./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0730a_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_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22720996e63b36cb2ef4e4d04061274514aafdad ........................................................................................................................................................................................................................................................................................................................... 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_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22720996e63b36cb2ef4e4d04061274514aafdad .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:09:51,671 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:09:51,672 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:09:51,687 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:09:51,687 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:09:51,688 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:09:51,689 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:09:51,690 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:09:51,693 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:09:51,694 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:09:51,695 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:09:51,695 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:09:51,696 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:09:51,697 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:09:51,698 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:09:51,698 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:09:51,701 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:09:51,703 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:09:51,704 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:09:51,706 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:09:51,707 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:09:51,717 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:09:51,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:09:51,721 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:09:51,721 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:09:51,722 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:09:51,723 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:09:51,724 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:09:51,724 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:09:51,725 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:09:51,725 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:09:51,726 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:09:51,726 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:09:51,726 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:09:51,729 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:09:51,730 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:09:51,730 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-27 00:09:51,745 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:09:51,745 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:09:51,746 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:09:51,746 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:09:51,747 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:09:51,748 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:09:51,748 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 00:09:51,748 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:09:51,748 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:09:51,748 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:09:51,748 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:09:51,749 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:09:51,749 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:09:51,749 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:09:51,749 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:09:51,749 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:09:51,749 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:09:51,749 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:09:51,750 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:09:51,750 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:09:51,750 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:09:51,750 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:09:51,750 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:09:51,750 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:09:51,750 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:09:51,751 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:09:51,751 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 00:09:51,752 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:09:51,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:09:51,752 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_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer 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 -> Automizer 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 -> 22720996e63b36cb2ef4e4d04061274514aafdad [2018-10-27 00:09:51,782 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:09:51,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:09:51,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:09:51,799 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:09:51,800 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:09:51,800 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0730a_true-unreach-call.c [2018-10-27 00:09:51,841 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/data/46f6d58cb/6966029ed4c74008936133661a055de5/FLAG92e2f7dda [2018-10-27 00:09:52,221 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:09:52,222 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/sv-benchmarks/c/float-newlib/float_req_bl_0730a_true-unreach-call.c [2018-10-27 00:09:52,228 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/data/46f6d58cb/6966029ed4c74008936133661a055de5/FLAG92e2f7dda [2018-10-27 00:09:52,241 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/data/46f6d58cb/6966029ed4c74008936133661a055de5 [2018-10-27 00:09:52,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:09:52,247 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:09:52,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:09:52,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:09:52,254 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:09:52,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:09:52" (1/1) ... [2018-10-27 00:09:52,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fbe7040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:52, skipping insertion in model container [2018-10-27 00:09:52,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:09:52" (1/1) ... [2018-10-27 00:09:52,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:09:52,285 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:09:52,422 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:09:52,425 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:09:52,449 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:09:52,465 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:09:52,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:52 WrapperNode [2018-10-27 00:09:52,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:09:52,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:09:52,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:09:52,466 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:09:52,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:52" (1/1) ... [2018-10-27 00:09:52,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:52" (1/1) ... [2018-10-27 00:09:52,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:52" (1/1) ... [2018-10-27 00:09:52,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:52" (1/1) ... [2018-10-27 00:09:52,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:52" (1/1) ... [2018-10-27 00:09:52,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:52" (1/1) ... [2018-10-27 00:09:52,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:52" (1/1) ... [2018-10-27 00:09:52,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:09:52,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:09:52,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:09:52,506 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:09:52,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/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 [2018-10-27 00:09:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:09:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:09:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-10-27 00:09:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-10-27 00:09:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:09:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 00:09:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-27 00:09:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-10-27 00:09:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:09:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-27 00:09:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 00:09:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 00:09:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 00:09:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-10-27 00:09:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-10-27 00:09:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:09:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:09:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:09:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-10-27 00:09:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-27 00:09:53,194 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:09:53,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:09:53 BoogieIcfgContainer [2018-10-27 00:09:53,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:09:53,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:09:53,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:09:53,200 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:09:53,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:09:52" (1/3) ... [2018-10-27 00:09:53,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dfeb58a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:09:53, skipping insertion in model container [2018-10-27 00:09:53,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:52" (2/3) ... [2018-10-27 00:09:53,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dfeb58a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:09:53, skipping insertion in model container [2018-10-27 00:09:53,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:09:53" (3/3) ... [2018-10-27 00:09:53,204 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a_true-unreach-call.c [2018-10-27 00:09:53,213 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:09:53,221 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:09:53,235 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:09:53,262 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 00:09:53,263 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:09:53,263 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:09:53,264 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:09:53,264 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:09:53,264 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:09:53,264 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:09:53,264 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:09:53,264 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:09:53,281 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2018-10-27 00:09:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 00:09:53,287 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:09:53,288 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] [2018-10-27 00:09:53,290 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:09:53,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:09:53,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1431912515, now seen corresponding path program 1 times [2018-10-27 00:09:53,297 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 00:09:53,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 00:09:53,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:09:53,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:09:53,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:09:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:09:53,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:09:53,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:09:53,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 00:09:53,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 00:09:53,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 00:09:53,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:09:53,438 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2018-10-27 00:09:53,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:09:53,463 INFO L93 Difference]: Finished difference Result 142 states and 181 transitions. [2018-10-27 00:09:53,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 00:09:53,464 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-10-27 00:09:53,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:09:53,473 INFO L225 Difference]: With dead ends: 142 [2018-10-27 00:09:53,474 INFO L226 Difference]: Without dead ends: 71 [2018-10-27 00:09:53,480 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 [2018-10-27 00:09:53,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-10-27 00:09:53,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-10-27 00:09:53,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-10-27 00:09:53,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 81 transitions. [2018-10-27 00:09:53,518 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 81 transitions. Word has length 23 [2018-10-27 00:09:53,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:09:53,518 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 81 transitions. [2018-10-27 00:09:53,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 00:09:53,518 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2018-10-27 00:09:53,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-27 00:09:53,519 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:09:53,519 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:09:53,520 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:09:53,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:09:53,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1709823750, now seen corresponding path program 1 times [2018-10-27 00:09:53,520 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 00:09:53,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 00:09:53,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:09:53,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:09:53,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:09:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:09:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:09:53,667 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 00:09:53,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:09:53 BoogieIcfgContainer [2018-10-27 00:09:53,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:09:53,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:09:53,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:09:53,696 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:09:53,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:09:53" (3/4) ... [2018-10-27 00:09:53,699 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 00:09:53,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:09:53,700 INFO L168 Benchmark]: Toolchain (without parser) took 1454.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:09:53,702 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:09:53,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.39 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 938.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:09:53,703 INFO L168 Benchmark]: Boogie Preprocessor took 40.02 ms. Allocated memory is still 1.0 GB. Free memory is still 938.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:09:53,704 INFO L168 Benchmark]: RCFGBuilder took 689.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:09:53,705 INFO L168 Benchmark]: TraceAbstraction took 500.00 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:09:53,705 INFO L168 Benchmark]: Witness Printer took 3.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:09:53,711 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 214.39 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 938.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.02 ms. Allocated memory is still 1.0 GB. Free memory is still 938.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 689.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 500.00 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 107]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 27, overapproximation of bitwiseAnd at line 89. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=10737418247, \old(tiny_sqrt)=10737418244, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L101] float x = 1.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L103] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=10737418245, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L15] float z; [L16] __uint32_t r, hx; [L17] __int32_t ix, s, q, m, t, i; VAL [\old(x)=10737418245, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245] [L20] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418245, gf_u={10737418241:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245] [L21] FCALL gf_u.value = (x) VAL [\old(x)=10737418245, gf_u={10737418241:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245] [L22] EXPR, FCALL gf_u.word VAL [\old(x)=10737418245, gf_u={10737418241:0}, gf_u.word=10737418239, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245] [L22] (ix) = gf_u.word VAL [(ix) = gf_u.word=10737418249, \old(x)=10737418245, gf_u={10737418241:0}, gf_u.word=10737418239, ix=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245] [L23] COND FALSE !(0) VAL [\old(x)=10737418245, ix=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245] [L24] hx = ix & 0x7fffffff VAL [\old(x)=10737418245, ix=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245] [L26] COND TRUE !((hx) < 0x7f800000L) [L27] RET return x * x + x; VAL [\old(x)=10737418245, hx=2139095040, ix=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245] [L103] EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=10737418246, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245] [L103] float res = __ieee754_sqrtf(x); [L106] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418246, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L83] __int32_t ix; VAL [\old(x)=10737418246, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418246] [L85] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418246, gf_u={10737418242:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418246] [L86] FCALL gf_u.value = (x) VAL [\old(x)=10737418246, gf_u={10737418242:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418246] [L87] EXPR, FCALL gf_u.word VAL [\old(x)=10737418246, gf_u={10737418242:0}, gf_u.word=6442450944, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418246] [L87] (ix) = gf_u.word [L88] COND FALSE !(0) VAL [\old(x)=10737418246, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418246] [L89] ix &= 0x7fffffff [L90] RET return ((ix) == 0x7f800000L); VAL [\old(x)=10737418246, \result=0, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418246] [L106] EXPR isinf_float(res) VAL [isinf_float(res)=0, one_sqrt=1, res=10737418246, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245] [L106] COND TRUE !isinf_float(res) [L107] __VERIFIER_error() VAL [one_sqrt=1, res=10737418246, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 75 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 85 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 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 [2018-10-27 00:09:55,540 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:09:55,541 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:09:55,552 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:09:55,553 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:09:55,555 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:09:55,557 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:09:55,558 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:09:55,560 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:09:55,562 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:09:55,564 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:09:55,564 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:09:55,565 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:09:55,565 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:09:55,566 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:09:55,567 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:09:55,567 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:09:55,568 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:09:55,570 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:09:55,572 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:09:55,573 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:09:55,574 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:09:55,576 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:09:55,576 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:09:55,576 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:09:55,577 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:09:55,579 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:09:55,579 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:09:55,582 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:09:55,588 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:09:55,588 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:09:55,588 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:09:55,588 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:09:55,588 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:09:55,589 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:09:55,590 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:09:55,591 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-27 00:09:55,608 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:09:55,609 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:09:55,610 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:09:55,610 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:09:55,611 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:09:55,611 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:09:55,611 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 00:09:55,612 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:09:55,612 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:09:55,612 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:09:55,612 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:09:55,612 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:09:55,612 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:09:55,612 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:09:55,612 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 00:09:55,613 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 00:09:55,613 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:09:55,613 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:09:55,613 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:09:55,613 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:09:55,613 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:09:55,613 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:09:55,614 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:09:55,614 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:09:55,614 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:09:55,614 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:09:55,614 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:09:55,614 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-27 00:09:55,614 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:09:55,614 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 00:09:55,615 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 00:09:55,620 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_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer 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 -> Automizer 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 -> 22720996e63b36cb2ef4e4d04061274514aafdad [2018-10-27 00:09:55,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:09:55,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:09:55,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:09:55,682 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:09:55,682 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:09:55,683 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0730a_true-unreach-call.c [2018-10-27 00:09:55,737 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/data/8f50107fc/01bd2863e4e248fabb84856c1c7b7238/FLAG7d77c83eb [2018-10-27 00:09:56,141 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:09:56,142 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/sv-benchmarks/c/float-newlib/float_req_bl_0730a_true-unreach-call.c [2018-10-27 00:09:56,147 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/data/8f50107fc/01bd2863e4e248fabb84856c1c7b7238/FLAG7d77c83eb [2018-10-27 00:09:56,160 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/data/8f50107fc/01bd2863e4e248fabb84856c1c7b7238 [2018-10-27 00:09:56,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:09:56,165 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:09:56,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:09:56,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:09:56,169 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:09:56,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:09:56" (1/1) ... [2018-10-27 00:09:56,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dac868e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:56, skipping insertion in model container [2018-10-27 00:09:56,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:09:56" (1/1) ... [2018-10-27 00:09:56,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:09:56,203 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:09:56,363 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:09:56,368 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:09:56,401 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:09:56,421 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:09:56,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:56 WrapperNode [2018-10-27 00:09:56,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:09:56,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:09:56,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:09:56,422 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:09:56,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:56" (1/1) ... [2018-10-27 00:09:56,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:56" (1/1) ... [2018-10-27 00:09:56,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:56" (1/1) ... [2018-10-27 00:09:56,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:56" (1/1) ... [2018-10-27 00:09:56,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:56" (1/1) ... [2018-10-27 00:09:56,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:56" (1/1) ... [2018-10-27 00:09:56,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:56" (1/1) ... [2018-10-27 00:09:56,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:09:56,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:09:56,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:09:56,464 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:09:56,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/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 [2018-10-27 00:09:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:09:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:09:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-10-27 00:09:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-10-27 00:09:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:09:56,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 00:09:56,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-27 00:09:56,518 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-10-27 00:09:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:09:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-27 00:09:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-27 00:09:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 00:09:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-27 00:09:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-10-27 00:09:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-10-27 00:09:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:09:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:09:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:09:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-10-27 00:09:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-10-27 00:09:56,837 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:09:56,878 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:09:57,156 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:09:57,161 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:09:57,660 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:09:57,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:09:57 BoogieIcfgContainer [2018-10-27 00:09:57,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:09:57,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:09:57,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:09:57,665 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:09:57,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:09:56" (1/3) ... [2018-10-27 00:09:57,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5111b68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:09:57, skipping insertion in model container [2018-10-27 00:09:57,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:09:56" (2/3) ... [2018-10-27 00:09:57,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5111b68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:09:57, skipping insertion in model container [2018-10-27 00:09:57,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:09:57" (3/3) ... [2018-10-27 00:09:57,669 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a_true-unreach-call.c [2018-10-27 00:09:57,678 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:09:57,686 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:09:57,696 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:09:57,719 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 00:09:57,719 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:09:57,719 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:09:57,719 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:09:57,720 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:09:57,720 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:09:57,720 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:09:57,720 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:09:57,720 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:09:57,734 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2018-10-27 00:09:57,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 00:09:57,740 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:09:57,741 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:09:57,743 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:09:57,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:09:57,749 INFO L82 PathProgramCache]: Analyzing trace with hash 2021314661, now seen corresponding path program 1 times [2018-10-27 00:09:57,753 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:09:57,753 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/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 [2018-10-27 00:09:57,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:09:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:09:57,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:09:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:09:57,937 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:09:57,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:09:57,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 00:09:57,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 00:09:57,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 00:09:57,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:09:57,960 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2018-10-27 00:09:57,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:09:57,984 INFO L93 Difference]: Finished difference Result 140 states and 179 transitions. [2018-10-27 00:09:57,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 00:09:57,986 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-10-27 00:09:57,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:09:57,995 INFO L225 Difference]: With dead ends: 140 [2018-10-27 00:09:57,995 INFO L226 Difference]: Without dead ends: 70 [2018-10-27 00:09:58,002 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:09:58,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-10-27 00:09:58,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-10-27 00:09:58,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-10-27 00:09:58,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 80 transitions. [2018-10-27 00:09:58,044 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 80 transitions. Word has length 22 [2018-10-27 00:09:58,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:09:58,045 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 80 transitions. [2018-10-27 00:09:58,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 00:09:58,045 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2018-10-27 00:09:58,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-27 00:09:58,046 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:09:58,046 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] [2018-10-27 00:09:58,046 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:09:58,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:09:58,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1942610176, now seen corresponding path program 1 times [2018-10-27 00:09:58,049 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:09:58,049 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-27 00:09:58,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-10-27 00:09:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:09:58,193 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:09:59,558 WARN L179 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-10-27 00:10:00,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:10:00,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:10:00,548 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:10:00,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:10:00,621 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:10:00,621 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-27 00:10:00,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-10-27 00:10:00,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-27 00:10:00,844 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:10:00,872 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:10:00,896 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:10:00,896 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-27 00:10:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:10:03,105 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:10:03,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:10:03,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-27 00:10:03,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-27 00:10:03,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-27 00:10:03,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-10-27 00:10:03,122 INFO L87 Difference]: Start difference. First operand 70 states and 80 transitions. Second operand 13 states. [2018-10-27 00:10:06,585 WARN L179 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-27 00:10:11,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:10:11,860 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2018-10-27 00:10:11,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-27 00:10:11,861 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2018-10-27 00:10:11,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:10:11,862 INFO L225 Difference]: With dead ends: 77 [2018-10-27 00:10:11,862 INFO L226 Difference]: Without dead ends: 70 [2018-10-27 00:10:11,863 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2018-10-27 00:10:11,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-10-27 00:10:11,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-10-27 00:10:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-10-27 00:10:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 79 transitions. [2018-10-27 00:10:11,876 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 79 transitions. Word has length 40 [2018-10-27 00:10:11,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:10:11,876 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 79 transitions. [2018-10-27 00:10:11,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-27 00:10:11,877 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2018-10-27 00:10:11,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-27 00:10:11,878 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:10:11,879 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:10:11,879 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:10:11,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:10:11,879 INFO L82 PathProgramCache]: Analyzing trace with hash 2014681824, now seen corresponding path program 1 times [2018-10-27 00:10:11,880 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:10:11,880 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-27 00:10:11,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-10-27 00:10:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:10:11,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:10:11,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:10:11,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:10:11,968 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:10:11,971 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:10:11,977 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:10:11,978 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-27 00:10:11,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-10-27 00:10:11,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-27 00:10:11,999 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:10:12,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:10:12,003 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:10:12,004 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-27 00:10:12,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:10:12,095 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:10:12,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:10:12,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 00:10:12,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 00:10:12,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 00:10:12,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:10:12,104 INFO L87 Difference]: Start difference. First operand 70 states and 79 transitions. Second operand 9 states. [2018-10-27 00:10:13,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:10:13,300 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2018-10-27 00:10:13,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 00:10:13,301 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2018-10-27 00:10:13,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:10:13,302 INFO L225 Difference]: With dead ends: 76 [2018-10-27 00:10:13,302 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 00:10:13,303 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-10-27 00:10:13,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 00:10:13,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 00:10:13,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 00:10:13,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 00:10:13,303 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-10-27 00:10:13,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:10:13,304 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 00:10:13,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 00:10:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 00:10:13,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:10:13,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 00:10:13,516 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-10-27 00:10:13,517 INFO L425 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-10-27 00:10:13,517 INFO L425 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2018-10-27 00:10:13,517 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-27 00:10:13,517 INFO L425 ceAbstractionStarter]: For program point L87-2(line 87) no Hoare annotation was computed. [2018-10-27 00:10:13,517 INFO L425 ceAbstractionStarter]: For program point L85-1(line 85) no Hoare annotation was computed. [2018-10-27 00:10:13,517 INFO L425 ceAbstractionStarter]: For program point L85-2(line 85) no Hoare annotation was computed. [2018-10-27 00:10:13,517 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-10-27 00:10:13,517 INFO L425 ceAbstractionStarter]: For program point L85-3(line 85) no Hoare annotation was computed. [2018-10-27 00:10:13,518 INFO L421 ceAbstractionStarter]: At program point L84-3(lines 84 88) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-10-27 00:10:13,518 INFO L425 ceAbstractionStarter]: For program point L84-4(lines 84 88) no Hoare annotation was computed. [2018-10-27 00:10:13,518 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 82 91) the Hoare annotation is: true [2018-10-27 00:10:13,518 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 82 91) no Hoare annotation was computed. [2018-10-27 00:10:13,518 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 82 91) no Hoare annotation was computed. [2018-10-27 00:10:13,518 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:10:13,519 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:10:13,519 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:10:13,519 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:10:13,519 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-27 00:10:13,519 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:10:13,519 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:10:13,519 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 107) no Hoare annotation was computed. [2018-10-27 00:10:13,519 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 93 112) the Hoare annotation is: true [2018-10-27 00:10:13,520 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 93 112) no Hoare annotation was computed. [2018-10-27 00:10:13,520 INFO L425 ceAbstractionStarter]: For program point L107(line 107) no Hoare annotation was computed. [2018-10-27 00:10:13,520 INFO L421 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)))) (and (= main_~res~0 (fp.add RNE (fp.mul RNE .cse0 .cse0) .cse0)) (= .cse0 main_~x~0))) [2018-10-27 00:10:13,520 INFO L425 ceAbstractionStarter]: For program point L106-1(lines 106 109) no Hoare annotation was computed. [2018-10-27 00:10:13,520 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 93 112) no Hoare annotation was computed. [2018-10-27 00:10:13,520 INFO L421 ceAbstractionStarter]: At program point L103(line 103) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) [2018-10-27 00:10:13,521 INFO L425 ceAbstractionStarter]: For program point L103-1(line 103) no Hoare annotation was computed. [2018-10-27 00:10:13,521 INFO L425 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-10-27 00:10:13,521 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-10-27 00:10:13,521 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-10-27 00:10:13,521 INFO L425 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-10-27 00:10:13,521 INFO L421 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) [2018-10-27 00:10:13,521 INFO L425 ceAbstractionStarter]: For program point L19-4(lines 19 23) no Hoare annotation was computed. [2018-10-27 00:10:13,521 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2018-10-27 00:10:13,522 INFO L425 ceAbstractionStarter]: For program point L36-3(lines 36 37) no Hoare annotation was computed. [2018-10-27 00:10:13,522 INFO L421 ceAbstractionStarter]: At program point L36-4(lines 36 37) the Hoare annotation is: (and (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand __ieee754_sqrtf_~ix~0 (_ bv2147483647 32)) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand __ieee754_sqrtf_~ix~0 (_ bv2147483647 32)) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-10-27 00:10:13,522 INFO L425 ceAbstractionStarter]: For program point L36-5(lines 36 37) no Hoare annotation was computed. [2018-10-27 00:10:13,522 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-10-27 00:10:13,522 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-10-27 00:10:13,522 INFO L425 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-10-27 00:10:13,522 INFO L425 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-10-27 00:10:13,523 INFO L425 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-10-27 00:10:13,523 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-10-27 00:10:13,530 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-10-27 00:10:13,530 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-10-27 00:10:13,530 INFO L425 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-10-27 00:10:13,530 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-10-27 00:10:13,530 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-10-27 00:10:13,530 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-27 00:10:13,531 INFO L425 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-10-27 00:10:13,531 INFO L425 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-10-27 00:10:13,531 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-10-27 00:10:13,531 INFO L425 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-10-27 00:10:13,531 INFO L421 ceAbstractionStarter]: At program point L73-3(lines 73 77) the Hoare annotation is: (and (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand __ieee754_sqrtf_~ix~0 (_ bv2147483647 32)) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand __ieee754_sqrtf_~ix~0 (_ bv2147483647 32)) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-10-27 00:10:13,531 INFO L425 ceAbstractionStarter]: For program point L73-4(lines 73 77) no Hoare annotation was computed. [2018-10-27 00:10:13,531 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-10-27 00:10:13,531 INFO L425 ceAbstractionStarter]: For program point L74(line 74) no Hoare annotation was computed. [2018-10-27 00:10:13,532 INFO L425 ceAbstractionStarter]: For program point L74-1(line 74) no Hoare annotation was computed. [2018-10-27 00:10:13,532 INFO L425 ceAbstractionStarter]: For program point L74-2(line 74) no Hoare annotation was computed. [2018-10-27 00:10:13,532 INFO L425 ceAbstractionStarter]: For program point L74-3(line 74) no Hoare annotation was computed. [2018-10-27 00:10:13,532 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 59) no Hoare annotation was computed. [2018-10-27 00:10:13,532 INFO L421 ceAbstractionStarter]: At program point L50-3(lines 50 59) the Hoare annotation is: (and (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand __ieee754_sqrtf_~ix~0 (_ bv2147483647 32)) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand __ieee754_sqrtf_~ix~0 (_ bv2147483647 32)) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-10-27 00:10:13,532 INFO L425 ceAbstractionStarter]: For program point L50-4(lines 14 79) no Hoare annotation was computed. [2018-10-27 00:10:13,532 INFO L425 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-10-27 00:10:13,533 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-10-27 00:10:13,533 INFO L425 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-10-27 00:10:13,533 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-10-27 00:10:13,533 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-27 00:10:13,533 INFO L425 ceAbstractionStarter]: For program point L76-1(line 76) no Hoare annotation was computed. [2018-10-27 00:10:13,533 INFO L425 ceAbstractionStarter]: For program point L76-2(line 76) no Hoare annotation was computed. [2018-10-27 00:10:13,533 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-10-27 00:10:13,548 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,549 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,550 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,550 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,550 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,550 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,550 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,551 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,553 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,553 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,553 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,553 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,554 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,554 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,554 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,554 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,556 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,559 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,559 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,559 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,560 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,560 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,561 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,562 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,562 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,562 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,562 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,562 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,563 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,563 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,563 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,564 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,564 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,564 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,564 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,564 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,565 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,565 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,565 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,565 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,566 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,566 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,566 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,566 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:10:13 BoogieIcfgContainer [2018-10-27 00:10:13,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:10:13,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:10:13,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:10:13,573 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:10:13,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:09:57" (3/4) ... [2018-10-27 00:10:13,578 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:10:13,584 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 00:10:13,584 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-10-27 00:10:13,584 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 00:10:13,584 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-10-27 00:10:13,594 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2018-10-27 00:10:13,595 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-27 00:10:13,595 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 00:10:13,615 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-10-27 00:10:13,616 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-10-27 00:10:13,616 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && \old(x) == x) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-10-27 00:10:13,616 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && \old(x) == x) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-10-27 00:10:13,616 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && \old(x) == x) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-10-27 00:10:13,651 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_33c82042-20fd-40cc-affd-23023953b2f6/bin-2019/uautomizer/witness.graphml [2018-10-27 00:10:13,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:10:13,655 INFO L168 Benchmark]: Toolchain (without parser) took 17490.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 951.9 MB in the beginning and 962.6 MB in the end (delta: -10.7 MB). Peak memory consumption was 181.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:10:13,655 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. [2018-10-27 00:10:13,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.14 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. [2018-10-27 00:10:13,656 INFO L168 Benchmark]: Boogie Preprocessor took 41.03 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:10:13,656 INFO L168 Benchmark]: RCFGBuilder took 1197.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 935.8 MB in the beginning and 1.2 GB in the end (delta: -227.4 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-10-27 00:10:13,657 INFO L168 Benchmark]: TraceAbstraction took 15910.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 968.9 MB in the end (delta: 194.3 MB). Peak memory consumption was 194.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:10:13,657 INFO L168 Benchmark]: Witness Printer took 81.51 ms. Allocated memory is still 1.2 GB. Free memory was 968.9 MB in the beginning and 962.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:10:13,659 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 256.14 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 Preprocessor took 41.03 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1197.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 935.8 MB in the beginning and 1.2 GB in the end (delta: -227.4 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15910.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 968.9 MB in the end (delta: 194.3 MB). Peak memory consumption was 194.3 MB. Max. memory is 11.5 GB. * Witness Printer took 81.51 ms. Allocated memory is still 1.2 GB. Free memory was 968.9 MB in the beginning and 962.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 107]: 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: 19]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 36]: Loop Invariant [2018-10-27 00:10:13,668 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,668 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,668 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,669 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,669 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,669 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,669 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,669 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,670 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,670 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,670 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,670 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,670 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,670 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,671 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,683 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && \old(x) == x) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 50]: Loop Invariant [2018-10-27 00:10:13,683 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,684 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,684 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,684 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,684 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,684 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,684 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,684 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,685 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,685 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,685 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,685 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,685 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,685 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && \old(x) == x) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 73]: Loop Invariant [2018-10-27 00:10:13,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,689 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-10-27 00:10:13,689 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && \old(x) == x) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 74 locations, 1 error locations. SAFE Result, 15.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 9.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 197 SDtfs, 211 SDslu, 842 SDs, 0 SdLazy, 249 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 17 PreInvPairs, 24 NumberOfFragments, 161 HoareAnnotationTreeSize, 17 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 100 ConstructedInterpolants, 6 QuantifiedInterpolants, 19935 SizeOfPredicates, 17 NumberOfNonLiveVariables, 235 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...