./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a_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_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/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 24454a63dcbe037d3881b00d978ef052e2dccebf ........................................................................................................................................................................................................................................................................................................................................................................................................................ 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_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/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 24454a63dcbe037d3881b00d978ef052e2dccebf ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:44:12,258 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:44:12,259 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:44:12,266 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:44:12,266 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:44:12,267 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:44:12,267 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:44:12,268 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:44:12,269 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:44:12,270 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:44:12,271 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:44:12,271 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:44:12,271 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:44:12,272 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:44:12,273 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:44:12,273 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:44:12,274 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:44:12,275 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:44:12,276 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:44:12,277 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:44:12,278 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:44:12,279 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:44:12,280 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:44:12,280 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:44:12,281 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:44:12,281 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:44:12,282 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:44:12,282 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:44:12,283 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:44:12,284 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:44:12,284 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:44:12,284 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:44:12,284 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:44:12,285 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:44:12,285 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:44:12,286 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:44:12,286 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:44:12,295 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:44:12,295 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:44:12,296 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:44:12,296 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:44:12,296 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:44:12,296 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:44:12,296 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:44:12,296 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:44:12,297 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:44:12,297 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:44:12,297 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:44:12,297 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:44:12,297 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:44:12,298 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:44:12,298 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:44:12,298 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:44:12,298 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:44:12,298 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:44:12,298 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:44:12,298 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:44:12,299 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:44:12,299 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:44:12,299 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:44:12,299 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:44:12,299 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:44:12,299 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:44:12,299 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:44:12,300 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:44:12,300 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:44:12,300 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:44:12,300 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:44:12,300 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:44:12,300 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:44:12,300 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:44:12,300 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:44:12,301 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:44:12,301 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:44:12,301 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_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/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 -> 24454a63dcbe037d3881b00d978ef052e2dccebf [2018-11-18 11:44:12,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:44:12,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:44:12,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:44:12,332 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:44:12,333 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:44:12,333 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0530a_true-unreach-call.c [2018-11-18 11:44:12,367 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/data/57cc552e1/8c41809dfed34dec8d9aa2352570ba92/FLAGc429d3ebd [2018-11-18 11:44:12,797 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:44:12,797 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/sv-benchmarks/c/float-newlib/float_req_bl_0530a_true-unreach-call.c [2018-11-18 11:44:12,803 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/data/57cc552e1/8c41809dfed34dec8d9aa2352570ba92/FLAGc429d3ebd [2018-11-18 11:44:12,810 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/data/57cc552e1/8c41809dfed34dec8d9aa2352570ba92 [2018-11-18 11:44:12,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:44:12,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:44:12,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:44:12,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:44:12,817 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:44:12,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:44:12" (1/1) ... [2018-11-18 11:44:12,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5feb133c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:12, skipping insertion in model container [2018-11-18 11:44:12,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:44:12" (1/1) ... [2018-11-18 11:44:12,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:44:12,858 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:44:13,044 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:44:13,064 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:44:13,177 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:44:13,204 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:44:13,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:13 WrapperNode [2018-11-18 11:44:13,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:44:13,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:44:13,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:44:13,205 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:44:13,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:13" (1/1) ... [2018-11-18 11:44:13,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:13" (1/1) ... [2018-11-18 11:44:13,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:44:13,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:44:13,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:44:13,237 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:44:13,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:13" (1/1) ... [2018-11-18 11:44:13,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:13" (1/1) ... [2018-11-18 11:44:13,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:13" (1/1) ... [2018-11-18 11:44:13,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:13" (1/1) ... [2018-11-18 11:44:13,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:13" (1/1) ... [2018-11-18 11:44:13,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:13" (1/1) ... [2018-11-18 11:44:13,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:13" (1/1) ... [2018-11-18 11:44:13,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:44:13,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:44:13,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:44:13,318 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:44:13,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/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 11:44:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2018-11-18 11:44:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2018-11-18 11:44:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2018-11-18 11:44:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2018-11-18 11:44:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:44:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:44:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 11:44:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 11:44:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2018-11-18 11:44:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2018-11-18 11:44:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure tan_float [2018-11-18 11:44:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_float [2018-11-18 11:44:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 11:44:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:44:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:44:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:44:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 11:44:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 11:44:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 11:44:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:44:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-11-18 11:44:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-11-18 11:44:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2018-11-18 11:44:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2018-11-18 11:44:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:44:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:44:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2018-11-18 11:44:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2018-11-18 11:44:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:44:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-18 11:44:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-18 11:44:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:44:16,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:44:16,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:16 BoogieIcfgContainer [2018-11-18 11:44:16,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:44:16,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:44:16,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:44:16,449 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:44:16,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:44:12" (1/3) ... [2018-11-18 11:44:16,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d93f310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:44:16, skipping insertion in model container [2018-11-18 11:44:16,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:13" (2/3) ... [2018-11-18 11:44:16,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d93f310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:44:16, skipping insertion in model container [2018-11-18 11:44:16,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:16" (3/3) ... [2018-11-18 11:44:16,452 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530a_true-unreach-call.c [2018-11-18 11:44:16,458 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:44:16,463 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:44:16,472 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:44:16,496 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:44:16,496 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:44:16,496 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:44:16,496 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:44:16,496 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:44:16,497 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:44:16,497 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:44:16,497 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:44:16,515 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2018-11-18 11:44:16,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:44:16,520 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:44:16,520 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:44:16,522 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:44:16,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:44:16,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1376678423, now seen corresponding path program 1 times [2018-11-18 11:44:16,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:44:16,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:44:16,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:44:16,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:44:16,556 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:44:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:16,729 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 11:44:16,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:44:16,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:44:16,731 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:44:16,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:44:16,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:44:16,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:44:16,744 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 2 states. [2018-11-18 11:44:16,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:44:16,789 INFO L93 Difference]: Finished difference Result 574 states and 907 transitions. [2018-11-18 11:44:16,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:44:16,790 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-18 11:44:16,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:44:16,800 INFO L225 Difference]: With dead ends: 574 [2018-11-18 11:44:16,801 INFO L226 Difference]: Without dead ends: 287 [2018-11-18 11:44:16,805 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 11:44:16,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-11-18 11:44:16,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2018-11-18 11:44:16,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2018-11-18 11:44:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 380 transitions. [2018-11-18 11:44:16,851 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 380 transitions. Word has length 18 [2018-11-18 11:44:16,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:44:16,851 INFO L480 AbstractCegarLoop]: Abstraction has 287 states and 380 transitions. [2018-11-18 11:44:16,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:44:16,851 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 380 transitions. [2018-11-18 11:44:16,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 11:44:16,852 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:44:16,852 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 11:44:16,852 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:44:16,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:44:16,852 INFO L82 PathProgramCache]: Analyzing trace with hash 508042627, now seen corresponding path program 1 times [2018-11-18 11:44:16,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:44:16,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:44:16,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:44:16,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:44:16,853 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:44:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:44:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:44:17,025 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:44:17,057 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# [2018-11-18 11:44:17,058 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450948 could not be translated for associated CType ARRAY#_3_~INT# [2018-11-18 11:44:17,059 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450964 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# [2018-11-18 11:44:17,059 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450977 could not be translated for associated CType ARRAY#_3_~INT# [2018-11-18 11:44:17,059 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-18 11:44:17,060 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450951 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# [2018-11-18 11:44:17,061 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450982 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# [2018-11-18 11:44:17,061 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450959 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-18 11:44:17,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:44:17 BoogieIcfgContainer [2018-11-18 11:44:17,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:44:17,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:44:17,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:44:17,077 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:44:17,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:16" (3/4) ... [2018-11-18 11:44:17,080 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:44:17,080 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:44:17,081 INFO L168 Benchmark]: Toolchain (without parser) took 4268.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 956.4 MB in the beginning and 847.8 MB in the end (delta: 108.6 MB). Peak memory consumption was 256.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:17,082 INFO L168 Benchmark]: CDTParser took 0.12 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 11:44:17,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:17,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:17,083 INFO L168 Benchmark]: Boogie Preprocessor took 80.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:17,084 INFO L168 Benchmark]: RCFGBuilder took 3128.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.9 MB in the end (delta: 196.1 MB). Peak memory consumption was 196.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:17,084 INFO L168 Benchmark]: TraceAbstraction took 629.05 ms. Allocated memory is still 1.2 GB. Free memory was 923.9 MB in the beginning and 847.8 MB in the end (delta: 76.0 MB). Peak memory consumption was 76.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:17,085 INFO L168 Benchmark]: Witness Printer took 3.94 ms. Allocated memory is still 1.2 GB. Free memory is still 847.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:44:17,087 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3128.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.9 MB in the end (delta: 196.1 MB). Peak memory consumption was 196.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 629.05 ms. Allocated memory is still 1.2 GB. Free memory was 923.9 MB in the beginning and 847.8 MB in the end (delta: 76.0 MB). Peak memory consumption was 76.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.94 ms. Allocated memory is still 1.2 GB. Free memory is still 847.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450948 could not be translated for associated CType ARRAY#_3_~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450964 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450977 could not be translated for associated CType ARRAY#_3_~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450951 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450982 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450959 could not be translated for associated CType ARRAY#_11_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 627]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 626, overapproximation of someUnaryDOUBLEoperation at line 495, overapproximation of bitwiseAnd at line 589, overapproximation of someBinaryArithmeticFLOAToperation at line 594. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L77-L79] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L147] FCALL static const int init_jk_krempio[] = {4, 7, 9}; [L149-L153] FCALL static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L155-L157] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L360-L369] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L489-L497] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L332-L350] FCALL static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L352-L358] FCALL static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; VAL [\old(half_rempio)=6442450958, \old(huge_floor)=6442450972, \old(huge_scalbn)=6442450966, \old(init_jk_krempio)=null, \old(init_jk_krempio)=null, \old(invpio2_rempio)=6442450960, \old(npio2_hw_rempio)=null, \old(npio2_hw_rempio)=null, \old(one_krempio)=6442450981, \old(one_ktan)=6442450956, \old(pio2_1_rempio)=6442450947, \old(pio2_1t_rempio)=6442450954, \old(pio2_2_rempio)=6442450985, \old(pio2_2t_rempio)=6442450963, \old(pio2_3_rempio)=6442450973, \old(pio2_3t_rempio)=6442450953, \old(PIo2_krempio)=null, \old(PIo2_krempio)=null, \old(pio4_ktan)=6442450975, \old(pio4lo_ktan)=6442450949, \old(T_ktan)=6442450971, \old(T_ktan)=6442450957, \old(tiny_scalbn)=6442450984, \old(two25_scalbn)=6442450962, \old(two8_krempio)=6442450978, \old(two8_rempio)=6442450987, \old(two_over_pi_rempio)=null, \old(two_over_pi_rempio)=null, \old(twom25_scalbn)=6442450974, \old(twon8_krempio)=6442450967, \old(zero_krempio)=6442450968, \old(zero_rempio)=6442450980, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6442450946:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={6442450983:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={6442450969:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6442450952:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L622] float x = 0.0f; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6442450946:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={6442450983:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={6442450969:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6442450952:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L623] CALL, EXPR tan_float(x) VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6442450946:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={6442450983:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={6442450969:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6442450952:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L580] FCALL float y[2], z = 0.0; [L581] __int32_t n, ix; VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6442450946:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={6442450983:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={6442450969:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6442450952:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={6442450970:0}, z=0, zero_krempio=0, zero_rempio=0] [L584] FCALL ieee_float_shape_type gf_u; [L585] FCALL gf_u.value = (x) [L586] EXPR, FCALL gf_u.word [L586] (ix) = gf_u.word [L587] COND FALSE !(0) VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6442450946:0}, invpio2_rempio=63661980629/100000000000, ix=-2147483648, npio2_hw_rempio={6442450983:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={6442450969:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6442450952:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={6442450970:0}, z=0, zero_krempio=0, zero_rempio=0] [L589] ix &= 0x7fffffff VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6442450946:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={6442450983:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={6442450969:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6442450952:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={6442450970:0}, z=0, zero_krempio=0, zero_rempio=0] [L590] COND FALSE !(ix <= 0x3f490fda) VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6442450946:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={6442450983:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={6442450969:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6442450952:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={6442450970:0}, z=0, zero_krempio=0, zero_rempio=0] [L593] COND TRUE !((ix) < 0x7f800000L) [L594] return x - x; [L594] RET return x - x; VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6442450946:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={6442450983:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={6442450969:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6442450952:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, z=0, zero_krempio=0, zero_rempio=0] [L623] EXPR tan_float(x) VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6442450946:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={6442450983:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={6442450969:0}, tan_float(x)=6442450979, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6442450952:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L623] float res = tan_float(x); [L626] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6442450946:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={6442450983:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=6442450979, res == 0.0f && __signbit_float(res) == 0=0, T_ktan={6442450969:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6442450952:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L626] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L627] __VERIFIER_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6442450946:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={6442450983:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=6442450979, T_ktan={6442450969:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6442450952:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 291 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 384 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=291occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 11:44:18,540 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:44:18,541 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:44:18,550 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:44:18,550 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:44:18,551 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:44:18,552 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:44:18,553 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:44:18,554 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:44:18,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:44:18,555 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:44:18,555 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:44:18,556 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:44:18,557 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:44:18,558 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:44:18,559 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:44:18,559 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:44:18,561 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:44:18,562 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:44:18,563 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:44:18,564 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:44:18,565 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:44:18,567 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:44:18,567 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:44:18,567 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:44:18,568 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:44:18,569 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:44:18,570 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:44:18,571 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:44:18,571 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:44:18,571 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:44:18,572 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:44:18,572 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:44:18,572 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:44:18,574 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:44:18,574 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:44:18,575 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 11:44:18,586 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:44:18,586 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:44:18,586 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:44:18,587 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:44:18,587 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:44:18,587 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:44:18,587 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:44:18,587 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:44:18,587 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:44:18,587 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:44:18,588 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:44:18,588 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:44:18,588 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:44:18,590 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:44:18,590 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:44:18,590 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:44:18,590 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:44:18,590 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:44:18,590 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:44:18,590 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:44:18,591 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:44:18,591 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:44:18,591 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:44:18,591 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:44:18,591 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:44:18,591 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:44:18,591 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:44:18,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:44:18,592 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:44:18,592 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:44:18,592 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:44:18,592 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 11:44:18,592 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:44:18,592 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:44:18,593 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:44:18,593 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_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/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 -> 24454a63dcbe037d3881b00d978ef052e2dccebf [2018-11-18 11:44:18,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:44:18,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:44:18,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:44:18,643 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:44:18,644 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:44:18,644 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0530a_true-unreach-call.c [2018-11-18 11:44:18,688 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/data/7bc362e63/bcef751c2bd840569795685789270ddb/FLAG862f36148 [2018-11-18 11:44:19,051 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:44:19,051 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/sv-benchmarks/c/float-newlib/float_req_bl_0530a_true-unreach-call.c [2018-11-18 11:44:19,057 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/data/7bc362e63/bcef751c2bd840569795685789270ddb/FLAG862f36148 [2018-11-18 11:44:19,457 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/data/7bc362e63/bcef751c2bd840569795685789270ddb [2018-11-18 11:44:19,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:44:19,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:44:19,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:44:19,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:44:19,465 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:44:19,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:44:19" (1/1) ... [2018-11-18 11:44:19,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d775d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:19, skipping insertion in model container [2018-11-18 11:44:19,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:44:19" (1/1) ... [2018-11-18 11:44:19,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:44:19,507 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:44:19,723 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:44:19,748 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:44:19,870 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:44:19,903 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:44:19,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:19 WrapperNode [2018-11-18 11:44:19,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:44:19,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:44:19,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:44:19,904 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:44:19,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:19" (1/1) ... [2018-11-18 11:44:19,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:19" (1/1) ... [2018-11-18 11:44:19,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:44:19,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:44:19,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:44:19,938 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:44:19,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:19" (1/1) ... [2018-11-18 11:44:19,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:19" (1/1) ... [2018-11-18 11:44:19,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:19" (1/1) ... [2018-11-18 11:44:19,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:19" (1/1) ... [2018-11-18 11:44:19,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:19" (1/1) ... [2018-11-18 11:44:20,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:19" (1/1) ... [2018-11-18 11:44:20,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:19" (1/1) ... [2018-11-18 11:44:20,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:44:20,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:44:20,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:44:20,025 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:44:20,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/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 11:44:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2018-11-18 11:44:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2018-11-18 11:44:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2018-11-18 11:44:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2018-11-18 11:44:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:44:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:44:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 11:44:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2018-11-18 11:44:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2018-11-18 11:44:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure tan_float [2018-11-18 11:44:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_float [2018-11-18 11:44:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:44:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:44:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 11:44:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 11:44:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:44:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 11:44:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-11-18 11:44:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-11-18 11:44:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-18 11:44:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 11:44:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2018-11-18 11:44:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2018-11-18 11:44:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:44:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:44:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2018-11-18 11:44:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2018-11-18 11:44:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 11:44:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-18 11:44:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-18 11:44:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 11:44:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:44:20,558 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:20,595 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:20,765 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:20,935 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:23,073 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:24,203 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:24,255 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:24,383 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:24,563 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:24,638 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:24,648 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:24,695 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:24,820 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:26,889 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:28,493 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:35,719 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:35,745 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:38,140 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:38,174 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:38,482 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:38,674 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:38,799 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:39,506 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:39,656 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:39,819 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:41,892 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:41,920 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:41,927 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:43,966 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:43,973 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:46,012 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:46,076 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:46,084 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:46,136 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:46,762 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:46,769 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:46,772 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:46,783 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:47,166 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:47,311 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:47,319 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:44:47,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:47 BoogieIcfgContainer [2018-11-18 11:44:47,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:44:47,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:44:47,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:44:47,323 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:44:47,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:44:19" (1/3) ... [2018-11-18 11:44:47,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5845121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:44:47, skipping insertion in model container [2018-11-18 11:44:47,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:19" (2/3) ... [2018-11-18 11:44:47,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5845121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:44:47, skipping insertion in model container [2018-11-18 11:44:47,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:47" (3/3) ... [2018-11-18 11:44:47,326 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530a_true-unreach-call.c [2018-11-18 11:44:47,332 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:44:47,337 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:44:47,346 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:44:47,365 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:44:47,366 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:44:47,366 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:44:47,366 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:44:47,366 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:44:47,366 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:44:47,366 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:44:47,366 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:44:47,366 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:44:47,380 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2018-11-18 11:44:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:44:47,384 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:44:47,385 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:44:47,386 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:44:47,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:44:47,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1376678423, now seen corresponding path program 1 times [2018-11-18 11:44:47,394 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:44:47,394 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/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 11:44:47,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:44:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:47,779 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:44:47,794 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 11:44:47,794 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:44:47,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:44:47,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:44:47,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:44:47,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:44:47,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:44:47,823 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 2 states. [2018-11-18 11:44:47,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:44:47,867 INFO L93 Difference]: Finished difference Result 574 states and 907 transitions. [2018-11-18 11:44:47,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:44:47,868 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-18 11:44:47,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:44:47,878 INFO L225 Difference]: With dead ends: 574 [2018-11-18 11:44:47,878 INFO L226 Difference]: Without dead ends: 287 [2018-11-18 11:44:47,883 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:44:47,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-11-18 11:44:47,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2018-11-18 11:44:47,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2018-11-18 11:44:47,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 380 transitions. [2018-11-18 11:44:47,935 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 380 transitions. Word has length 18 [2018-11-18 11:44:47,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:44:47,935 INFO L480 AbstractCegarLoop]: Abstraction has 287 states and 380 transitions. [2018-11-18 11:44:47,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:44:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 380 transitions. [2018-11-18 11:44:47,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 11:44:47,936 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:44:47,937 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 11:44:47,937 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:44:47,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:44:47,937 INFO L82 PathProgramCache]: Analyzing trace with hash 508042627, now seen corresponding path program 1 times [2018-11-18 11:44:47,938 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:44:47,938 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/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 11:44:47,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:44:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:48,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:44:48,388 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 11:44:48,389 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:44:48,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:44:48,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:44:48,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:44:48,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:44:48,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:44:48,412 INFO L87 Difference]: Start difference. First operand 287 states and 380 transitions. Second operand 7 states. [2018-11-18 11:44:48,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:44:48,930 INFO L93 Difference]: Finished difference Result 302 states and 395 transitions. [2018-11-18 11:44:48,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:44:48,931 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-18 11:44:48,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:44:48,932 INFO L225 Difference]: With dead ends: 302 [2018-11-18 11:44:48,932 INFO L226 Difference]: Without dead ends: 66 [2018-11-18 11:44:48,934 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:44:48,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-11-18 11:44:48,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-11-18 11:44:48,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-18 11:44:48,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 74 transitions. [2018-11-18 11:44:48,941 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 74 transitions. Word has length 19 [2018-11-18 11:44:48,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:44:48,941 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 74 transitions. [2018-11-18 11:44:48,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:44:48,941 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2018-11-18 11:44:48,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 11:44:48,942 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:44:48,942 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:44:48,942 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:44:48,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:44:48,943 INFO L82 PathProgramCache]: Analyzing trace with hash 171138616, now seen corresponding path program 1 times [2018-11-18 11:44:48,943 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:44:48,944 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/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 11:44:48,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:44:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:51,421 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:44:51,560 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 11:44:51,560 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:44:51,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:44:51,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 11:44:51,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:44:51,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:44:51,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:44:51,596 INFO L87 Difference]: Start difference. First operand 66 states and 74 transitions. Second operand 9 states. [2018-11-18 11:45:04,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:04,253 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2018-11-18 11:45:04,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 11:45:04,254 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-11-18 11:45:04,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:04,255 INFO L225 Difference]: With dead ends: 86 [2018-11-18 11:45:04,255 INFO L226 Difference]: Without dead ends: 50 [2018-11-18 11:45:04,256 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-11-18 11:45:04,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-18 11:45:04,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-18 11:45:04,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-18 11:45:04,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 52 transitions. [2018-11-18 11:45:04,261 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 52 transitions. Word has length 30 [2018-11-18 11:45:04,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:04,262 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 52 transitions. [2018-11-18 11:45:04,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:45:04,262 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2018-11-18 11:45:04,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 11:45:04,263 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:04,263 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:04,263 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:04,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:04,263 INFO L82 PathProgramCache]: Analyzing trace with hash -2024974272, now seen corresponding path program 1 times [2018-11-18 11:45:04,264 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:45:04,264 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 11:45:04,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:04,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:45:04,819 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 11:45:04,819 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:45:04,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:45:04,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-18 11:45:04,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 11:45:04,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 11:45:04,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-18 11:45:04,836 INFO L87 Difference]: Start difference. First operand 50 states and 52 transitions. Second operand 11 states. [2018-11-18 11:45:07,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:07,232 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-11-18 11:45:07,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 11:45:07,232 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2018-11-18 11:45:07,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:07,233 INFO L225 Difference]: With dead ends: 61 [2018-11-18 11:45:07,233 INFO L226 Difference]: Without dead ends: 58 [2018-11-18 11:45:07,234 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2018-11-18 11:45:07,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-18 11:45:07,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-11-18 11:45:07,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-18 11:45:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2018-11-18 11:45:07,238 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 31 [2018-11-18 11:45:07,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:07,238 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2018-11-18 11:45:07,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 11:45:07,238 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-11-18 11:45:07,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 11:45:07,239 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:07,239 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:07,239 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:07,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:07,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1323909694, now seen corresponding path program 1 times [2018-11-18 11:45:07,240 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:45:07,240 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 11:45:07,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:07,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:45:07,688 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 11:45:07,688 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:45:07,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:45:07,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:45:07,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:45:07,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:45:07,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:45:07,700 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 4 states. [2018-11-18 11:45:08,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:08,594 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2018-11-18 11:45:08,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:45:08,594 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2018-11-18 11:45:08,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:08,595 INFO L225 Difference]: With dead ends: 69 [2018-11-18 11:45:08,595 INFO L226 Difference]: Without dead ends: 40 [2018-11-18 11:45:08,595 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:45:08,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-18 11:45:08,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-11-18 11:45:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-18 11:45:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2018-11-18 11:45:08,599 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 31 [2018-11-18 11:45:08,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:08,599 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2018-11-18 11:45:08,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:45:08,599 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2018-11-18 11:45:08,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 11:45:08,600 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:08,600 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:08,600 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:08,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:08,600 INFO L82 PathProgramCache]: Analyzing trace with hash 547769120, now seen corresponding path program 1 times [2018-11-18 11:45:08,601 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:45:08,601 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 11:45:08,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:08,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:45:09,157 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 11:45:09,158 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:45:09,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:45:09,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-11-18 11:45:09,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 11:45:09,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 11:45:09,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-11-18 11:45:09,169 INFO L87 Difference]: Start difference. First operand 40 states and 39 transitions. Second operand 16 states. [2018-11-18 11:45:09,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:09,779 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2018-11-18 11:45:09,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:45:09,779 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 39 [2018-11-18 11:45:09,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:09,779 INFO L225 Difference]: With dead ends: 40 [2018-11-18 11:45:09,780 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:45:09,780 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2018-11-18 11:45:09,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:45:09,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:45:09,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:45:09,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:45:09,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-11-18 11:45:09,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:09,781 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:45:09,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 11:45:09,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:45:09,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:45:09,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:45:10,017 INFO L421 ceAbstractionStarter]: At program point L597(line 597) the Hoare annotation is: (and (exists ((v_tan_float_~ix~6_9 (_ BitVec 32))) (and (not (bvsle (bvand (_ bv2147483647 32) v_tan_float_~ix~6_9) (_ bv1061752794 32))) (= |tan_float_#in~x| (fp ((_ extract 31 31) v_tan_float_~ix~6_9) ((_ extract 30 23) v_tan_float_~ix~6_9) ((_ extract 22 0) v_tan_float_~ix~6_9))))) (exists ((v_tan_float_~ix~6_9 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_tan_float_~ix~6_9) tan_float_~ix~6) (= |tan_float_#in~x| (fp ((_ extract 31 31) v_tan_float_~ix~6_9) ((_ extract 30 23) v_tan_float_~ix~6_9) ((_ extract 22 0) v_tan_float_~ix~6_9))))) (= tan_float_~x |tan_float_#in~x|)) [2018-11-18 11:45:10,017 INFO L425 ceAbstractionStarter]: For program point L597-1(line 597) no Hoare annotation was computed. [2018-11-18 11:45:10,017 INFO L425 ceAbstractionStarter]: For program point tan_floatFINAL(lines 579 600) no Hoare annotation was computed. [2018-11-18 11:45:10,017 INFO L425 ceAbstractionStarter]: For program point L593(lines 593 599) no Hoare annotation was computed. [2018-11-18 11:45:10,017 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (and (exists ((v_tan_float_~ix~6_9 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_tan_float_~ix~6_9) tan_float_~ix~6) (= |tan_float_#in~x| (fp ((_ extract 31 31) v_tan_float_~ix~6_9) ((_ extract 30 23) v_tan_float_~ix~6_9) ((_ extract 22 0) v_tan_float_~ix~6_9))))) (= tan_float_~x |tan_float_#in~x|)) [2018-11-18 11:45:10,018 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 11:45:10,018 INFO L425 ceAbstractionStarter]: For program point tan_floatEXIT(lines 579 600) no Hoare annotation was computed. [2018-11-18 11:45:10,018 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 587) no Hoare annotation was computed. [2018-11-18 11:45:10,018 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 587) the Hoare annotation is: (= tan_float_~x |tan_float_#in~x|) [2018-11-18 11:45:10,018 INFO L428 ceAbstractionStarter]: At program point tan_floatENTRY(lines 579 600) the Hoare annotation is: true [2018-11-18 11:45:10,018 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 583 587) no Hoare annotation was computed. [2018-11-18 11:45:10,018 INFO L421 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (and (exists ((v_tan_float_~ix~6_9 (_ BitVec 32))) (and (not (bvsle (bvand (_ bv2147483647 32) v_tan_float_~ix~6_9) (_ bv1061752794 32))) (= |tan_float_#in~x| (fp ((_ extract 31 31) v_tan_float_~ix~6_9) ((_ extract 30 23) v_tan_float_~ix~6_9) ((_ extract 22 0) v_tan_float_~ix~6_9))))) (exists ((v_tan_float_~ix~6_9 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_tan_float_~ix~6_9) tan_float_~ix~6) (= |tan_float_#in~x| (fp ((_ extract 31 31) v_tan_float_~ix~6_9) ((_ extract 30 23) v_tan_float_~ix~6_9) ((_ extract 22 0) v_tan_float_~ix~6_9))))) (= tan_float_~x |tan_float_#in~x|)) [2018-11-18 11:45:10,018 INFO L425 ceAbstractionStarter]: For program point L598-1(line 598) no Hoare annotation was computed. [2018-11-18 11:45:10,018 INFO L425 ceAbstractionStarter]: For program point L590(lines 590 599) no Hoare annotation was computed. [2018-11-18 11:45:10,018 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:45:10,019 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:45:10,019 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:45:10,019 INFO L425 ceAbstractionStarter]: For program point L283-1(lines 283 284) no Hoare annotation was computed. [2018-11-18 11:45:10,019 INFO L425 ceAbstractionStarter]: For program point L283-3(lines 283 284) no Hoare annotation was computed. [2018-11-18 11:45:10,019 INFO L428 ceAbstractionStarter]: At program point L283-4(lines 283 284) the Hoare annotation is: true [2018-11-18 11:45:10,019 INFO L425 ceAbstractionStarter]: For program point L283-5(lines 283 284) no Hoare annotation was computed. [2018-11-18 11:45:10,019 INFO L428 ceAbstractionStarter]: At program point __kernel_rem_pio2fENTRY(lines 159 330) the Hoare annotation is: true [2018-11-18 11:45:10,019 INFO L425 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2018-11-18 11:45:10,019 INFO L428 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: true [2018-11-18 11:45:10,019 INFO L425 ceAbstractionStarter]: For program point L234-1(line 234) no Hoare annotation was computed. [2018-11-18 11:45:10,019 INFO L425 ceAbstractionStarter]: For program point L317-1(lines 317 318) no Hoare annotation was computed. [2018-11-18 11:45:10,020 INFO L425 ceAbstractionStarter]: For program point L317-3(lines 317 318) no Hoare annotation was computed. [2018-11-18 11:45:10,020 INFO L428 ceAbstractionStarter]: At program point L317-4(lines 317 318) the Hoare annotation is: true [2018-11-18 11:45:10,020 INFO L425 ceAbstractionStarter]: For program point L317-5(lines 288 328) no Hoare annotation was computed. [2018-11-18 11:45:10,020 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 170) no Hoare annotation was computed. [2018-11-18 11:45:10,020 INFO L425 ceAbstractionStarter]: For program point L169-2(lines 169 170) no Hoare annotation was computed. [2018-11-18 11:45:10,020 INFO L425 ceAbstractionStarter]: For program point L302-1(lines 302 303) no Hoare annotation was computed. [2018-11-18 11:45:10,020 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 206) no Hoare annotation was computed. [2018-11-18 11:45:10,020 INFO L425 ceAbstractionStarter]: For program point L302-3(lines 302 303) no Hoare annotation was computed. [2018-11-18 11:45:10,020 INFO L428 ceAbstractionStarter]: At program point L302-4(lines 302 303) the Hoare annotation is: true [2018-11-18 11:45:10,020 INFO L425 ceAbstractionStarter]: For program point L302-5(lines 288 328) no Hoare annotation was computed. [2018-11-18 11:45:10,020 INFO L428 ceAbstractionStarter]: At program point L253(lines 160 330) the Hoare annotation is: true [2018-11-18 11:45:10,020 INFO L425 ceAbstractionStarter]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2018-11-18 11:45:10,021 INFO L425 ceAbstractionStarter]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2018-11-18 11:45:10,021 INFO L428 ceAbstractionStarter]: At program point L187-4(lines 187 191) the Hoare annotation is: true [2018-11-18 11:45:10,021 INFO L428 ceAbstractionStarter]: At program point L187-5(lines 187 191) the Hoare annotation is: true [2018-11-18 11:45:10,021 INFO L425 ceAbstractionStarter]: For program point L221-1(lines 208 236) no Hoare annotation was computed. [2018-11-18 11:45:10,021 INFO L425 ceAbstractionStarter]: For program point L304-1(line 304) no Hoare annotation was computed. [2018-11-18 11:45:10,021 INFO L425 ceAbstractionStarter]: For program point L205(lines 205 206) no Hoare annotation was computed. [2018-11-18 11:45:10,021 INFO L425 ceAbstractionStarter]: For program point L238-1(lines 160 330) no Hoare annotation was computed. [2018-11-18 11:45:10,021 INFO L425 ceAbstractionStarter]: For program point L205-2(lines 160 330) no Hoare annotation was computed. [2018-11-18 11:45:10,021 INFO L428 ceAbstractionStarter]: At program point L288(lines 288 328) the Hoare annotation is: true [2018-11-18 11:45:10,021 INFO L428 ceAbstractionStarter]: At program point L222(lines 222 229) the Hoare annotation is: true [2018-11-18 11:45:10,022 INFO L425 ceAbstractionStarter]: For program point L289(line 289) no Hoare annotation was computed. [2018-11-18 11:45:10,022 INFO L425 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2018-11-18 11:45:10,022 INFO L425 ceAbstractionStarter]: For program point L306(line 306) no Hoare annotation was computed. [2018-11-18 11:45:10,022 INFO L425 ceAbstractionStarter]: For program point L240-1(lines 240 241) no Hoare annotation was computed. [2018-11-18 11:45:10,022 INFO L425 ceAbstractionStarter]: For program point L240-3(lines 240 241) no Hoare annotation was computed. [2018-11-18 11:45:10,022 INFO L428 ceAbstractionStarter]: At program point L240-4(lines 240 241) the Hoare annotation is: true [2018-11-18 11:45:10,022 INFO L425 ceAbstractionStarter]: For program point L240-5(lines 238 255) no Hoare annotation was computed. [2018-11-18 11:45:10,022 INFO L425 ceAbstractionStarter]: For program point L307-1(lines 307 311) no Hoare annotation was computed. [2018-11-18 11:45:10,022 INFO L425 ceAbstractionStarter]: For program point L208(lines 160 330) no Hoare annotation was computed. [2018-11-18 11:45:10,022 INFO L425 ceAbstractionStarter]: For program point L307-3(lines 307 311) no Hoare annotation was computed. [2018-11-18 11:45:10,022 INFO L428 ceAbstractionStarter]: At program point L307-4(lines 307 311) the Hoare annotation is: true [2018-11-18 11:45:10,022 INFO L425 ceAbstractionStarter]: For program point L175-1(lines 175 176) no Hoare annotation was computed. [2018-11-18 11:45:10,023 INFO L425 ceAbstractionStarter]: For program point L307-5(lines 307 311) no Hoare annotation was computed. [2018-11-18 11:45:10,023 INFO L425 ceAbstractionStarter]: For program point L175-3(lines 175 176) no Hoare annotation was computed. [2018-11-18 11:45:10,023 INFO L428 ceAbstractionStarter]: At program point L175-4(lines 175 176) the Hoare annotation is: true [2018-11-18 11:45:10,023 INFO L425 ceAbstractionStarter]: For program point L175-5(lines 175 176) no Hoare annotation was computed. [2018-11-18 11:45:10,023 INFO L425 ceAbstractionStarter]: For program point L291-1(lines 291 292) no Hoare annotation was computed. [2018-11-18 11:45:10,023 INFO L425 ceAbstractionStarter]: For program point L291-3(lines 291 292) no Hoare annotation was computed. [2018-11-18 11:45:10,023 INFO L428 ceAbstractionStarter]: At program point L291-4(lines 291 292) the Hoare annotation is: true [2018-11-18 11:45:10,023 INFO L425 ceAbstractionStarter]: For program point L291-5(lines 288 328) no Hoare annotation was computed. [2018-11-18 11:45:10,023 INFO L425 ceAbstractionStarter]: For program point L176(line 176) no Hoare annotation was computed. [2018-11-18 11:45:10,023 INFO L425 ceAbstractionStarter]: For program point L176-2(line 176) no Hoare annotation was computed. [2018-11-18 11:45:10,023 INFO L425 ceAbstractionStarter]: For program point L226(line 226) no Hoare annotation was computed. [2018-11-18 11:45:10,024 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 11:45:10,024 INFO L425 ceAbstractionStarter]: For program point L276(line 276) no Hoare annotation was computed. [2018-11-18 11:45:10,024 INFO L425 ceAbstractionStarter]: For program point L243-1(lines 243 244) no Hoare annotation was computed. [2018-11-18 11:45:10,024 INFO L425 ceAbstractionStarter]: For program point L243-3(lines 243 244) no Hoare annotation was computed. [2018-11-18 11:45:10,024 INFO L428 ceAbstractionStarter]: At program point L243-4(lines 243 244) the Hoare annotation is: true [2018-11-18 11:45:10,024 INFO L425 ceAbstractionStarter]: For program point L243-5(lines 243 244) no Hoare annotation was computed. [2018-11-18 11:45:10,025 INFO L425 ceAbstractionStarter]: For program point L293-1(line 293) no Hoare annotation was computed. [2018-11-18 11:45:10,025 INFO L425 ceAbstractionStarter]: For program point L260-1(lines 260 263) no Hoare annotation was computed. [2018-11-18 11:45:10,025 INFO L428 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: true [2018-11-18 11:45:10,025 INFO L425 ceAbstractionStarter]: For program point L260-2(lines 260 263) no Hoare annotation was computed. [2018-11-18 11:45:10,025 INFO L425 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-11-18 11:45:10,025 INFO L428 ceAbstractionStarter]: At program point L260-4(lines 260 263) the Hoare annotation is: true [2018-11-18 11:45:10,025 INFO L425 ceAbstractionStarter]: For program point L277-1(lines 277 280) no Hoare annotation was computed. [2018-11-18 11:45:10,025 INFO L425 ceAbstractionStarter]: For program point L211-1(lines 211 220) no Hoare annotation was computed. [2018-11-18 11:45:10,025 INFO L425 ceAbstractionStarter]: For program point L277-3(lines 277 280) no Hoare annotation was computed. [2018-11-18 11:45:10,025 INFO L425 ceAbstractionStarter]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2018-11-18 11:45:10,025 INFO L428 ceAbstractionStarter]: At program point L277-4(lines 277 280) the Hoare annotation is: true [2018-11-18 11:45:10,025 INFO L425 ceAbstractionStarter]: For program point L211-3(lines 211 220) no Hoare annotation was computed. [2018-11-18 11:45:10,025 INFO L425 ceAbstractionStarter]: For program point L277-5(lines 277 280) no Hoare annotation was computed. [2018-11-18 11:45:10,025 INFO L425 ceAbstractionStarter]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2018-11-18 11:45:10,026 INFO L428 ceAbstractionStarter]: At program point L211-4(lines 211 220) the Hoare annotation is: true [2018-11-18 11:45:10,026 INFO L428 ceAbstractionStarter]: At program point L178-4(lines 178 182) the Hoare annotation is: true [2018-11-18 11:45:10,026 INFO L425 ceAbstractionStarter]: For program point L211-5(lines 208 236) no Hoare annotation was computed. [2018-11-18 11:45:10,026 INFO L425 ceAbstractionStarter]: For program point L178-5(lines 178 182) no Hoare annotation was computed. [2018-11-18 11:45:10,026 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 179 180) no Hoare annotation was computed. [2018-11-18 11:45:10,026 INFO L425 ceAbstractionStarter]: For program point L179-3(lines 179 180) no Hoare annotation was computed. [2018-11-18 11:45:10,026 INFO L428 ceAbstractionStarter]: At program point L179-4(lines 179 180) the Hoare annotation is: true [2018-11-18 11:45:10,026 INFO L425 ceAbstractionStarter]: For program point L179-5(lines 179 180) no Hoare annotation was computed. [2018-11-18 11:45:10,026 INFO L425 ceAbstractionStarter]: For program point L295(line 295) no Hoare annotation was computed. [2018-11-18 11:45:10,026 INFO L425 ceAbstractionStarter]: For program point L295-2(line 295) no Hoare annotation was computed. [2018-11-18 11:45:10,026 INFO L425 ceAbstractionStarter]: For program point L312-1(lines 312 316) no Hoare annotation was computed. [2018-11-18 11:45:10,026 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2018-11-18 11:45:10,026 INFO L425 ceAbstractionStarter]: For program point L246-1(lines 246 251) no Hoare annotation was computed. [2018-11-18 11:45:10,026 INFO L425 ceAbstractionStarter]: For program point L312-3(lines 312 316) no Hoare annotation was computed. [2018-11-18 11:45:10,026 INFO L428 ceAbstractionStarter]: At program point L312-4(lines 312 316) the Hoare annotation is: true [2018-11-18 11:45:10,027 INFO L425 ceAbstractionStarter]: For program point L246-3(lines 246 251) no Hoare annotation was computed. [2018-11-18 11:45:10,027 INFO L425 ceAbstractionStarter]: For program point L312-5(lines 312 316) no Hoare annotation was computed. [2018-11-18 11:45:10,027 INFO L428 ceAbstractionStarter]: At program point L246-4(lines 246 251) the Hoare annotation is: true [2018-11-18 11:45:10,027 INFO L425 ceAbstractionStarter]: For program point L246-5(lines 246 251) no Hoare annotation was computed. [2018-11-18 11:45:10,027 INFO L425 ceAbstractionStarter]: For program point __kernel_rem_pio2fEXIT(lines 159 330) no Hoare annotation was computed. [2018-11-18 11:45:10,027 INFO L425 ceAbstractionStarter]: For program point L296(line 296) no Hoare annotation was computed. [2018-11-18 11:45:10,027 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 217) no Hoare annotation was computed. [2018-11-18 11:45:10,027 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 206) no Hoare annotation was computed. [2018-11-18 11:45:10,027 INFO L425 ceAbstractionStarter]: For program point L248-1(lines 248 249) no Hoare annotation was computed. [2018-11-18 11:45:10,027 INFO L425 ceAbstractionStarter]: For program point L248-3(lines 248 249) no Hoare annotation was computed. [2018-11-18 11:45:10,027 INFO L428 ceAbstractionStarter]: At program point L248-4(lines 248 249) the Hoare annotation is: true [2018-11-18 11:45:10,027 INFO L425 ceAbstractionStarter]: For program point L248-5(lines 248 249) no Hoare annotation was computed. [2018-11-18 11:45:10,027 INFO L428 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: true [2018-11-18 11:45:10,027 INFO L425 ceAbstractionStarter]: For program point L298-1(lines 298 299) no Hoare annotation was computed. [2018-11-18 11:45:10,027 INFO L425 ceAbstractionStarter]: For program point L265-1(line 265) no Hoare annotation was computed. [2018-11-18 11:45:10,027 INFO L425 ceAbstractionStarter]: For program point L298-3(lines 298 299) no Hoare annotation was computed. [2018-11-18 11:45:10,028 INFO L428 ceAbstractionStarter]: At program point L298-4(lines 298 299) the Hoare annotation is: true [2018-11-18 11:45:10,028 INFO L425 ceAbstractionStarter]: For program point L298-5(lines 288 328) no Hoare annotation was computed. [2018-11-18 11:45:10,028 INFO L425 ceAbstractionStarter]: For program point L282-1(lines 282 286) no Hoare annotation was computed. [2018-11-18 11:45:10,028 INFO L425 ceAbstractionStarter]: For program point L282-3(lines 282 286) no Hoare annotation was computed. [2018-11-18 11:45:10,028 INFO L428 ceAbstractionStarter]: At program point L282-4(lines 282 286) the Hoare annotation is: true [2018-11-18 11:45:10,028 INFO L425 ceAbstractionStarter]: For program point L282-5(lines 282 286) no Hoare annotation was computed. [2018-11-18 11:45:10,028 INFO L425 ceAbstractionStarter]: For program point __kernel_rem_pio2fFINAL(lines 159 330) no Hoare annotation was computed. [2018-11-18 11:45:10,028 INFO L425 ceAbstractionStarter]: For program point L266(lines 266 273) no Hoare annotation was computed. [2018-11-18 11:45:10,028 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 234) no Hoare annotation was computed. [2018-11-18 11:45:10,028 INFO L428 ceAbstractionStarter]: At program point L266-2(lines 257 274) the Hoare annotation is: true [2018-11-18 11:45:10,028 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 132 145) no Hoare annotation was computed. [2018-11-18 11:45:10,028 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 143) no Hoare annotation was computed. [2018-11-18 11:45:10,028 INFO L425 ceAbstractionStarter]: For program point L139-2(lines 132 145) no Hoare annotation was computed. [2018-11-18 11:45:10,028 INFO L425 ceAbstractionStarter]: For program point L139-3(lines 139 143) no Hoare annotation was computed. [2018-11-18 11:45:10,028 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 132 145) no Hoare annotation was computed. [2018-11-18 11:45:10,029 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 132 145) the Hoare annotation is: true [2018-11-18 11:45:10,029 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-11-18 11:45:10,029 INFO L428 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: true [2018-11-18 11:45:10,029 INFO L425 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-11-18 11:45:10,029 INFO L425 ceAbstractionStarter]: For program point L44(lines 44 47) no Hoare annotation was computed. [2018-11-18 11:45:10,029 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 48) no Hoare annotation was computed. [2018-11-18 11:45:10,029 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 53) no Hoare annotation was computed. [2018-11-18 11:45:10,029 INFO L425 ceAbstractionStarter]: For program point L49-2(lines 14 55) no Hoare annotation was computed. [2018-11-18 11:45:10,029 INFO L425 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-11-18 11:45:10,029 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 41) no Hoare annotation was computed. [2018-11-18 11:45:10,029 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-11-18 11:45:10,029 INFO L425 ceAbstractionStarter]: For program point floor_floatEXIT(lines 14 55) no Hoare annotation was computed. [2018-11-18 11:45:10,029 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 42) no Hoare annotation was computed. [2018-11-18 11:45:10,029 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-11-18 11:45:10,029 INFO L428 ceAbstractionStarter]: At program point L17-3(lines 17 21) the Hoare annotation is: true [2018-11-18 11:45:10,030 INFO L425 ceAbstractionStarter]: For program point L17-4(lines 17 21) no Hoare annotation was computed. [2018-11-18 11:45:10,030 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-11-18 11:45:10,030 INFO L425 ceAbstractionStarter]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2018-11-18 11:45:10,030 INFO L425 ceAbstractionStarter]: For program point floor_floatFINAL(lines 14 55) no Hoare annotation was computed. [2018-11-18 11:45:10,030 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 32) no Hoare annotation was computed. [2018-11-18 11:45:10,030 INFO L428 ceAbstractionStarter]: At program point floor_floatENTRY(lines 14 55) the Hoare annotation is: true [2018-11-18 11:45:10,030 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-11-18 11:45:10,030 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-11-18 11:45:10,030 INFO L425 ceAbstractionStarter]: For program point L64-2(lines 57 75) no Hoare annotation was computed. [2018-11-18 11:45:10,030 INFO L425 ceAbstractionStarter]: For program point copysign_floatEXIT(lines 57 75) no Hoare annotation was computed. [2018-11-18 11:45:10,030 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 73) no Hoare annotation was computed. [2018-11-18 11:45:10,030 INFO L425 ceAbstractionStarter]: For program point L69-2(lines 57 75) no Hoare annotation was computed. [2018-11-18 11:45:10,030 INFO L425 ceAbstractionStarter]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2018-11-18 11:45:10,030 INFO L425 ceAbstractionStarter]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2018-11-18 11:45:10,030 INFO L428 ceAbstractionStarter]: At program point L59-3(lines 59 63) the Hoare annotation is: true [2018-11-18 11:45:10,030 INFO L428 ceAbstractionStarter]: At program point copysign_floatENTRY(lines 57 75) the Hoare annotation is: true [2018-11-18 11:45:10,031 INFO L425 ceAbstractionStarter]: For program point copysign_floatFINAL(lines 57 75) no Hoare annotation was computed. [2018-11-18 11:45:10,031 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 485) no Hoare annotation was computed. [2018-11-18 11:45:10,031 INFO L425 ceAbstractionStarter]: For program point __ieee754_rem_pio2fEXIT(lines 371 487) no Hoare annotation was computed. [2018-11-18 11:45:10,031 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 398) no Hoare annotation was computed. [2018-11-18 11:45:10,031 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 391 398) no Hoare annotation was computed. [2018-11-18 11:45:10,031 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 387) no Hoare annotation was computed. [2018-11-18 11:45:10,031 INFO L425 ceAbstractionStarter]: For program point L425-1(lines 425 429) no Hoare annotation was computed. [2018-11-18 11:45:10,031 INFO L428 ceAbstractionStarter]: At program point L425-3(lines 425 429) the Hoare annotation is: true [2018-11-18 11:45:10,031 INFO L425 ceAbstractionStarter]: For program point L425-4(lines 425 429) no Hoare annotation was computed. [2018-11-18 11:45:10,031 INFO L425 ceAbstractionStarter]: For program point L467-1(lines 467 471) no Hoare annotation was computed. [2018-11-18 11:45:10,031 INFO L428 ceAbstractionStarter]: At program point L467-3(lines 467 471) the Hoare annotation is: true [2018-11-18 11:45:10,031 INFO L425 ceAbstractionStarter]: For program point L467-4(lines 467 471) no Hoare annotation was computed. [2018-11-18 11:45:10,031 INFO L425 ceAbstractionStarter]: For program point __ieee754_rem_pio2fFINAL(lines 371 487) no Hoare annotation was computed. [2018-11-18 11:45:10,031 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 449) no Hoare annotation was computed. [2018-11-18 11:45:10,031 INFO L425 ceAbstractionStarter]: For program point L377-1(lines 377 381) no Hoare annotation was computed. [2018-11-18 11:45:10,032 INFO L428 ceAbstractionStarter]: At program point L377-3(lines 377 381) the Hoare annotation is: true [2018-11-18 11:45:10,032 INFO L425 ceAbstractionStarter]: For program point L377-4(lines 377 381) no Hoare annotation was computed. [2018-11-18 11:45:10,032 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 409) no Hoare annotation was computed. [2018-11-18 11:45:10,032 INFO L425 ceAbstractionStarter]: For program point L402-2(lines 402 409) no Hoare annotation was computed. [2018-11-18 11:45:10,032 INFO L428 ceAbstractionStarter]: At program point __ieee754_rem_pio2fENTRY(lines 371 487) the Hoare annotation is: true [2018-11-18 11:45:10,032 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 11:45:10,032 INFO L425 ceAbstractionStarter]: For program point L419-2(lines 419 451) no Hoare annotation was computed. [2018-11-18 11:45:10,032 INFO L425 ceAbstractionStarter]: For program point L461(lines 461 464) no Hoare annotation was computed. [2018-11-18 11:45:10,032 INFO L425 ceAbstractionStarter]: For program point L453(lines 453 458) no Hoare annotation was computed. [2018-11-18 11:45:10,032 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 478 479) no Hoare annotation was computed. [2018-11-18 11:45:10,032 INFO L425 ceAbstractionStarter]: For program point L478-2(lines 478 479) no Hoare annotation was computed. [2018-11-18 11:45:10,032 INFO L428 ceAbstractionStarter]: At program point L478-4(lines 478 479) the Hoare annotation is: true [2018-11-18 11:45:10,032 INFO L428 ceAbstractionStarter]: At program point L478-5(lines 478 479) the Hoare annotation is: true [2018-11-18 11:45:10,032 INFO L425 ceAbstractionStarter]: For program point L437-1(lines 437 441) no Hoare annotation was computed. [2018-11-18 11:45:10,032 INFO L428 ceAbstractionStarter]: At program point L437-3(lines 437 441) the Hoare annotation is: true [2018-11-18 11:45:10,032 INFO L425 ceAbstractionStarter]: For program point L437-4(lines 437 441) no Hoare annotation was computed. [2018-11-18 11:45:10,033 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 412) no Hoare annotation was computed. [2018-11-18 11:45:10,033 INFO L425 ceAbstractionStarter]: For program point L413(lines 413 459) no Hoare annotation was computed. [2018-11-18 11:45:10,033 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 411) no Hoare annotation was computed. [2018-11-18 11:45:10,033 INFO L425 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2018-11-18 11:45:10,033 INFO L428 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-11-18 11:45:10,033 INFO L425 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-11-18 11:45:10,033 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 472 475) no Hoare annotation was computed. [2018-11-18 11:45:10,033 INFO L425 ceAbstractionStarter]: For program point L472-3(lines 472 475) no Hoare annotation was computed. [2018-11-18 11:45:10,033 INFO L428 ceAbstractionStarter]: At program point L472-4(lines 472 475) the Hoare annotation is: true [2018-11-18 11:45:10,033 INFO L425 ceAbstractionStarter]: For program point L472-5(lines 472 475) no Hoare annotation was computed. [2018-11-18 11:45:10,033 INFO L425 ceAbstractionStarter]: For program point L431(lines 431 450) no Hoare annotation was computed. [2018-11-18 11:45:10,033 INFO L425 ceAbstractionStarter]: For program point L431-1(lines 419 451) no Hoare annotation was computed. [2018-11-18 11:45:10,033 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:45:10,033 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 11:45:10,033 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:45:10,033 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:45:10,034 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 614 632) the Hoare annotation is: true [2018-11-18 11:45:10,034 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 627) no Hoare annotation was computed. [2018-11-18 11:45:10,034 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 614 632) no Hoare annotation was computed. [2018-11-18 11:45:10,034 INFO L425 ceAbstractionStarter]: For program point L627(line 627) no Hoare annotation was computed. [2018-11-18 11:45:10,034 INFO L425 ceAbstractionStarter]: For program point L626(line 626) no Hoare annotation was computed. [2018-11-18 11:45:10,034 INFO L421 ceAbstractionStarter]: At program point L626-1(line 626) the Hoare annotation is: (and (= (_ +zero 8 24) main_~x~0) (= (_ +zero 8 24) main_~res~0) |main_#t~short159|) [2018-11-18 11:45:10,034 INFO L425 ceAbstractionStarter]: For program point L626-2(line 626) no Hoare annotation was computed. [2018-11-18 11:45:10,034 INFO L421 ceAbstractionStarter]: At program point L623(line 623) the Hoare annotation is: (= (_ +zero 8 24) main_~x~0) [2018-11-18 11:45:10,034 INFO L425 ceAbstractionStarter]: For program point L623-1(line 623) no Hoare annotation was computed. [2018-11-18 11:45:10,034 INFO L425 ceAbstractionStarter]: For program point L626-4(lines 626 629) no Hoare annotation was computed. [2018-11-18 11:45:10,035 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 614 632) no Hoare annotation was computed. [2018-11-18 11:45:10,035 INFO L428 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: true [2018-11-18 11:45:10,035 INFO L425 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2018-11-18 11:45:10,035 INFO L425 ceAbstractionStarter]: For program point L118(lines 118 123) no Hoare annotation was computed. [2018-11-18 11:45:10,035 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-11-18 11:45:10,035 INFO L428 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: true [2018-11-18 11:45:10,035 INFO L425 ceAbstractionStarter]: For program point L85-4(lines 85 89) no Hoare annotation was computed. [2018-11-18 11:45:10,035 INFO L425 ceAbstractionStarter]: For program point L110(lines 110 117) no Hoare annotation was computed. [2018-11-18 11:45:10,035 INFO L425 ceAbstractionStarter]: For program point L98-1(lines 98 102) no Hoare annotation was computed. [2018-11-18 11:45:10,035 INFO L428 ceAbstractionStarter]: At program point L98-3(lines 98 102) the Hoare annotation is: true [2018-11-18 11:45:10,035 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 95) no Hoare annotation was computed. [2018-11-18 11:45:10,035 INFO L425 ceAbstractionStarter]: For program point L98-4(lines 98 102) no Hoare annotation was computed. [2018-11-18 11:45:10,036 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-11-18 11:45:10,036 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2018-11-18 11:45:10,036 INFO L425 ceAbstractionStarter]: For program point scalbn_floatFINAL(lines 81 131) no Hoare annotation was computed. [2018-11-18 11:45:10,036 INFO L428 ceAbstractionStarter]: At program point L111-3(lines 111 115) the Hoare annotation is: true [2018-11-18 11:45:10,036 INFO L425 ceAbstractionStarter]: For program point L111-4(lines 111 115) no Hoare annotation was computed. [2018-11-18 11:45:10,036 INFO L428 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: true [2018-11-18 11:45:10,036 INFO L425 ceAbstractionStarter]: For program point L120-1(line 120) no Hoare annotation was computed. [2018-11-18 11:45:10,036 INFO L425 ceAbstractionStarter]: For program point scalbn_floatEXIT(lines 81 131) no Hoare annotation was computed. [2018-11-18 11:45:10,036 INFO L428 ceAbstractionStarter]: At program point scalbn_floatENTRY(lines 81 131) the Hoare annotation is: true [2018-11-18 11:45:10,036 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 109) no Hoare annotation was computed. [2018-11-18 11:45:10,036 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 105) no Hoare annotation was computed. [2018-11-18 11:45:10,036 INFO L425 ceAbstractionStarter]: For program point L96(lines 96 106) no Hoare annotation was computed. [2018-11-18 11:45:10,037 INFO L425 ceAbstractionStarter]: For program point L96-2(lines 96 106) no Hoare annotation was computed. [2018-11-18 11:45:10,037 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 93) no Hoare annotation was computed. [2018-11-18 11:45:10,037 INFO L425 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2018-11-18 11:45:10,037 INFO L428 ceAbstractionStarter]: At program point L125-3(lines 125 129) the Hoare annotation is: true [2018-11-18 11:45:10,037 INFO L425 ceAbstractionStarter]: For program point L125-4(lines 125 129) no Hoare annotation was computed. [2018-11-18 11:45:10,037 INFO L428 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: true [2018-11-18 11:45:10,037 INFO L425 ceAbstractionStarter]: For program point L109-1(line 109) no Hoare annotation was computed. [2018-11-18 11:45:10,037 INFO L425 ceAbstractionStarter]: For program point L510(lines 510 513) no Hoare annotation was computed. [2018-11-18 11:45:10,037 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 502 506) no Hoare annotation was computed. [2018-11-18 11:45:10,037 INFO L421 ceAbstractionStarter]: At program point L502-3(lines 502 506) the Hoare annotation is: (and (= __kernel_tanf_~x |__kernel_tanf_#in~x|) (= __kernel_tanf_~iy |__kernel_tanf_#in~iy|)) [2018-11-18 11:45:10,037 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 564 568) no Hoare annotation was computed. [2018-11-18 11:45:10,037 INFO L425 ceAbstractionStarter]: For program point L502-4(lines 502 506) no Hoare annotation was computed. [2018-11-18 11:45:10,038 INFO L421 ceAbstractionStarter]: At program point L564-3(lines 564 568) the Hoare annotation is: (exists ((__kernel_tanf_~hx~2 (_ BitVec 32))) (and (not (bvslt (bvand (_ bv2147483647 32) __kernel_tanf_~hx~2) (_ bv830472192 32))) (= (fp ((_ extract 31 31) __kernel_tanf_~hx~2) ((_ extract 30 23) __kernel_tanf_~hx~2) ((_ extract 22 0) __kernel_tanf_~hx~2)) |__kernel_tanf_#in~x|))) [2018-11-18 11:45:10,038 INFO L425 ceAbstractionStarter]: For program point __kernel_tanfFINAL(lines 499 577) no Hoare annotation was computed. [2018-11-18 11:45:10,038 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 552 556) no Hoare annotation was computed. [2018-11-18 11:45:10,038 INFO L421 ceAbstractionStarter]: At program point L552-3(lines 552 556) the Hoare annotation is: (exists ((__kernel_tanf_~hx~2 (_ BitVec 32))) (and (not (bvslt (bvand (_ bv2147483647 32) __kernel_tanf_~hx~2) (_ bv830472192 32))) (= (fp ((_ extract 31 31) __kernel_tanf_~hx~2) ((_ extract 30 23) __kernel_tanf_~hx~2) ((_ extract 22 0) __kernel_tanf_~hx~2)) |__kernel_tanf_#in~x|))) [2018-11-18 11:45:10,038 INFO L421 ceAbstractionStarter]: At program point L511(line 511) the Hoare annotation is: (and (exists ((__kernel_tanf_~hx~2 (_ BitVec 32))) (and (= __kernel_tanf_~ix~5 (bvand (_ bv2147483647 32) __kernel_tanf_~hx~2)) (= (fp ((_ extract 31 31) __kernel_tanf_~hx~2) ((_ extract 30 23) __kernel_tanf_~hx~2) ((_ extract 22 0) __kernel_tanf_~hx~2)) |__kernel_tanf_#in~x|))) (not (= (bvadd |__kernel_tanf_#in~iy| (_ bv4294967295 32)) (_ bv0 32))) (= __kernel_tanf_~x |__kernel_tanf_#in~x|) (= (fp ((_ extract 31 31) __kernel_tanf_~hx~2) ((_ extract 30 23) __kernel_tanf_~hx~2) ((_ extract 22 0) __kernel_tanf_~hx~2)) |__kernel_tanf_#in~x|) (= __kernel_tanf_~iy |__kernel_tanf_#in~iy|)) [2018-11-18 11:45:10,038 INFO L425 ceAbstractionStarter]: For program point L511-1(line 511) no Hoare annotation was computed. [2018-11-18 11:45:10,038 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 544) no Hoare annotation was computed. [2018-11-18 11:45:10,038 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2018-11-18 11:45:10,039 INFO L425 ceAbstractionStarter]: For program point L569-2(lines 547 576) no Hoare annotation was computed. [2018-11-18 11:45:10,039 INFO L425 ceAbstractionStarter]: For program point L569-3(lines 569 573) no Hoare annotation was computed. [2018-11-18 11:45:10,039 INFO L425 ceAbstractionStarter]: For program point __kernel_tanfEXIT(lines 499 577) no Hoare annotation was computed. [2018-11-18 11:45:10,039 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 561) no Hoare annotation was computed. [2018-11-18 11:45:10,039 INFO L428 ceAbstractionStarter]: At program point __kernel_tanfENTRY(lines 499 577) the Hoare annotation is: true [2018-11-18 11:45:10,039 INFO L425 ceAbstractionStarter]: For program point L557-2(lines 547 576) no Hoare annotation was computed. [2018-11-18 11:45:10,039 INFO L425 ceAbstractionStarter]: For program point L557-3(lines 557 561) no Hoare annotation was computed. [2018-11-18 11:45:10,039 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 516 525) no Hoare annotation was computed. [2018-11-18 11:45:10,039 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 576) no Hoare annotation was computed. [2018-11-18 11:45:10,039 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 515) no Hoare annotation was computed. [2018-11-18 11:45:10,039 INFO L425 ceAbstractionStarter]: For program point L508-2(lines 499 577) no Hoare annotation was computed. [2018-11-18 11:45:10,040 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 520) no Hoare annotation was computed. [2018-11-18 11:45:10,040 INFO L425 ceAbstractionStarter]: For program point L517-2(lines 517 520) no Hoare annotation was computed. [2018-11-18 11:45:10,040 INFO L425 ceAbstractionStarter]: For program point L513(line 513) no Hoare annotation was computed. [2018-11-18 11:45:10,040 INFO L425 ceAbstractionStarter]: For program point L513-2(line 513) no Hoare annotation was computed. [2018-11-18 11:45:10,040 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 514) no Hoare annotation was computed. [2018-11-18 11:45:10,040 INFO L425 ceAbstractionStarter]: For program point L605-1(lines 605 609) no Hoare annotation was computed. [2018-11-18 11:45:10,040 INFO L421 ceAbstractionStarter]: At program point L605-3(lines 605 609) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-18 11:45:10,040 INFO L425 ceAbstractionStarter]: For program point L605-4(lines 605 609) no Hoare annotation was computed. [2018-11-18 11:45:10,040 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 602 612) no Hoare annotation was computed. [2018-11-18 11:45:10,040 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 602 612) the Hoare annotation is: true [2018-11-18 11:45:10,040 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 602 612) no Hoare annotation was computed. [2018-11-18 11:45:10,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,053 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,053 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,054 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,054 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,054 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:45:10 BoogieIcfgContainer [2018-11-18 11:45:10,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:45:10,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:45:10,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:45:10,059 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:45:10,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:47" (3/4) ... [2018-11-18 11:45:10,063 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:45:10,069 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure tan_float [2018-11-18 11:45:10,074 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:45:10,074 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_rem_pio2f [2018-11-18 11:45:10,074 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-18 11:45:10,074 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure floor_float [2018-11-18 11:45:10,074 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2018-11-18 11:45:10,074 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_rem_pio2f [2018-11-18 11:45:10,075 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:45:10,075 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2018-11-18 11:45:10,075 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tanf [2018-11-18 11:45:10,075 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-18 11:45:10,091 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 326 nodes and edges [2018-11-18 11:45:10,092 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 156 nodes and edges [2018-11-18 11:45:10,093 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-11-18 11:45:10,093 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 11:45:10,094 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 11:45:10,094 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 11:45:10,095 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:45:10,095 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 11:45:10,114 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 11:45:10,114 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 11:45:10,115 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && iy == \old(iy) [2018-11-18 11:45:10,117 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __kernel_tanf_~hx~2 : bv32 :: !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32) && ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x)) [2018-11-18 11:45:10,118 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __kernel_tanf_~hx~2 : bv32 :: !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32) && ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x)) [2018-11-18 11:45:10,181 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6adf7d8a-1100-4f82-b1e2-14370f41f1ba/bin-2019/utaipan/witness.graphml [2018-11-18 11:45:10,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:45:10,182 INFO L168 Benchmark]: Toolchain (without parser) took 50721.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 944.4 MB in the beginning and 846.8 MB in the end (delta: 97.6 MB). Peak memory consumption was 287.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:10,183 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:45:10,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:10,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:45:10,183 INFO L168 Benchmark]: Boogie Preprocessor took 86.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:10,184 INFO L168 Benchmark]: RCFGBuilder took 27295.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 835.7 MB in the end (delta: 244.1 MB). Peak memory consumption was 244.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:10,184 INFO L168 Benchmark]: TraceAbstraction took 22738.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 835.7 MB in the beginning and 870.0 MB in the end (delta: -34.3 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:10,184 INFO L168 Benchmark]: Witness Printer took 122.06 ms. Allocated memory is still 1.2 GB. Free memory was 870.0 MB in the beginning and 846.8 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:10,185 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 442.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 27295.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 835.7 MB in the end (delta: 244.1 MB). Peak memory consumption was 244.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22738.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 835.7 MB in the beginning and 870.0 MB in the end (delta: -34.3 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * Witness Printer took 122.06 ms. Allocated memory is still 1.2 GB. Free memory was 870.0 MB in the beginning and 846.8 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 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[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 627]: 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: 317]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: x == \old(x) && iy == \old(iy) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant [2018-11-18 11:45:10,189 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,189 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,189 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,189 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] Derived loop invariant: (\exists __kernel_tanf_~hx~2 : bv32 :: !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32) && ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x)) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant [2018-11-18 11:45:10,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2018-11-18 11:45:10,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] Derived loop invariant: (\exists __kernel_tanf_~hx~2 : bv32 :: !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32) && ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x)) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 291 locations, 1 error locations. SAFE Result, 22.6s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 17.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 925 SDtfs, 139 SDslu, 2853 SDs, 0 SdLazy, 466 SolverSat, 39 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 203 PreInvPairs, 285 NumberOfFragments, 248 HoareAnnotationTreeSize, 203 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 69 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 162 ConstructedInterpolants, 15 QuantifiedInterpolants, 18979 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1251 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...