./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/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 5fe31b16a9cb808afe0897c04a27b4a4516ff173 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/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 5fe31b16a9cb808afe0897c04a27b4a4516ff173 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:31:12,294 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:31:12,295 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:31:12,304 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:31:12,304 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:31:12,305 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:31:12,306 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:31:12,307 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:31:12,309 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:31:12,309 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:31:12,310 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:31:12,310 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:31:12,311 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:31:12,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:31:12,313 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:31:12,313 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:31:12,314 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:31:12,315 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:31:12,317 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:31:12,318 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:31:12,319 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:31:12,320 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:31:12,322 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:31:12,322 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:31:12,323 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:31:12,323 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:31:12,325 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:31:12,325 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:31:12,326 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:31:12,327 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:31:12,327 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:31:12,327 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:31:12,328 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:31:12,328 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:31:12,329 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:31:12,330 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:31:12,330 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 20:31:12,341 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:31:12,346 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:31:12,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:31:12,347 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:31:12,347 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:31:12,347 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:31:12,348 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 20:31:12,348 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:31:12,348 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 20:31:12,348 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 20:31:12,348 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:31:12,349 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:31:12,349 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:31:12,349 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:31:12,349 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:31:12,349 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:31:12,349 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:31:12,349 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:31:12,350 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:31:12,350 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:31:12,350 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:31:12,350 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:31:12,350 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:31:12,350 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:31:12,350 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:31:12,351 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:31:12,351 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:31:12,351 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:31:12,351 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:31:12,351 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:31:12,351 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 20:31:12,351 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:31:12,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:31:12,352 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:31:12,352 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_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/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 -> 5fe31b16a9cb808afe0897c04a27b4a4516ff173 [2018-10-26 20:31:12,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:31:12,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:31:12,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:31:12,402 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:31:12,402 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:31:12,403 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-10-26 20:31:12,450 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/data/26daa9cb2/95240021145b492c92bf0e9511aee5dc/FLAG16473e271 [2018-10-26 20:31:12,786 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:31:12,786 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-10-26 20:31:12,797 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/data/26daa9cb2/95240021145b492c92bf0e9511aee5dc/FLAG16473e271 [2018-10-26 20:31:12,809 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/data/26daa9cb2/95240021145b492c92bf0e9511aee5dc [2018-10-26 20:31:12,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:31:12,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:31:12,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:31:12,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:31:12,821 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:31:12,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:31:12" (1/1) ... [2018-10-26 20:31:12,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d9c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:12, skipping insertion in model container [2018-10-26 20:31:12,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:31:12" (1/1) ... [2018-10-26 20:31:12,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:31:12,852 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:31:13,009 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:31:13,012 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:31:13,056 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:31:13,074 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:31:13,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:13 WrapperNode [2018-10-26 20:31:13,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:31:13,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:31:13,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:31:13,076 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:31:13,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:13" (1/1) ... [2018-10-26 20:31:13,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:13" (1/1) ... [2018-10-26 20:31:13,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:31:13,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:31:13,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:31:13,133 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:31:13,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:13" (1/1) ... [2018-10-26 20:31:13,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:13" (1/1) ... [2018-10-26 20:31:13,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:13" (1/1) ... [2018-10-26 20:31:13,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:13" (1/1) ... [2018-10-26 20:31:13,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:13" (1/1) ... [2018-10-26 20:31:13,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:13" (1/1) ... [2018-10-26 20:31:13,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:13" (1/1) ... [2018-10-26 20:31:13,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:31:13,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:31:13,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:31:13,282 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:31:13,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/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 [2018-10-26 20:31:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:31:13,351 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:31:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:31:13,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:31:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-10-26 20:31:13,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-10-26 20:31:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:31:13,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:31:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-10-26 20:31:13,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-10-26 20:31:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-10-26 20:31:13,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-10-26 20:31:14,750 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:31:14,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:31:14 BoogieIcfgContainer [2018-10-26 20:31:14,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:31:14,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:31:14,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:31:14,755 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:31:14,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:31:12" (1/3) ... [2018-10-26 20:31:14,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c929f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:31:14, skipping insertion in model container [2018-10-26 20:31:14,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:13" (2/3) ... [2018-10-26 20:31:14,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c929f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:31:14, skipping insertion in model container [2018-10-26 20:31:14,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:31:14" (3/3) ... [2018-10-26 20:31:14,758 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270d_true-unreach-call.c [2018-10-26 20:31:14,767 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:31:14,774 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:31:14,788 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:31:14,815 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:31:14,816 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:31:14,816 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:31:14,816 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:31:14,816 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:31:14,817 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:31:14,817 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:31:14,817 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:31:14,834 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2018-10-26 20:31:14,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:31:14,840 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:31:14,841 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] [2018-10-26 20:31:14,843 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:31:14,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:31:14,849 INFO L82 PathProgramCache]: Analyzing trace with hash -68355118, now seen corresponding path program 1 times [2018-10-26 20:31:14,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:31:14,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:31:14,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:31:14,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:31:14,894 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:31:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:31:14,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:31:14,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:31:14,968 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:31:14,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:31:14,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:31:14,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:31:14,990 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 2 states. [2018-10-26 20:31:15,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:31:15,017 INFO L93 Difference]: Finished difference Result 200 states and 317 transitions. [2018-10-26 20:31:15,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:31:15,018 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 28 [2018-10-26 20:31:15,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:31:15,027 INFO L225 Difference]: With dead ends: 200 [2018-10-26 20:31:15,028 INFO L226 Difference]: Without dead ends: 100 [2018-10-26 20:31:15,031 INFO L605 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 [2018-10-26 20:31:15,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-26 20:31:15,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-10-26 20:31:15,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-26 20:31:15,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2018-10-26 20:31:15,079 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 28 [2018-10-26 20:31:15,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:31:15,079 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2018-10-26 20:31:15,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:31:15,079 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2018-10-26 20:31:15,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 20:31:15,081 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:31:15,081 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:31:15,082 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:31:15,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:31:15,082 INFO L82 PathProgramCache]: Analyzing trace with hash 267428994, now seen corresponding path program 1 times [2018-10-26 20:31:15,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:31:15,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:31:15,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:31:15,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:31:15,083 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:31:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:31:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:31:15,316 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 20:31:15,338 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,339 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,340 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,340 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,341 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,342 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,342 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,342 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,342 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,343 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,343 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,346 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,347 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,347 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,347 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,347 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,348 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,348 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,348 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,348 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,348 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,349 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,349 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,349 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,349 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,349 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,350 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,350 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,350 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,350 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,351 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,351 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,351 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,351 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,352 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,352 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,358 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,359 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,361 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,362 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,362 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,363 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,363 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,363 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,363 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,364 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,364 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,364 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,364 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,365 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,365 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,365 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,366 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,366 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,366 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,366 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,367 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,367 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,367 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,367 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,368 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,368 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,368 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,374 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,374 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,375 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:31:15,376 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,377 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:31:15,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:31:15 BoogieIcfgContainer [2018-10-26 20:31:15,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:31:15,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:31:15,400 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:31:15,400 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:31:15,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:31:14" (3/4) ... [2018-10-26 20:31:15,405 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 20:31:15,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:31:15,406 INFO L168 Benchmark]: Toolchain (without parser) took 2593.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 962.5 MB in the beginning and 1.0 GB in the end (delta: -74.1 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:31:15,407 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:31:15,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.44 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 945.1 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:31:15,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.97 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 939.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:31:15,409 INFO L168 Benchmark]: Boogie Preprocessor took 148.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:31:15,410 INFO L168 Benchmark]: RCFGBuilder took 1469.09 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: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:31:15,411 INFO L168 Benchmark]: TraceAbstraction took 647.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:31:15,411 INFO L168 Benchmark]: Witness Printer took 5.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:31:15,415 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.44 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 945.1 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.97 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 939.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 148.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1469.09 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: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 647.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 234]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 118, overapproximation of bitwiseAnd at line 218. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=6442450951, \old(tiny_sqrt)=6442450958, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L229] float x = __VERIFIER_nondet_float(); [L230] float y = -1.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L231] CALL, EXPR __ieee754_hypotf(x, y) VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L82] float a = x, b = y, t1, t2, y1, y2, w; [L83] __int32_t j, k, ha, hb; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L86] CALL ieee_float_shape_type gf_u; [L86] RET ieee_float_shape_type gf_u; [L87] CALL gf_u.value = (x) [L87] RET gf_u.value = (x) [L88] CALL, EXPR gf_u.word [L88] RET, EXPR gf_u.word [L88] (ha) = gf_u.word [L88] RET (ha) = gf_u.word [L89] COND FALSE !(0) VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L90] ha &= 0x7fffffffL VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L92] CALL ieee_float_shape_type gf_u; [L92] RET ieee_float_shape_type gf_u; [L93] CALL gf_u.value = (y) [L93] RET gf_u.value = (y) [L94] CALL, EXPR gf_u.word [L94] RET, EXPR gf_u.word [L94] (hb) = gf_u.word [L94] RET (hb) = gf_u.word [L95] COND FALSE !(0) VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L96] hb &= 0x7fffffffL VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L97] COND TRUE hb > ha [L98] a = y [L99] b = x [L100] j = ha [L101] ha = hb [L102] hb = j VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L108] CALL ieee_float_shape_type sf_u; [L108] RET ieee_float_shape_type sf_u; [L109] CALL sf_u.word = (ha) [L109] RET sf_u.word = (ha) [L110] CALL, EXPR sf_u.value [L110] RET, EXPR sf_u.value [L110] (a) = sf_u.value [L110] RET (a) = sf_u.value [L111] COND FALSE !(0) VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L113] CALL ieee_float_shape_type sf_u; [L113] RET ieee_float_shape_type sf_u; [L114] CALL sf_u.word = (hb) [L114] RET sf_u.word = (hb) [L115] CALL, EXPR sf_u.value [L115] RET, EXPR sf_u.value [L115] (b) = sf_u.value [L115] RET (b) = sf_u.value [L116] COND FALSE !(0) VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L117] COND TRUE (ha - hb) > 0xf000000L [L118] RET return a + b; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L231] EXPR __ieee754_hypotf(x, y) VAL [__ieee754_hypotf(x, y)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949, y=6442450950] [L231] float res = __ieee754_hypotf(x, y); [L233] CALL, EXPR isinf_float(res) VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L212] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L214] CALL ieee_float_shape_type gf_u; [L214] RET ieee_float_shape_type gf_u; [L215] CALL gf_u.value = (x) [L215] RET gf_u.value = (x) [L216] CALL, EXPR gf_u.word [L216] RET, EXPR gf_u.word [L216] (ix) = gf_u.word [L216] RET (ix) = gf_u.word [L217] COND FALSE !(0) VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L218] ix &= 0x7fffffff [L219] RET return ((ix) == 0x7f800000L); VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L233] EXPR isinf_float(res) VAL [isinf_float(res)=0, one_sqrt=1, res=6442450946, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949, y=6442450950] [L233] COND TRUE !isinf_float(res) [L234] __VERIFIER_error() VAL [one_sqrt=1, res=6442450946, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949, y=6442450950] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 104 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 126 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=104occurred 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, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 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 0.1.23-1dbac8b [2018-10-26 20:31:17,326 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:31:17,327 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:31:17,340 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:31:17,341 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:31:17,341 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:31:17,342 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:31:17,344 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:31:17,345 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:31:17,346 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:31:17,347 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:31:17,347 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:31:17,348 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:31:17,349 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:31:17,350 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:31:17,350 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:31:17,351 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:31:17,353 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:31:17,354 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:31:17,355 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:31:17,356 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:31:17,357 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:31:17,359 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:31:17,359 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:31:17,360 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:31:17,361 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:31:17,361 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:31:17,362 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:31:17,363 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:31:17,364 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:31:17,364 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:31:17,365 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:31:17,365 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:31:17,365 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:31:17,366 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:31:17,367 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:31:17,367 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 20:31:17,378 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:31:17,378 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:31:17,379 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:31:17,379 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:31:17,379 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:31:17,380 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:31:17,380 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:31:17,380 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:31:17,381 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:31:17,381 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:31:17,381 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:31:17,382 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:31:17,382 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:31:17,382 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:31:17,382 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:31:17,382 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:31:17,382 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:31:17,382 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:31:17,382 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:31:17,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:31:17,383 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:31:17,383 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:31:17,383 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:31:17,383 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:31:17,383 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:31:17,383 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:31:17,384 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:31:17,384 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:31:17,384 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 20:31:17,384 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:31:17,386 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:31:17,386 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:31:17,386 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_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/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 -> 5fe31b16a9cb808afe0897c04a27b4a4516ff173 [2018-10-26 20:31:17,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:31:17,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:31:17,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:31:17,446 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:31:17,447 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:31:17,447 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-10-26 20:31:17,495 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/data/5366826cf/3c4f5b28fa724dedad04fcfb7e0d2d26/FLAGb9d3b1abe [2018-10-26 20:31:17,915 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:31:17,916 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-10-26 20:31:17,924 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/data/5366826cf/3c4f5b28fa724dedad04fcfb7e0d2d26/FLAGb9d3b1abe [2018-10-26 20:31:17,934 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/data/5366826cf/3c4f5b28fa724dedad04fcfb7e0d2d26 [2018-10-26 20:31:17,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:31:17,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:31:17,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:31:17,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:31:17,946 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:31:17,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:31:17" (1/1) ... [2018-10-26 20:31:17,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca949da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:17, skipping insertion in model container [2018-10-26 20:31:17,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:31:17" (1/1) ... [2018-10-26 20:31:17,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:31:17,988 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:31:18,192 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:31:18,198 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:31:18,248 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:31:18,269 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:31:18,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:18 WrapperNode [2018-10-26 20:31:18,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:31:18,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:31:18,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:31:18,271 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:31:18,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:18" (1/1) ... [2018-10-26 20:31:18,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:18" (1/1) ... [2018-10-26 20:31:18,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:31:18,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:31:18,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:31:18,341 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:31:18,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:18" (1/1) ... [2018-10-26 20:31:18,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:18" (1/1) ... [2018-10-26 20:31:18,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:18" (1/1) ... [2018-10-26 20:31:18,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:18" (1/1) ... [2018-10-26 20:31:18,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:18" (1/1) ... [2018-10-26 20:31:18,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:18" (1/1) ... [2018-10-26 20:31:18,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:18" (1/1) ... [2018-10-26 20:31:18,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:31:18,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:31:18,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:31:18,394 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:31:18,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/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 [2018-10-26 20:31:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:31:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:31:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:31:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:31:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-10-26 20:31:18,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-10-26 20:31:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:31:18,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:31:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-10-26 20:31:18,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-10-26 20:31:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-10-26 20:31:18,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-10-26 20:31:18,878 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:31:19,278 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:31:19,508 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:31:20,075 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:31:20,592 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:31:20,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:31:20 BoogieIcfgContainer [2018-10-26 20:31:20,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:31:20,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:31:20,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:31:20,596 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:31:20,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:31:17" (1/3) ... [2018-10-26 20:31:20,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5b2624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:31:20, skipping insertion in model container [2018-10-26 20:31:20,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:31:18" (2/3) ... [2018-10-26 20:31:20,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5b2624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:31:20, skipping insertion in model container [2018-10-26 20:31:20,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:31:20" (3/3) ... [2018-10-26 20:31:20,599 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270d_true-unreach-call.c [2018-10-26 20:31:20,609 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:31:20,617 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:31:20,626 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:31:20,648 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:31:20,648 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:31:20,649 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:31:20,649 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:31:20,649 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:31:20,649 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:31:20,649 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:31:20,649 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:31:20,649 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:31:20,664 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-10-26 20:31:20,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:31:20,669 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:31:20,670 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:31:20,672 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:31:20,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:31:20,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1205654954, now seen corresponding path program 1 times [2018-10-26 20:31:20,680 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:31:20,680 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/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 [2018-10-26 20:31:20,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:31:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:20,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:31:20,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:31:20,812 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:31:20,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:31:20,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:31:20,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:31:20,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:31:20,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:31:20,851 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2018-10-26 20:31:20,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:31:20,887 INFO L93 Difference]: Finished difference Result 198 states and 315 transitions. [2018-10-26 20:31:20,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:31:20,889 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-10-26 20:31:20,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:31:20,899 INFO L225 Difference]: With dead ends: 198 [2018-10-26 20:31:20,899 INFO L226 Difference]: Without dead ends: 99 [2018-10-26 20:31:20,902 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:31:20,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-10-26 20:31:20,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-10-26 20:31:20,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-10-26 20:31:20,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 121 transitions. [2018-10-26 20:31:20,945 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 121 transitions. Word has length 27 [2018-10-26 20:31:20,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:31:20,945 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 121 transitions. [2018-10-26 20:31:20,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:31:20,946 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2018-10-26 20:31:20,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 20:31:20,947 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:31:20,947 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:31:20,947 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:31:20,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:31:20,948 INFO L82 PathProgramCache]: Analyzing trace with hash 221052918, now seen corresponding path program 1 times [2018-10-26 20:31:20,950 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:31:20,950 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 20:31:20,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-10-26 20:31:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:21,084 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:31:21,798 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 17 [2018-10-26 20:31:21,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:31:21,987 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:31:22,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:31:22,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:31:22,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:31:22,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:31:22,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:31:22,015 INFO L87 Difference]: Start difference. First operand 99 states and 121 transitions. Second operand 9 states. [2018-10-26 20:31:23,066 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2018-10-26 20:31:52,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:31:52,616 INFO L93 Difference]: Finished difference Result 200 states and 244 transitions. [2018-10-26 20:31:52,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 20:31:52,659 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-10-26 20:31:52,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:31:52,662 INFO L225 Difference]: With dead ends: 200 [2018-10-26 20:31:52,663 INFO L226 Difference]: Without dead ends: 153 [2018-10-26 20:31:52,664 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2018-10-26 20:31:52,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-10-26 20:31:52,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 113. [2018-10-26 20:31:52,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-10-26 20:31:52,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 137 transitions. [2018-10-26 20:31:52,688 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 137 transitions. Word has length 32 [2018-10-26 20:31:52,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:31:52,689 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 137 transitions. [2018-10-26 20:31:52,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:31:52,689 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 137 transitions. [2018-10-26 20:31:52,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 20:31:52,690 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:31:52,690 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:31:52,692 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:31:52,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:31:52,692 INFO L82 PathProgramCache]: Analyzing trace with hash -2079769672, now seen corresponding path program 1 times [2018-10-26 20:31:52,692 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:31:52,693 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/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 [2018-10-26 20:31:52,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:31:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:52,827 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:31:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:31:55,893 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:31:55,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:31:55,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-10-26 20:31:55,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-26 20:31:55,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-26 20:31:55,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2018-10-26 20:31:55,908 INFO L87 Difference]: Start difference. First operand 113 states and 137 transitions. Second operand 17 states. [2018-10-26 20:32:04,152 WARN L179 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2018-10-26 20:32:09,859 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-10-26 20:32:58,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:32:58,405 INFO L93 Difference]: Finished difference Result 180 states and 219 transitions. [2018-10-26 20:32:58,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-26 20:32:58,470 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 32 [2018-10-26 20:32:58,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:32:58,472 INFO L225 Difference]: With dead ends: 180 [2018-10-26 20:32:58,472 INFO L226 Difference]: Without dead ends: 173 [2018-10-26 20:32:58,473 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=99, Invalid=657, Unknown=0, NotChecked=0, Total=756 [2018-10-26 20:32:58,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-10-26 20:32:58,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 113. [2018-10-26 20:32:58,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-10-26 20:32:58,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 136 transitions. [2018-10-26 20:32:58,489 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 136 transitions. Word has length 32 [2018-10-26 20:32:58,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:32:58,490 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 136 transitions. [2018-10-26 20:32:58,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-26 20:32:58,490 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 136 transitions. [2018-10-26 20:32:58,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 20:32:58,491 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:32:58,491 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] [2018-10-26 20:32:58,491 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:32:58,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:32:58,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1344051253, now seen corresponding path program 1 times [2018-10-26 20:32:58,492 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:32:58,492 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 20:32:58,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-10-26 20:32:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:32:58,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:32:58,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:32:58,704 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:32:58,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:32:58,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 20:32:58,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 20:32:58,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 20:32:58,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:32:58,718 INFO L87 Difference]: Start difference. First operand 113 states and 136 transitions. Second operand 8 states. [2018-10-26 20:33:36,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:33:36,686 INFO L93 Difference]: Finished difference Result 212 states and 252 transitions. [2018-10-26 20:33:36,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 20:33:36,730 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-10-26 20:33:36,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:33:36,731 INFO L225 Difference]: With dead ends: 212 [2018-10-26 20:33:36,731 INFO L226 Difference]: Without dead ends: 128 [2018-10-26 20:33:36,732 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-10-26 20:33:36,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-10-26 20:33:36,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 108. [2018-10-26 20:33:36,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-10-26 20:33:36,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 129 transitions. [2018-10-26 20:33:36,748 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 129 transitions. Word has length 35 [2018-10-26 20:33:36,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:33:36,748 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 129 transitions. [2018-10-26 20:33:36,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 20:33:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 129 transitions. [2018-10-26 20:33:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 20:33:36,749 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:33:36,749 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] [2018-10-26 20:33:36,750 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:33:36,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:33:36,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1488049179, now seen corresponding path program 1 times [2018-10-26 20:33:36,750 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:33:36,750 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/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 [2018-10-26 20:33:36,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:33:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:36,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:33:37,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:37,367 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:33:37,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:33:37,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-10-26 20:33:37,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-26 20:33:37,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-26 20:33:37,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-10-26 20:33:37,376 INFO L87 Difference]: Start difference. First operand 108 states and 129 transitions. Second operand 15 states. [2018-10-26 20:33:56,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:33:56,860 INFO L93 Difference]: Finished difference Result 137 states and 163 transitions. [2018-10-26 20:33:56,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-26 20:33:56,860 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2018-10-26 20:33:56,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:33:56,861 INFO L225 Difference]: With dead ends: 137 [2018-10-26 20:33:56,861 INFO L226 Difference]: Without dead ends: 129 [2018-10-26 20:33:56,862 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2018-10-26 20:33:56,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-10-26 20:33:56,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 111. [2018-10-26 20:33:56,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-10-26 20:33:56,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 134 transitions. [2018-10-26 20:33:56,876 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 134 transitions. Word has length 37 [2018-10-26 20:33:56,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:33:56,876 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 134 transitions. [2018-10-26 20:33:56,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-26 20:33:56,877 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 134 transitions. [2018-10-26 20:33:56,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 20:33:56,878 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:33:56,878 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] [2018-10-26 20:33:56,878 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:33:56,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:33:56,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1795800867, now seen corresponding path program 1 times [2018-10-26 20:33:56,879 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:33:56,879 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/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 [2018-10-26 20:33:56,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:33:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:57,013 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:33:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:57,109 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:33:57,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:33:57,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:33:57,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:33:57,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:33:57,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:33:57,129 INFO L87 Difference]: Start difference. First operand 111 states and 134 transitions. Second operand 7 states. [2018-10-26 20:34:12,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:34:12,173 INFO L93 Difference]: Finished difference Result 139 states and 163 transitions. [2018-10-26 20:34:12,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:34:12,217 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2018-10-26 20:34:12,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:34:12,218 INFO L225 Difference]: With dead ends: 139 [2018-10-26 20:34:12,218 INFO L226 Difference]: Without dead ends: 123 [2018-10-26 20:34:12,219 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:34:12,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-10-26 20:34:12,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 109. [2018-10-26 20:34:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-10-26 20:34:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 130 transitions. [2018-10-26 20:34:12,234 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 130 transitions. Word has length 37 [2018-10-26 20:34:12,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:34:12,235 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 130 transitions. [2018-10-26 20:34:12,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:34:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2018-10-26 20:34:12,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 20:34:12,236 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:34:12,237 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] [2018-10-26 20:34:12,238 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:34:12,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:34:12,238 INFO L82 PathProgramCache]: Analyzing trace with hash 317389155, now seen corresponding path program 1 times [2018-10-26 20:34:12,238 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:34:12,238 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-10-26 20:34:12,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:34:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:12,355 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:34:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:12,537 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:34:12,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:34:12,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:34:12,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:34:12,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:34:12,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:34:12,546 INFO L87 Difference]: Start difference. First operand 109 states and 130 transitions. Second operand 9 states. [2018-10-26 20:34:34,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:34:34,975 INFO L93 Difference]: Finished difference Result 139 states and 161 transitions. [2018-10-26 20:34:35,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:34:35,024 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-10-26 20:34:35,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:34:35,024 INFO L225 Difference]: With dead ends: 139 [2018-10-26 20:34:35,024 INFO L226 Difference]: Without dead ends: 125 [2018-10-26 20:34:35,025 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-10-26 20:34:35,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-10-26 20:34:35,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 109. [2018-10-26 20:34:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-10-26 20:34:35,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 129 transitions. [2018-10-26 20:34:35,038 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 129 transitions. Word has length 37 [2018-10-26 20:34:35,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:34:35,038 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 129 transitions. [2018-10-26 20:34:35,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:34:35,038 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 129 transitions. [2018-10-26 20:34:35,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 20:34:35,039 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:34:35,039 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] [2018-10-26 20:34:35,039 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:34:35,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:34:35,039 INFO L82 PathProgramCache]: Analyzing trace with hash -693728095, now seen corresponding path program 1 times [2018-10-26 20:34:35,040 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:34:35,040 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-10-26 20:34:35,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:34:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:35,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:34:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:35,796 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:34:35,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:34:35,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-10-26 20:34:35,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-26 20:34:35,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-26 20:34:35,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-10-26 20:34:35,805 INFO L87 Difference]: Start difference. First operand 109 states and 129 transitions. Second operand 16 states. [2018-10-26 20:34:57,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:34:57,622 INFO L93 Difference]: Finished difference Result 135 states and 157 transitions. [2018-10-26 20:34:57,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-26 20:34:57,623 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 37 [2018-10-26 20:34:57,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:34:57,624 INFO L225 Difference]: With dead ends: 135 [2018-10-26 20:34:57,624 INFO L226 Difference]: Without dead ends: 126 [2018-10-26 20:34:57,624 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=94, Invalid=662, Unknown=0, NotChecked=0, Total=756 [2018-10-26 20:34:57,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-10-26 20:34:57,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 109. [2018-10-26 20:34:57,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-10-26 20:34:57,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2018-10-26 20:34:57,638 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 37 [2018-10-26 20:34:57,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:34:57,638 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2018-10-26 20:34:57,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-26 20:34:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2018-10-26 20:34:57,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 20:34:57,640 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:34:57,640 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] [2018-10-26 20:34:57,640 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:34:57,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:34:57,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1973591773, now seen corresponding path program 1 times [2018-10-26 20:34:57,642 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:34:57,642 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-10-26 20:34:57,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:34:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:57,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:34:57,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:57,846 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:34:57,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:34:57,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 20:34:57,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 20:34:57,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 20:34:57,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:34:57,855 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 8 states. [2018-10-26 20:35:22,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:35:22,865 INFO L93 Difference]: Finished difference Result 171 states and 198 transitions. [2018-10-26 20:35:22,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:35:22,916 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-10-26 20:35:22,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:35:22,917 INFO L225 Difference]: With dead ends: 171 [2018-10-26 20:35:22,917 INFO L226 Difference]: Without dead ends: 113 [2018-10-26 20:35:22,918 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-10-26 20:35:22,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-10-26 20:35:22,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 99. [2018-10-26 20:35:22,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-10-26 20:35:22,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2018-10-26 20:35:22,930 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 37 [2018-10-26 20:35:22,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:35:22,930 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2018-10-26 20:35:22,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 20:35:22,931 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2018-10-26 20:35:22,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 20:35:22,931 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:35:22,931 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:35:22,931 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:35:22,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:35:22,932 INFO L82 PathProgramCache]: Analyzing trace with hash -2081898221, now seen corresponding path program 1 times [2018-10-26 20:35:22,932 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:35:22,934 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-10-26 20:35:22,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:35:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:23,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:35:23,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:35:23,363 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:35:23,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:35:23,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:35:23,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:35:23,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:35:23,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:35:23,372 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 9 states. [2018-10-26 20:35:40,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:35:40,575 INFO L93 Difference]: Finished difference Result 124 states and 142 transitions. [2018-10-26 20:35:40,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 20:35:40,610 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-10-26 20:35:40,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:35:40,611 INFO L225 Difference]: With dead ends: 124 [2018-10-26 20:35:40,611 INFO L226 Difference]: Without dead ends: 77 [2018-10-26 20:35:40,612 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-10-26 20:35:40,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-10-26 20:35:40,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-10-26 20:35:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-10-26 20:35:40,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2018-10-26 20:35:40,626 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 40 [2018-10-26 20:35:40,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:35:40,627 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2018-10-26 20:35:40,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:35:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2018-10-26 20:35:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 20:35:40,627 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:35:40,628 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:35:40,628 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:35:40,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:35:40,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1737672354, now seen corresponding path program 1 times [2018-10-26 20:35:40,631 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:35:40,631 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 20:35:40,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2018-10-26 20:35:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:41,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:35:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:35:41,527 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:35:41,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:35:41,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:35:41,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:35:41,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:35:41,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:35:41,551 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 9 states. [2018-10-26 20:35:42,316 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2018-10-26 20:35:45,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:35:45,585 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2018-10-26 20:35:45,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:35:45,585 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2018-10-26 20:35:45,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:35:45,586 INFO L225 Difference]: With dead ends: 77 [2018-10-26 20:35:45,586 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 20:35:45,586 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-10-26 20:35:45,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 20:35:45,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 20:35:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 20:35:45,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 20:35:45,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2018-10-26 20:35:45,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:35:45,587 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 20:35:45,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:35:45,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 20:35:45,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:35:45,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 20:35:46,070 WARN L179 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 19 [2018-10-26 20:35:46,723 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:35:46,723 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:35:46,723 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:35:46,723 INFO L425 ceAbstractionStarter]: For program point L213-1(lines 213 217) no Hoare annotation was computed. [2018-10-26 20:35:46,723 INFO L421 ceAbstractionStarter]: At program point L213-3(lines 213 217) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-10-26 20:35:46,724 INFO L425 ceAbstractionStarter]: For program point L213-4(lines 213 217) no Hoare annotation was computed. [2018-10-26 20:35:46,724 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 211 220) the Hoare annotation is: true [2018-10-26 20:35:46,724 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 211 220) no Hoare annotation was computed. [2018-10-26 20:35:46,724 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 211 220) no Hoare annotation was computed. [2018-10-26 20:35:46,724 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:35:46,724 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 20:35:46,724 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:35:46,724 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:35:46,724 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 222 238) the Hoare annotation is: true [2018-10-26 20:35:46,724 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2018-10-26 20:35:46,724 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 222 238) no Hoare annotation was computed. [2018-10-26 20:35:46,724 INFO L425 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2018-10-26 20:35:46,725 INFO L421 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (and (exists ((v___ieee754_hypotf_~hb~0_30 (_ BitVec 32))) (and (= main_~res~0 (let ((.cse0 (bvand v___ieee754_hypotf_~hb~0_30 (_ bv2147483647 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_30) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_30) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_30))))) (= (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)) main_~y~0)) [2018-10-26 20:35:46,725 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 222 238) no Hoare annotation was computed. [2018-10-26 20:35:46,725 INFO L425 ceAbstractionStarter]: For program point L233-1(lines 233 236) no Hoare annotation was computed. [2018-10-26 20:35:46,725 INFO L421 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (= (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)) main_~y~0) [2018-10-26 20:35:46,725 INFO L425 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2018-10-26 20:35:46,725 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-10-26 20:35:46,725 INFO L421 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) [2018-10-26 20:35:46,725 INFO L425 ceAbstractionStarter]: For program point L85-4(lines 85 89) no Hoare annotation was computed. [2018-10-26 20:35:46,725 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 185 189) no Hoare annotation was computed. [2018-10-26 20:35:46,725 INFO L421 ceAbstractionStarter]: At program point L185-3(lines 185 189) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand v___ieee754_hypotf_~hb~0_36 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-10-26 20:35:46,725 INFO L425 ceAbstractionStarter]: For program point L185-4(lines 185 189) no Hoare annotation was computed. [2018-10-26 20:35:46,726 INFO L425 ceAbstractionStarter]: For program point __ieee754_hypotfFINAL(lines 81 208) no Hoare annotation was computed. [2018-10-26 20:35:46,726 INFO L425 ceAbstractionStarter]: For program point __ieee754_hypotfEXIT(lines 81 208) no Hoare annotation was computed. [2018-10-26 20:35:46,726 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 144) no Hoare annotation was computed. [2018-10-26 20:35:46,726 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 81 208) no Hoare annotation was computed. [2018-10-26 20:35:46,726 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 129) no Hoare annotation was computed. [2018-10-26 20:35:46,726 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 143) no Hoare annotation was computed. [2018-10-26 20:35:46,726 INFO L425 ceAbstractionStarter]: For program point L139-2(lines 121 144) no Hoare annotation was computed. [2018-10-26 20:35:46,726 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. [2018-10-26 20:35:46,726 INFO L425 ceAbstractionStarter]: For program point L107-2(lines 81 208) no Hoare annotation was computed. [2018-10-26 20:35:46,726 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-10-26 20:35:46,726 INFO L425 ceAbstractionStarter]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2018-10-26 20:35:46,726 INFO L425 ceAbstractionStarter]: For program point L124-2(lines 122 129) no Hoare annotation was computed. [2018-10-26 20:35:46,726 INFO L421 ceAbstractionStarter]: At program point L91-3(lines 91 95) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~ha~0_31 (_ BitVec 32))) (= (bvand v___ieee754_hypotf_~ha~0_31 (_ bv2147483647 32)) __ieee754_hypotf_~ha~0))) [2018-10-26 20:35:46,727 INFO L425 ceAbstractionStarter]: For program point L91-4(lines 91 95) no Hoare annotation was computed. [2018-10-26 20:35:46,727 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2018-10-26 20:35:46,727 INFO L421 ceAbstractionStarter]: At program point L191-3(lines 191 195) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand v___ieee754_hypotf_~hb~0_36 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-10-26 20:35:46,727 INFO L425 ceAbstractionStarter]: For program point L191-4(lines 191 195) no Hoare annotation was computed. [2018-10-26 20:35:46,727 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 198) no Hoare annotation was computed. [2018-10-26 20:35:46,727 INFO L425 ceAbstractionStarter]: For program point L175-2(lines 81 208) no Hoare annotation was computed. [2018-10-26 20:35:46,727 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 126 127) no Hoare annotation was computed. [2018-10-26 20:35:46,727 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2018-10-26 20:35:46,727 INFO L421 ceAbstractionStarter]: At program point L176-3(lines 176 180) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand v___ieee754_hypotf_~hb~0_36 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-10-26 20:35:46,727 INFO L425 ceAbstractionStarter]: For program point L176-4(lines 176 180) no Hoare annotation was computed. [2018-10-26 20:35:46,727 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2018-10-26 20:35:46,727 INFO L421 ceAbstractionStarter]: At program point L161-3(lines 161 165) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand v___ieee754_hypotf_~hb~0_36 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-10-26 20:35:46,727 INFO L425 ceAbstractionStarter]: For program point L145(lines 145 172) no Hoare annotation was computed. [2018-10-26 20:35:46,728 INFO L425 ceAbstractionStarter]: For program point L112(lines 112 116) no Hoare annotation was computed. [2018-10-26 20:35:46,728 INFO L425 ceAbstractionStarter]: For program point L112-2(lines 81 208) no Hoare annotation was computed. [2018-10-26 20:35:46,728 INFO L425 ceAbstractionStarter]: For program point L112-3(lines 81 208) no Hoare annotation was computed. [2018-10-26 20:35:46,728 INFO L428 ceAbstractionStarter]: At program point __ieee754_hypotfENTRY(lines 81 208) the Hoare annotation is: true [2018-10-26 20:35:46,728 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 171) no Hoare annotation was computed. [2018-10-26 20:35:46,728 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 106) no Hoare annotation was computed. [2018-10-26 20:35:46,728 INFO L421 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand v___ieee754_hypotf_~hb~0_36 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-10-26 20:35:46,728 INFO L425 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-10-26 20:35:46,728 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 171) no Hoare annotation was computed. [2018-10-26 20:35:46,728 INFO L421 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand v___ieee754_hypotf_~hb~0_36 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-10-26 20:35:46,728 INFO L425 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-10-26 20:35:46,728 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-10-26 20:35:46,729 INFO L421 ceAbstractionStarter]: At program point L149-3(lines 149 153) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand v___ieee754_hypotf_~hb~0_36 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-10-26 20:35:46,729 INFO L425 ceAbstractionStarter]: For program point L149-4(lines 149 153) no Hoare annotation was computed. [2018-10-26 20:35:46,729 INFO L425 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-10-26 20:35:46,729 INFO L425 ceAbstractionStarter]: For program point L166-2(lines 157 171) no Hoare annotation was computed. [2018-10-26 20:35:46,729 INFO L425 ceAbstractionStarter]: For program point L200-1(lines 200 204) no Hoare annotation was computed. [2018-10-26 20:35:46,729 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-10-26 20:35:46,729 INFO L421 ceAbstractionStarter]: At program point L200-3(lines 200 204) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand v___ieee754_hypotf_~hb~0_36 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-10-26 20:35:46,729 INFO L425 ceAbstractionStarter]: For program point L200-4(lines 200 204) no Hoare annotation was computed. [2018-10-26 20:35:46,729 INFO L421 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand v___ieee754_hypotf_~hb~0_36 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-10-26 20:35:46,729 INFO L425 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-10-26 20:35:46,729 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-10-26 20:35:46,729 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-10-26 20:35:46,730 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-10-26 20:35:46,730 INFO L425 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-10-26 20:35:46,730 INFO L428 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-10-26 20:35:46,730 INFO L425 ceAbstractionStarter]: For program point L19-4(lines 19 23) no Hoare annotation was computed. [2018-10-26 20:35:46,730 INFO L425 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-10-26 20:35:46,730 INFO L428 ceAbstractionStarter]: At program point L73-3(lines 73 77) the Hoare annotation is: true [2018-10-26 20:35:46,730 INFO L425 ceAbstractionStarter]: For program point L73-4(lines 73 77) no Hoare annotation was computed. [2018-10-26 20:35:46,730 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2018-10-26 20:35:46,730 INFO L425 ceAbstractionStarter]: For program point L36-3(lines 36 37) no Hoare annotation was computed. [2018-10-26 20:35:46,730 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-10-26 20:35:46,730 INFO L428 ceAbstractionStarter]: At program point L36-4(lines 36 37) the Hoare annotation is: true [2018-10-26 20:35:46,730 INFO L425 ceAbstractionStarter]: For program point L36-5(lines 36 37) no Hoare annotation was computed. [2018-10-26 20:35:46,730 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-10-26 20:35:46,731 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-10-26 20:35:46,731 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-10-26 20:35:46,731 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-10-26 20:35:46,731 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-10-26 20:35:46,731 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 59) no Hoare annotation was computed. [2018-10-26 20:35:46,731 INFO L428 ceAbstractionStarter]: At program point L50-3(lines 50 59) the Hoare annotation is: true [2018-10-26 20:35:46,731 INFO L425 ceAbstractionStarter]: For program point L50-4(lines 14 79) no Hoare annotation was computed. [2018-10-26 20:35:46,731 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-10-26 20:35:46,731 INFO L425 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-10-26 20:35:46,731 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-10-26 20:35:46,731 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-10-26 20:35:46,731 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-10-26 20:35:46,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,750 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,750 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,750 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,750 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,756 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,756 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,756 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,756 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,756 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,757 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,757 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,757 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,757 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,757 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,758 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,758 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,758 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,758 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,759 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_31,QUANTIFIED] [2018-10-26 20:35:46,759 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_31,QUANTIFIED] [2018-10-26 20:35:46,760 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,760 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,772 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,773 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,773 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,773 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,773 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,774 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,774 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,774 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,774 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,774 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,775 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,775 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,775 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,775 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,776 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,776 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,776 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,776 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,776 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,776 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,777 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,777 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:35:46 BoogieIcfgContainer [2018-10-26 20:35:46,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:35:46,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:35:46,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:35:46,779 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:35:46,779 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:31:20" (3/4) ... [2018-10-26 20:35:46,793 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:35:46,799 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 20:35:46,799 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-10-26 20:35:46,800 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 20:35:46,800 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_hypotf [2018-10-26 20:35:46,800 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-10-26 20:35:46,811 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 239 nodes and edges [2018-10-26 20:35:46,812 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 132 nodes and edges [2018-10-26 20:35:46,813 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-10-26 20:35:46,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-10-26 20:35:46,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y [2018-10-26 20:35:46,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~ha~0_31 : bv32 :: ~bvand32(v___ieee754_hypotf_~ha~0_31, 2147483647bv32) == ha) [2018-10-26 20:35:46,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(v___ieee754_hypotf_~hb~0_36, 2147483647bv32), 2155872256bv32) == 0bv32)) [2018-10-26 20:35:46,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(v___ieee754_hypotf_~hb~0_36, 2147483647bv32), 2155872256bv32) == 0bv32)) [2018-10-26 20:35:46,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(v___ieee754_hypotf_~hb~0_36, 2147483647bv32), 2155872256bv32) == 0bv32)) [2018-10-26 20:35:46,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(v___ieee754_hypotf_~hb~0_36, 2147483647bv32), 2155872256bv32) == 0bv32)) [2018-10-26 20:35:46,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(v___ieee754_hypotf_~hb~0_36, 2147483647bv32), 2155872256bv32) == 0bv32)) [2018-10-26 20:35:46,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(v___ieee754_hypotf_~hb~0_36, 2147483647bv32), 2155872256bv32) == 0bv32)) [2018-10-26 20:35:46,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(v___ieee754_hypotf_~hb~0_36, 2147483647bv32), 2155872256bv32) == 0bv32)) [2018-10-26 20:35:46,921 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d4aa4ecb-698e-4fb6-be71-81cf6052ee84/bin-2019/utaipan/witness.graphml [2018-10-26 20:35:46,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:35:46,922 INFO L168 Benchmark]: Toolchain (without parser) took 268984.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 242.7 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 85.8 MB. Max. memory is 11.5 GB. [2018-10-26 20:35:46,922 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-10-26 20:35:46,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.79 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:35:46,923 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.73 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:35:46,923 INFO L168 Benchmark]: Boogie Preprocessor took 53.22 ms. Allocated memory is still 1.0 GB. Free memory was 930.4 MB in the beginning and 925.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:35:46,923 INFO L168 Benchmark]: RCFGBuilder took 2198.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 925.1 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:35:46,923 INFO L168 Benchmark]: TraceAbstraction took 266185.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -29.8 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:35:46,924 INFO L168 Benchmark]: Witness Printer took 142.72 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:35:46,928 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 330.79 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.73 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.22 ms. Allocated memory is still 1.0 GB. Free memory was 930.4 MB in the beginning and 925.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2198.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 925.1 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 266185.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -29.8 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * Witness Printer took 142.72 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 234]: 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: 85]: Loop Invariant Derived loop invariant: \old(y) == y - InvariantResult [Line: 149]: Loop Invariant [2018-10-26 20:35:46,932 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(v___ieee754_hypotf_~hb~0_36, 2147483647bv32), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant [2018-10-26 20:35:46,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,947 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(v___ieee754_hypotf_~hb~0_36, 2147483647bv32), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant [2018-10-26 20:35:46,947 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,947 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,947 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,947 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(v___ieee754_hypotf_~hb~0_36, 2147483647bv32), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 134]: Loop Invariant [2018-10-26 20:35:46,956 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,957 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,957 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,957 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,957 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,957 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,958 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,958 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(v___ieee754_hypotf_~hb~0_36, 2147483647bv32), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 91]: Loop Invariant [2018-10-26 20:35:46,958 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_31,QUANTIFIED] [2018-10-26 20:35:46,958 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_31,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~ha~0_31 : bv32 :: ~bvand32(v___ieee754_hypotf_~ha~0_31, 2147483647bv32) == ha) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 176]: Loop Invariant [2018-10-26 20:35:46,959 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,959 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,959 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,959 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,959 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,959 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,959 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,959 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(v___ieee754_hypotf_~hb~0_36, 2147483647bv32), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant [2018-10-26 20:35:46,960 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,960 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,960 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,960 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,965 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,966 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,966 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,966 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(v___ieee754_hypotf_~hb~0_36, 2147483647bv32), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 161]: Loop Invariant [2018-10-26 20:35:46,966 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,966 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,966 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,966 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,967 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,967 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,967 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-10-26 20:35:46,967 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(v___ieee754_hypotf_~hb~0_36, 2147483647bv32), 2155872256bv32) == 0bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 103 locations, 1 error locations. SAFE Result, 266.0s OverallTime, 11 OverallIterations, 1 TraceHistogramMax, 256.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1238 SDtfs, 1790 SDslu, 7485 SDs, 0 SdLazy, 2320 SolverSat, 126 SolverUnsat, 94 SolverUnknown, 0 SolverNotchecked, 244.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 461 GetRequests, 305 SyntacticMatches, 2 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 14.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=2, 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: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 199 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 115 PreInvPairs, 226 NumberOfFragments, 285 HoareAnnotationTreeSize, 115 FomulaSimplifications, 163970 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 25 FomulaSimplificationsInter, 916 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 403 NumberOfCodeBlocks, 403 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 392 ConstructedInterpolants, 156 QuantifiedInterpolants, 145996 SizeOfPredicates, 133 NumberOfNonLiveVariables, 2133 ConjunctsInSsa, 174 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...