761 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,761 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,762 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,762 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,762 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,762 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,762 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,763 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,763 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,763 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,763 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,764 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,764 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,764 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,764 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,764 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,764 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,765 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,765 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,765 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,765 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,765 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,766 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,767 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,767 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,767 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,767 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,768 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,768 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,768 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,768 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,768 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,769 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,769 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,769 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,770 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,770 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,770 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,770 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,770 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,771 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,771 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,771 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,771 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,771 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,772 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:11:47 BoogieIcfgContainer [2018-11-18 15:11:47,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:11:47,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:11:47,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:11:47,774 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:11:47,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:44" (3/4) ... [2018-11-18 15:11:47,777 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:11:47,782 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:11:47,782 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-11-18 15:11:47,782 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:11:47,782 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_double [2018-11-18 15:11:47,786 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2018-11-18 15:11:47,786 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-18 15:11:47,786 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 15:11:47,804 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 15:11:47,804 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 15:11:47,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_9 : bv64 :: signbit == ~bvand32(2147483648bv32, v_prenex_9[63:32]) && ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-11-18 15:11:47,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_8 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32), 0bv32) && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-11-18 15:11:47,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_7 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) && (\exists v_prenex_7 : bv64 :: ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-11-18 15:11:47,823 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_50157771-037e-4943-a5da-3b2fb3b36ad0/bin-2019/utaipan/witness.graphml [2018-11-18 15:11:47,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:11:47,824 INFO L168 Benchmark]: Toolchain (without parser) took 4423.98 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 949.7 MB in the beginning and 899.2 MB in the end (delta: 50.5 MB). Peak memory consumption was 287.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:47,824 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 15:11:47,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.73 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:47,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.03 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:11:47,825 INFO L168 Benchmark]: Boogie Preprocessor took 26.55 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:11:47,825 INFO L168 Benchmark]: RCFGBuilder took 365.79 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 933.6 MB in the beginning and 1.2 GB in the end (delta: -275.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:47,825 INFO L168 Benchmark]: TraceAbstraction took 3764.24 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 909.3 MB in the end (delta: 299.7 MB). Peak memory consumption was 299.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:47,826 INFO L168 Benchmark]: Witness Printer took 49.22 ms. Allocated memory is still 1.3 GB. Free memory was 909.3 MB in the beginning and 899.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:47,828 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 196.73 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 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 18.03 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.55 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 365.79 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 933.6 MB in the beginning and 1.2 GB in the end (delta: -275.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3764.24 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 909.3 MB in the end (delta: 299.7 MB). Peak memory consumption was 299.7 MB. Max. memory is 11.5 GB. * Witness Printer took 49.22 ms. Allocated memory is still 1.3 GB. Free memory was 909.3 MB in the beginning and 899.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 86]: 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: 52]: Loop Invariant [2018-11-18 15:11:47,831 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,831 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,831 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,831 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,832 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,832 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,832 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,832 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,832 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,832 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,832 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,832 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,833 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,833 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,833 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,833 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,833 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,833 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,833 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,833 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,833 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,834 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,834 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,834 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_7 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) && (\exists v_prenex_7 : bv64 :: ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - InvariantResult [Line: 32]: Loop Invariant [2018-11-18 15:11:47,834 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,834 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,834 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,834 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,834 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,835 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,835 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,835 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,835 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,835 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,835 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,835 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,835 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,835 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,836 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,836 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 15:11:47,836 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,836 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,836 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,836 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,836 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,836 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,837 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,837 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_9 : bv64 :: signbit == ~bvand32(2147483648bv32, v_prenex_9[63:32]) && ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 39]: Loop Invariant [2018-11-18 15:11:47,837 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,837 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,837 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,839 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,839 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,839 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,839 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,839 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,839 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,839 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,839 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 15:11:47,839 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,839 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,839 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 15:11:47,840 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_8 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32), 0bv32) && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 142 SDtfs, 120 SDslu, 510 SDs, 0 SdLazy, 239 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 19 PreInvPairs, 25 NumberOfFragments, 236 HoareAnnotationTreeSize, 19 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 93 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 108 ConstructedInterpolants, 40 QuantifiedInterpolants, 23989 SizeOfPredicates, 21 NumberOfNonLiveVariables, 313 ConjunctsInSsa, 41 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...