./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0740_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_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/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 77a01f137667344720fd98189387bfe86c106b2a ............................................................................................................................................................................................................................................................................................................................ 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_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/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 77a01f137667344720fd98189387bfe86c106b2a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:18:33,178 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:18:33,180 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:18:33,198 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:18:33,205 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:18:33,207 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:18:33,207 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:18:33,209 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:18:33,216 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:18:33,217 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:18:33,217 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:18:33,217 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:18:33,218 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:18:33,219 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:18:33,219 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:18:33,220 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:18:33,220 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:18:33,221 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:18:33,243 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:18:33,244 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:18:33,245 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:18:33,245 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:18:33,248 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:18:33,248 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:18:33,248 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:18:33,249 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:18:33,249 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:18:33,250 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:18:33,250 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:18:33,251 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:18:33,251 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:18:33,252 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:18:33,252 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:18:33,252 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:18:33,253 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:18:33,253 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:18:33,253 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:18:33,265 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:18:33,265 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:18:33,266 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:18:33,266 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:18:33,266 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:18:33,267 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:18:33,267 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:18:33,267 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:18:33,267 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:18:33,267 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:18:33,267 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:18:33,267 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:18:33,268 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:18:33,268 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:18:33,268 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:18:33,268 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:18:33,268 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:18:33,269 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:18:33,269 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:18:33,269 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:18:33,269 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:18:33,269 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:18:33,269 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:18:33,269 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:18:33,272 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:18:33,272 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:18:33,272 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:18:33,272 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:18:33,272 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:18:33,272 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:18:33,272 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:18:33,273 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:18:33,273 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:18:33,273 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:18:33,273 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:18:33,273 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:18:33,273 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:18:33,273 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_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/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 -> 77a01f137667344720fd98189387bfe86c106b2a [2018-11-18 17:18:33,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:18:33,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:18:33,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:18:33,320 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:18:33,321 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:18:33,322 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-11-18 17:18:33,376 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/data/429be9699/5971a76da5d942c6ba9bf6a6772832cf/FLAGc99224e92 [2018-11-18 17:18:33,792 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:18:33,805 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-11-18 17:18:33,811 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/data/429be9699/5971a76da5d942c6ba9bf6a6772832cf/FLAGc99224e92 [2018-11-18 17:18:33,826 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/data/429be9699/5971a76da5d942c6ba9bf6a6772832cf [2018-11-18 17:18:33,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:18:33,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:18:33,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:18:33,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:18:33,836 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:18:33,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:18:33" (1/1) ... [2018-11-18 17:18:33,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152c3ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:33, skipping insertion in model container [2018-11-18 17:18:33,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:18:33" (1/1) ... [2018-11-18 17:18:33,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:18:33,893 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:18:34,132 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:18:34,135 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:18:34,170 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:18:34,192 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:18:34,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:34 WrapperNode [2018-11-18 17:18:34,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:18:34,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:18:34,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:18:34,194 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:18:34,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:34" (1/1) ... [2018-11-18 17:18:34,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:34" (1/1) ... [2018-11-18 17:18:34,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:18:34,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:18:34,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:18:34,292 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:18:34,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:34" (1/1) ... [2018-11-18 17:18:34,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:34" (1/1) ... [2018-11-18 17:18:34,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:34" (1/1) ... [2018-11-18 17:18:34,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:34" (1/1) ... [2018-11-18 17:18:34,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:34" (1/1) ... [2018-11-18 17:18:34,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:34" (1/1) ... [2018-11-18 17:18:34,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:34" (1/1) ... [2018-11-18 17:18:34,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:18:34,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:18:34,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:18:34,340 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:18:34,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/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 17:18:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 17:18:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 17:18:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:18:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:18:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 17:18:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 17:18:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-18 17:18:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-18 17:18:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:18:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:18:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 17:18:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:18:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:18:34,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:18:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 17:18:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:18:35,025 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:18:35,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:35 BoogieIcfgContainer [2018-11-18 17:18:35,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:18:35,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:18:35,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:18:35,028 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:18:35,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:18:33" (1/3) ... [2018-11-18 17:18:35,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632e120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:18:35, skipping insertion in model container [2018-11-18 17:18:35,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:34" (2/3) ... [2018-11-18 17:18:35,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632e120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:18:35, skipping insertion in model container [2018-11-18 17:18:35,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:35" (3/3) ... [2018-11-18 17:18:35,036 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740_true-unreach-call.c [2018-11-18 17:18:35,044 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:18:35,053 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:18:35,067 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:18:35,100 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:18:35,100 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:18:35,100 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:18:35,100 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:18:35,100 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:18:35,100 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:18:35,100 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:18:35,101 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:18:35,114 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2018-11-18 17:18:35,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:18:35,120 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:35,121 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 17:18:35,122 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:35,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:35,126 INFO L82 PathProgramCache]: Analyzing trace with hash -595701756, now seen corresponding path program 1 times [2018-11-18 17:18:35,128 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:18:35,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:18:35,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:35,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:18:35,161 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:18:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:35,233 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 17:18:35,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:35,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:18:35,235 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:18:35,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:18:35,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:18:35,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:18:35,253 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2018-11-18 17:18:35,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:35,276 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2018-11-18 17:18:35,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:18:35,278 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-18 17:18:35,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:35,289 INFO L225 Difference]: With dead ends: 124 [2018-11-18 17:18:35,290 INFO L226 Difference]: Without dead ends: 62 [2018-11-18 17:18:35,293 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 17:18:35,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-18 17:18:35,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-11-18 17:18:35,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-18 17:18:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 81 transitions. [2018-11-18 17:18:35,335 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 81 transitions. Word has length 20 [2018-11-18 17:18:35,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:35,336 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 81 transitions. [2018-11-18 17:18:35,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:18:35,336 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2018-11-18 17:18:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:18:35,337 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:35,337 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:18:35,337 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:35,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:35,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1587988676, now seen corresponding path program 1 times [2018-11-18 17:18:35,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:18:35,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:18:35,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:35,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:18:35,344 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:18:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:18:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:18:35,426 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 17:18:35,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:18:35 BoogieIcfgContainer [2018-11-18 17:18:35,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:18:35,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:18:35,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:18:35,450 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:18:35,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:35" (3/4) ... [2018-11-18 17:18:35,454 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 17:18:35,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:18:35,455 INFO L168 Benchmark]: Toolchain (without parser) took 1623.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 960.7 MB in the beginning and 1.0 GB in the end (delta: -85.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:35,457 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:18:35,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 944.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:35,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:35,459 INFO L168 Benchmark]: Boogie Preprocessor took 47.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:35,459 INFO L168 Benchmark]: RCFGBuilder took 685.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:35,460 INFO L168 Benchmark]: TraceAbstraction took 423.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:35,460 INFO L168 Benchmark]: Witness Printer took 4.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:18:35,462 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 944.6 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 98.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 685.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 423.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 144]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 32. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=15, \old(tiny_sqrt)=11, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = -1.0 / 0.0; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L140] CALL, EXPR __ieee754_sqrt(x) VAL [\old(x)=16, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=16, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=16] [L26] FCALL ieee_double_shape_type ew_u; [L27] FCALL ew_u.value = (x) [L28] EXPR, FCALL ew_u.parts.msw [L28] (ix0) = ew_u.parts.msw [L29] EXPR, FCALL ew_u.parts.lsw [L29] (ix1) = ew_u.parts.lsw [L30] COND FALSE !(0) VAL [\old(x)=16, ix0=3, ix1=10, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=16] [L32] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L33] RET return x * x + x; VAL [\old(x)=16, ix0=3, ix1=10, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=16] [L140] EXPR __ieee754_sqrt(x) VAL [__ieee754_sqrt(x)=14, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=16] [L140] double res = __ieee754_sqrt(x); [L143] CALL, EXPR isnan_double(res) VAL [\old(x)=14, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L130] RET return x != x; VAL [\old(x)=14, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=14] [L143] EXPR isnan_double(res) VAL [isnan_double(res)=0, one_sqrt=1, res=14, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=16] [L143] COND TRUE !isnan_double(res) [L144] __VERIFIER_error() VAL [one_sqrt=1, res=14, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=16] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 66 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 85 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=66occurred 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, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 361 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 17:18:37,639 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:18:37,640 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:18:37,656 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:18:37,657 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:18:37,664 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:18:37,666 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:18:37,667 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:18:37,668 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:18:37,669 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:18:37,669 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:18:37,671 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:18:37,673 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:18:37,674 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:18:37,677 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:18:37,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:18:37,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:18:37,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:18:37,681 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:18:37,682 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:18:37,686 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:18:37,687 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:18:37,689 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:18:37,689 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:18:37,689 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:18:37,694 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:18:37,694 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:18:37,695 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:18:37,695 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:18:37,696 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:18:37,696 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:18:37,697 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:18:37,697 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:18:37,697 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:18:37,698 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:18:37,698 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:18:37,698 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 17:18:37,709 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:18:37,722 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:18:37,722 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:18:37,722 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:18:37,723 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:18:37,723 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:18:37,723 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:18:37,723 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:18:37,723 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:18:37,723 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:18:37,723 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:18:37,724 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:18:37,724 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:18:37,724 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:18:37,724 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:18:37,724 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:18:37,724 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:18:37,724 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:18:37,724 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:18:37,724 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:18:37,725 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:18:37,725 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:18:37,725 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:18:37,725 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:18:37,725 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:18:37,725 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:18:37,725 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:18:37,725 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:18:37,725 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:18:37,728 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:18:37,728 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:18:37,728 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:18:37,728 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:18:37,729 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:18:37,729 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 17:18:37,729 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_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/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 -> 77a01f137667344720fd98189387bfe86c106b2a [2018-11-18 17:18:37,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:18:37,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:18:37,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:18:37,805 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:18:37,805 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:18:37,806 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-11-18 17:18:37,863 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/data/d3ee00626/f536fba261094048bf4be57ce5e284d2/FLAGc05916f82 [2018-11-18 17:18:38,245 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:18:38,246 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-11-18 17:18:38,252 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/data/d3ee00626/f536fba261094048bf4be57ce5e284d2/FLAGc05916f82 [2018-11-18 17:18:38,264 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/data/d3ee00626/f536fba261094048bf4be57ce5e284d2 [2018-11-18 17:18:38,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:18:38,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:18:38,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:18:38,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:18:38,272 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:18:38,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:18:38" (1/1) ... [2018-11-18 17:18:38,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2623f0db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38, skipping insertion in model container [2018-11-18 17:18:38,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:18:38" (1/1) ... [2018-11-18 17:18:38,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:18:38,323 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:18:38,563 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:18:38,571 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:18:38,619 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:18:38,664 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:18:38,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38 WrapperNode [2018-11-18 17:18:38,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:18:38,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:18:38,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:18:38,666 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:18:38,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ... [2018-11-18 17:18:38,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ... [2018-11-18 17:18:38,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:18:38,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:18:38,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:18:38,688 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:18:38,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ... [2018-11-18 17:18:38,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ... [2018-11-18 17:18:38,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ... [2018-11-18 17:18:38,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ... [2018-11-18 17:18:38,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ... [2018-11-18 17:18:38,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ... [2018-11-18 17:18:38,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ... [2018-11-18 17:18:38,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:18:38,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:18:38,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:18:38,747 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:18:38,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/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 17:18:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 17:18:38,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 17:18:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 17:18:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 17:18:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:18:38,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:18:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-18 17:18:38,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-18 17:18:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:18:38,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:18:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:18:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 17:18:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:18:38,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:18:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 17:18:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:18:39,055 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:18:42,080 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:18:42,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:42 BoogieIcfgContainer [2018-11-18 17:18:42,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:18:42,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:18:42,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:18:42,084 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:18:42,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:18:38" (1/3) ... [2018-11-18 17:18:42,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368ea61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:18:42, skipping insertion in model container [2018-11-18 17:18:42,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (2/3) ... [2018-11-18 17:18:42,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368ea61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:18:42, skipping insertion in model container [2018-11-18 17:18:42,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:42" (3/3) ... [2018-11-18 17:18:42,088 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740_true-unreach-call.c [2018-11-18 17:18:42,099 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:18:42,109 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:18:42,124 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:18:42,152 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:18:42,153 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:18:42,153 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:18:42,153 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:18:42,153 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:18:42,154 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:18:42,154 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:18:42,155 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:18:42,155 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:18:42,170 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-11-18 17:18:42,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 17:18:42,179 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:42,180 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 17:18:42,182 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:42,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:42,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1675336640, now seen corresponding path program 1 times [2018-11-18 17:18:42,188 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:18:42,189 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/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 17:18:42,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:42,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:18:42,669 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 17:18:42,669 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:18:42,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:42,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:18:42,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:18:42,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:18:42,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:18:42,703 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2018-11-18 17:18:42,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:42,721 INFO L93 Difference]: Finished difference Result 122 states and 178 transitions. [2018-11-18 17:18:42,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:18:42,723 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 17:18:42,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:42,732 INFO L225 Difference]: With dead ends: 122 [2018-11-18 17:18:42,732 INFO L226 Difference]: Without dead ends: 61 [2018-11-18 17:18:42,735 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 17:18:42,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-18 17:18:42,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-11-18 17:18:42,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-18 17:18:42,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2018-11-18 17:18:42,775 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 19 [2018-11-18 17:18:42,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:42,776 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2018-11-18 17:18:42,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:18:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-11-18 17:18:42,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:18:42,778 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:42,778 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 17:18:42,778 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:42,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:42,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1371512956, now seen corresponding path program 1 times [2018-11-18 17:18:42,780 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:18:42,780 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/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 17:18:42,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:43,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:18:45,300 WARN L832 $PredicateComparison]: unable to prove that (= |c___ieee754_sqrt_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven |c___ieee754_sqrt_#in~x| |c___ieee754_sqrt_#in~x|) |c___ieee754_sqrt_#in~x|)) is different from false [2018-11-18 17:18:47,099 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 17:18:47,099 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:18:47,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:47,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 17:18:47,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:18:47,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:18:47,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2018-11-18 17:18:47,116 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand 9 states. [2018-11-18 17:18:51,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:51,737 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2018-11-18 17:18:51,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 17:18:51,737 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-11-18 17:18:51,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:51,739 INFO L225 Difference]: With dead ends: 68 [2018-11-18 17:18:51,739 INFO L226 Difference]: Without dead ends: 61 [2018-11-18 17:18:51,740 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=19, Invalid=56, Unknown=1, NotChecked=14, Total=90 [2018-11-18 17:18:51,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-18 17:18:51,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-11-18 17:18:51,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-18 17:18:51,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 79 transitions. [2018-11-18 17:18:51,754 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 79 transitions. Word has length 20 [2018-11-18 17:18:51,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:51,754 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 79 transitions. [2018-11-18 17:18:51,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:18:51,755 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2018-11-18 17:18:51,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 17:18:51,755 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:51,755 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 17:18:51,756 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:51,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:51,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1806328000, now seen corresponding path program 1 times [2018-11-18 17:18:51,756 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:18:51,757 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/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 17:18:51,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:51,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:18:51,913 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:18:51,914 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:18:51,919 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 17:18:51,975 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:18:51,985 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 17:18:51,987 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:18:52,013 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 17:18:52,020 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 17:18:52,020 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 17:18:52,023 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:18:52,028 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 17:18:52,065 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 17:18:52,065 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:14 [2018-11-18 17:18:52,168 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 17:18:52,168 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:18:52,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:52,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:18:52,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:18:52,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:18:52,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:18:52,184 INFO L87 Difference]: Start difference. First operand 61 states and 79 transitions. Second operand 6 states. [2018-11-18 17:18:55,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:55,440 INFO L93 Difference]: Finished difference Result 70 states and 90 transitions. [2018-11-18 17:18:55,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:18:55,444 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-18 17:18:55,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:55,444 INFO L225 Difference]: With dead ends: 70 [2018-11-18 17:18:55,444 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:18:55,445 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:18:55,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:18:55,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:18:55,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:18:55,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:18:55,445 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-11-18 17:18:55,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:55,446 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:18:55,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:18:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:18:55,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:18:55,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:18:55,704 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 19 127) the Hoare annotation is: true [2018-11-18 17:18:55,704 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 19 127) no Hoare annotation was computed. [2018-11-18 17:18:55,704 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 94) no Hoare annotation was computed. [2018-11-18 17:18:55,704 INFO L425 ceAbstractionStarter]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2018-11-18 17:18:55,704 INFO L425 ceAbstractionStarter]: For program point L44(lines 44 55) no Hoare annotation was computed. [2018-11-18 17:18:55,704 INFO L425 ceAbstractionStarter]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2018-11-18 17:18:55,705 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 113) no Hoare annotation was computed. [2018-11-18 17:18:55,705 INFO L425 ceAbstractionStarter]: For program point L36(lines 36 41) no Hoare annotation was computed. [2018-11-18 17:18:55,705 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 69 79) no Hoare annotation was computed. [2018-11-18 17:18:55,705 INFO L425 ceAbstractionStarter]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2018-11-18 17:18:55,705 INFO L421 ceAbstractionStarter]: At program point L69-3(lines 69 79) the Hoare annotation is: (and (exists ((v_prenex_5 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |__ieee754_sqrt_#in~x|) (not (= (_ bv2146435072 32) (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_5)))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-11-18 17:18:55,705 INFO L425 ceAbstractionStarter]: For program point L69-4(lines 69 79) no Hoare annotation was computed. [2018-11-18 17:18:55,705 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 45 49) no Hoare annotation was computed. [2018-11-18 17:18:55,705 INFO L421 ceAbstractionStarter]: At program point L45-3(lines 45 49) the Hoare annotation is: (and (exists ((v_prenex_5 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |__ieee754_sqrt_#in~x|) (not (= (_ bv2146435072 32) (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_5)))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-11-18 17:18:55,705 INFO L425 ceAbstractionStarter]: For program point L45-4(lines 45 49) no Hoare annotation was computed. [2018-11-18 17:18:55,706 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 40) no Hoare annotation was computed. [2018-11-18 17:18:55,706 INFO L425 ceAbstractionStarter]: For program point L87(lines 87 88) no Hoare annotation was computed. [2018-11-18 17:18:55,706 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 125) no Hoare annotation was computed. [2018-11-18 17:18:55,706 INFO L425 ceAbstractionStarter]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2018-11-18 17:18:55,706 INFO L421 ceAbstractionStarter]: At program point L120-3(lines 120 125) the Hoare annotation is: (and (exists ((v_prenex_5 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |__ieee754_sqrt_#in~x|) (not (= (_ bv2146435072 32) (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_5)))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-11-18 17:18:55,706 INFO L425 ceAbstractionStarter]: For program point L120-4(lines 120 125) no Hoare annotation was computed. [2018-11-18 17:18:55,706 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2018-11-18 17:18:55,706 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 75) no Hoare annotation was computed. [2018-11-18 17:18:55,706 INFO L425 ceAbstractionStarter]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2018-11-18 17:18:55,706 INFO L425 ceAbstractionStarter]: For program point L39(lines 39 40) no Hoare annotation was computed. [2018-11-18 17:18:55,706 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 19 127) no Hoare annotation was computed. [2018-11-18 17:18:55,707 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-11-18 17:18:55,707 INFO L425 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-11-18 17:18:55,707 INFO L425 ceAbstractionStarter]: For program point L82-1(lines 82 98) no Hoare annotation was computed. [2018-11-18 17:18:55,707 INFO L421 ceAbstractionStarter]: At program point L82-3(lines 82 98) the Hoare annotation is: (and (exists ((v_prenex_5 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |__ieee754_sqrt_#in~x|) (not (= (_ bv2146435072 32) (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_5)))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-11-18 17:18:55,707 INFO L425 ceAbstractionStarter]: For program point L82-4(lines 19 127) no Hoare annotation was computed. [2018-11-18 17:18:55,707 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-11-18 17:18:55,707 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 61) no Hoare annotation was computed. [2018-11-18 17:18:55,707 INFO L425 ceAbstractionStarter]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2018-11-18 17:18:55,707 INFO L425 ceAbstractionStarter]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2018-11-18 17:18:55,707 INFO L421 ceAbstractionStarter]: At program point L25-3(lines 25 30) the Hoare annotation is: (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) [2018-11-18 17:18:55,708 INFO L425 ceAbstractionStarter]: For program point L25-4(lines 19 127) no Hoare annotation was computed. [2018-11-18 17:18:55,708 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 51) no Hoare annotation was computed. [2018-11-18 17:18:55,708 INFO L425 ceAbstractionStarter]: For program point L50-3(lines 50 51) no Hoare annotation was computed. [2018-11-18 17:18:55,708 INFO L421 ceAbstractionStarter]: At program point L50-4(lines 50 51) the Hoare annotation is: (and (exists ((v_prenex_5 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |__ieee754_sqrt_#in~x|) (not (= (_ bv2146435072 32) (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_5)))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-11-18 17:18:55,708 INFO L425 ceAbstractionStarter]: For program point L50-5(lines 50 51) no Hoare annotation was computed. [2018-11-18 17:18:55,708 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 109) no Hoare annotation was computed. [2018-11-18 17:18:55,708 INFO L425 ceAbstractionStarter]: For program point L108-2(lines 108 109) no Hoare annotation was computed. [2018-11-18 17:18:55,708 INFO L425 ceAbstractionStarter]: For program point L100(lines 100 114) no Hoare annotation was computed. [2018-11-18 17:18:55,709 INFO L425 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2018-11-18 17:18:55,709 INFO L425 ceAbstractionStarter]: For program point L117-2(lines 117 118) no Hoare annotation was computed. [2018-11-18 17:18:55,709 INFO L428 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 130) the Hoare annotation is: true [2018-11-18 17:18:55,709 INFO L425 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 130) no Hoare annotation was computed. [2018-11-18 17:18:55,709 INFO L425 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 130) no Hoare annotation was computed. [2018-11-18 17:18:55,709 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:18:55,709 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:18:55,709 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:18:55,709 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:18:55,710 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 17:18:55,710 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:18:55,710 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:18:55,710 INFO L425 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-18 17:18:55,710 INFO L421 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) main_~res~0) [2018-11-18 17:18:55,710 INFO L425 ceAbstractionStarter]: For program point L143-1(lines 143 146) no Hoare annotation was computed. [2018-11-18 17:18:55,710 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 132 149) the Hoare annotation is: true [2018-11-18 17:18:55,711 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 132 149) no Hoare annotation was computed. [2018-11-18 17:18:55,711 INFO L421 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) [2018-11-18 17:18:55,711 INFO L425 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2018-11-18 17:18:55,711 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 132 149) no Hoare annotation was computed. [2018-11-18 17:18:55,711 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2018-11-18 17:18:55,716 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,716 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,717 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,717 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,722 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,722 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,722 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,723 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,723 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,723 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,724 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,724 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,724 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,724 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,725 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,725 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,725 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,725 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,726 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,726 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,726 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,727 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,727 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,727 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,730 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,730 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,730 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,730 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,731 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,731 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,731 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,731 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,731 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,732 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,732 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,732 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,732 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,732 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:18:55 BoogieIcfgContainer [2018-11-18 17:18:55,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:18:55,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:18:55,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:18:55,735 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:18:55,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:42" (3/4) ... [2018-11-18 17:18:55,738 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:18:55,744 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-11-18 17:18:55,745 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-18 17:18:55,745 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:18:55,745 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:18:55,749 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2018-11-18 17:18:55,749 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 17:18:55,749 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:18:55,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 17:18:55,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && !(2146435072bv32 == ~bvand32(2146435072bv32, v_prenex_5[63:32]))) && x == \old(x) [2018-11-18 17:18:55,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && !(2146435072bv32 == ~bvand32(2146435072bv32, v_prenex_5[63:32]))) && x == \old(x) [2018-11-18 17:18:55,773 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && !(2146435072bv32 == ~bvand32(2146435072bv32, v_prenex_5[63:32]))) && x == \old(x) [2018-11-18 17:18:55,773 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && !(2146435072bv32 == ~bvand32(2146435072bv32, v_prenex_5[63:32]))) && x == \old(x) [2018-11-18 17:18:55,773 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && !(2146435072bv32 == ~bvand32(2146435072bv32, v_prenex_5[63:32]))) && x == \old(x) [2018-11-18 17:18:55,813 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_601f0dbd-85cc-4ce2-98bf-989e31f4ac6f/bin-2019/utaipan/witness.graphml [2018-11-18 17:18:55,813 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:18:55,814 INFO L168 Benchmark]: Toolchain (without parser) took 17546.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.9 MB in the beginning and 970.7 MB in the end (delta: -18.9 MB). Peak memory consumption was 121.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:55,815 INFO L168 Benchmark]: CDTParser took 0.54 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 17:18:55,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.54 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:55,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.42 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:18:55,816 INFO L168 Benchmark]: Boogie Preprocessor took 58.35 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:55,817 INFO L168 Benchmark]: RCFGBuilder took 3334.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:55,817 INFO L168 Benchmark]: TraceAbstraction took 13652.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.8 MB in the end (delta: 114.3 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:55,817 INFO L168 Benchmark]: Witness Printer took 78.72 ms. Allocated memory is still 1.2 GB. Free memory was 977.8 MB in the beginning and 970.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:55,819 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 395.54 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 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 22.42 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.35 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3334.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13652.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.8 MB in the end (delta: 114.3 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. * Witness Printer took 78.72 ms. Allocated memory is still 1.2 GB. Free memory was 977.8 MB in the beginning and 970.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 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_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 144]: 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: 120]: Loop Invariant [2018-11-18 17:18:55,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && !(2146435072bv32 == ~bvand32(2146435072bv32, v_prenex_5[63:32]))) && x == \old(x) - InvariantResult [Line: 45]: Loop Invariant [2018-11-18 17:18:55,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && !(2146435072bv32 == ~bvand32(2146435072bv32, v_prenex_5[63:32]))) && x == \old(x) - InvariantResult [Line: 82]: Loop Invariant [2018-11-18 17:18:55,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && !(2146435072bv32 == ~bvand32(2146435072bv32, v_prenex_5[63:32]))) && x == \old(x) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 69]: Loop Invariant [2018-11-18 17:18:55,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,829 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,829 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,829 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,829 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,829 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && !(2146435072bv32 == ~bvand32(2146435072bv32, v_prenex_5[63:32]))) && x == \old(x) - InvariantResult [Line: 50]: Loop Invariant [2018-11-18 17:18:55,830 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,830 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,830 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,830 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,830 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,830 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,831 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 17:18:55,831 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && !(2146435072bv32 == ~bvand32(2146435072bv32, v_prenex_5[63:32]))) && x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 65 locations, 1 error locations. SAFE Result, 13.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 7.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 215 SDtfs, 211 SDslu, 490 SDs, 0 SdLazy, 104 SolverSat, 8 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 16 PreInvPairs, 25 NumberOfFragments, 155 HoareAnnotationTreeSize, 16 FomulaSimplifications, 76 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 6 QuantifiedInterpolants, 5632 SizeOfPredicates, 7 NumberOfNonLiveVariables, 184 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...