./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0710_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0710_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/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 1ff4e8ff973f803d8fa94df33d1e2314e0626318 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0710_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/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 1ff4e8ff973f803d8fa94df33d1e2314e0626318 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:06:55,435 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:06:55,436 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:06:55,441 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:06:55,442 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:06:55,442 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:06:55,443 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:06:55,444 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:06:55,445 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:06:55,446 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:06:55,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:06:55,447 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:06:55,447 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:06:55,448 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:06:55,449 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:06:55,449 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:06:55,449 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:06:55,451 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:06:55,452 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:06:55,453 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:06:55,453 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:06:55,454 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:06:55,455 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:06:55,455 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:06:55,455 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:06:55,456 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:06:55,456 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:06:55,457 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:06:55,457 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:06:55,457 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:06:55,458 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:06:55,458 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:06:55,458 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:06:55,458 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:06:55,459 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:06:55,459 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:06:55,459 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 14:06:55,466 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:06:55,466 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:06:55,467 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:06:55,467 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:06:55,467 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:06:55,467 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:06:55,467 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 14:06:55,467 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:06:55,468 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:06:55,468 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:06:55,468 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:06:55,468 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:06:55,468 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:06:55,468 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:06:55,468 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:06:55,468 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:06:55,468 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:06:55,468 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:06:55,469 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:06:55,469 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:06:55,469 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:06:55,469 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:06:55,469 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:06:55,469 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:06:55,469 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:06:55,469 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:06:55,469 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:06:55,470 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 14:06:55,470 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:06:55,470 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:06:55,470 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_1843237d-c5d2-4ade-a319-eff556a819eb/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 -> 1ff4e8ff973f803d8fa94df33d1e2314e0626318 [2018-11-23 14:06:55,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:06:55,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:06:55,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:06:55,506 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:06:55,506 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:06:55,506 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0710_true-unreach-call.c [2018-11-23 14:06:55,549 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/data/891414c13/2c83163332494822b60e9388b0e8ea04/FLAG922a7fad9 [2018-11-23 14:06:55,882 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:06:55,883 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/sv-benchmarks/c/float-newlib/float_req_bl_0710_true-unreach-call.c [2018-11-23 14:06:55,888 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/data/891414c13/2c83163332494822b60e9388b0e8ea04/FLAG922a7fad9 [2018-11-23 14:06:56,316 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/data/891414c13/2c83163332494822b60e9388b0e8ea04 [2018-11-23 14:06:56,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:06:56,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:06:56,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:06:56,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:06:56,322 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:06:56,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:56" (1/1) ... [2018-11-23 14:06:56,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e17af78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:56, skipping insertion in model container [2018-11-23 14:06:56,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:56" (1/1) ... [2018-11-23 14:06:56,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:06:56,347 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:06:56,463 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:06:56,465 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:06:56,482 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:06:56,494 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:06:56,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:56 WrapperNode [2018-11-23 14:06:56,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:06:56,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:06:56,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:06:56,495 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:06:56,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:56" (1/1) ... [2018-11-23 14:06:56,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:56" (1/1) ... [2018-11-23 14:06:56,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:06:56,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:06:56,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:06:56,509 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:06:56,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:56" (1/1) ... [2018-11-23 14:06:56,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:56" (1/1) ... [2018-11-23 14:06:56,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:56" (1/1) ... [2018-11-23 14:06:56,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:56" (1/1) ... [2018-11-23 14:06:56,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:56" (1/1) ... [2018-11-23 14:06:56,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:56" (1/1) ... [2018-11-23 14:06:56,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:56" (1/1) ... [2018-11-23 14:06:56,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:06:56,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:06:56,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:06:56,566 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:06:56,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/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 [2018-11-23 14:06:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:06:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:06:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 14:06:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 14:06:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 14:06:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 14:06:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:06:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:06:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 14:06:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:06:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:06:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:06:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 14:06:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 14:06:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-23 14:06:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-23 14:06:56,795 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:06:56,795 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 14:06:56,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:56 BoogieIcfgContainer [2018-11-23 14:06:56,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:06:56,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:06:56,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:06:56,799 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:06:56,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:06:56" (1/3) ... [2018-11-23 14:06:56,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f3a263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:06:56, skipping insertion in model container [2018-11-23 14:06:56,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:56" (2/3) ... [2018-11-23 14:06:56,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f3a263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:06:56, skipping insertion in model container [2018-11-23 14:06:56,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:56" (3/3) ... [2018-11-23 14:06:56,801 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0710_true-unreach-call.c [2018-11-23 14:06:56,807 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:06:56,813 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:06:56,826 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:06:56,850 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:06:56,851 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:06:56,851 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:06:56,851 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:06:56,851 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:06:56,851 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:06:56,851 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:06:56,851 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:06:56,851 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:06:56,861 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-11-23 14:06:56,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 14:06:56,864 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:06:56,865 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:06:56,866 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:06:56,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:06:56,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1237427785, now seen corresponding path program 1 times [2018-11-23 14:06:56,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:06:56,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:06:56,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:06:56,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:06:56,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:06:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:56,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:56,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:06:56,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 14:06:56,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 14:06:56,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 14:06:56,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:06:56,968 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2018-11-23 14:06:56,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:06:56,982 INFO L93 Difference]: Finished difference Result 87 states and 122 transitions. [2018-11-23 14:06:56,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 14:06:56,983 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-23 14:06:56,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:06:56,990 INFO L225 Difference]: With dead ends: 87 [2018-11-23 14:06:56,990 INFO L226 Difference]: Without dead ends: 43 [2018-11-23 14:06:56,993 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:06:57,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-23 14:06:57,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-23 14:06:57,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-23 14:06:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2018-11-23 14:06:57,018 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 53 transitions. Word has length 22 [2018-11-23 14:06:57,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:06:57,018 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 53 transitions. [2018-11-23 14:06:57,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 14:06:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2018-11-23 14:06:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 14:06:57,019 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:06:57,020 INFO L402 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] [2018-11-23 14:06:57,020 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:06:57,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:06:57,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1731907338, now seen corresponding path program 1 times [2018-11-23 14:06:57,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:06:57,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:06:57,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:06:57,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:06:57,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:06:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:06:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:06:57,084 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=6442450952, |#NULL.offset|=6442450945, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450945, |old(~one_sqrt~0)|=6442450950.0, |old(~tiny_sqrt~0)|=6442450947.0, ~one_sqrt~0=6442450950.0, ~tiny_sqrt~0=6442450947.0] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-30; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450945, |old(~one_sqrt~0)|=6442450950.0, |old(~tiny_sqrt~0)|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450945, |old(~one_sqrt~0)|=6442450950.0, |old(~tiny_sqrt~0)|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #133#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret8 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x~0 := #t~nondet5;havoc #t~nondet5; VAL [main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume ~someBinaryFLOATComparisonOperation(~x~0, ~someUnaryFLOAToperation(0.0)); VAL [main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450949.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x := #in~x;havoc ~z~0;havoc ~r~0;havoc ~hx~0;havoc ~ix~0;havoc ~s~0;havoc ~q~0;havoc ~m~0;havoc ~t~0;havoc ~i~0; VAL [__ieee754_sqrtf_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450949.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296);call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [__ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450949.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] goto; VAL [__ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450949.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [__ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450949.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !(~hx~0 % 4294967296 < 2139095040);#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [__ieee754_sqrtf_~hx~0=2139095040, __ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450949.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [__ieee754_sqrtf_~hx~0=2139095040, __ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450949.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #137#return; VAL [main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret6|=6442450946.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~res~0 := #t~ret6;havoc #t~ret6; VAL [main_~res~0=6442450946.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret7 := isnan_float(~res~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450946.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x := #in~x;#res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [isnan_float_~x=6442450946.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450946.0, |isnan_float_#res|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [isnan_float_~x=6442450946.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450946.0, |isnan_float_#res|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #139#return; VAL [main_~res~0=6442450946.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret7|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [main_~res~0=6442450946.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret7|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume 0 == #t~ret7;havoc #t~ret7; VAL [main_~res~0=6442450946.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !false; VAL [main_~res~0=6442450946.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450952, #NULL.offset=6442450945, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=6.44245095E9, ~tiny_sqrt~0=6.442450947E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret8 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := #t~nondet5; [L91] havoc #t~nondet5; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L92-L101] assume ~someBinaryFLOATComparisonOperation(~x~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] CALL call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L23] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L24] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L23] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L29-L30] assume !(~hx~0 % 4294967296 < 2139095040); [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L17-L82] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L94] RET call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] ~res~0 := #t~ret6; [L94] havoc #t~ret6; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L13] ensures true; VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L97] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97-L100] assume 0 == #t~ret7; [L97] havoc #t~ret7; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L98] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450952, #NULL.offset=6442450945, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=6.44245095E9, ~tiny_sqrt~0=6.442450947E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret8 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := #t~nondet5; [L91] havoc #t~nondet5; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L92-L101] assume ~someBinaryFLOATComparisonOperation(~x~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] CALL call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L23] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L24] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L23] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L29-L30] assume !(~hx~0 % 4294967296 < 2139095040); [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L17-L82] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L94] RET call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] ~res~0 := #t~ret6; [L94] havoc #t~ret6; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L13] ensures true; VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L97] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97-L100] assume 0 == #t~ret7; [L97] havoc #t~ret7; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L98] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=6.44245095E9, ~tiny_sqrt~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := #t~nondet5; [L91] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L92] COND TRUE ~someBinaryFLOATComparisonOperation(~x~0, ~someUnaryFLOAToperation(0.0)) VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] CALL call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L94] RET call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] ~res~0 := #t~ret6; [L94] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L97] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] COND TRUE 0 == #t~ret7 [L97] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L98] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=6.44245095E9, ~tiny_sqrt~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := #t~nondet5; [L91] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L92] COND TRUE ~someBinaryFLOATComparisonOperation(~x~0, ~someUnaryFLOAToperation(0.0)) VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] CALL call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L94] RET call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] ~res~0 := #t~ret6; [L94] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L97] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] COND TRUE 0 == #t~ret7 [L97] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L98] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=6.44245095E9, ~tiny_sqrt~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := #t~nondet5; [L91] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L92] COND TRUE ~someBinaryFLOATComparisonOperation(~x~0, ~someUnaryFLOAToperation(0.0)) VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] CALL call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L94] RET call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] ~res~0 := #t~ret6; [L94] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L97] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] COND TRUE 0 == #t~ret7 [L97] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L98] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=6.44245095E9, ~tiny_sqrt~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := #t~nondet5; [L91] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L92] COND TRUE ~someBinaryFLOATComparisonOperation(~x~0, ~someUnaryFLOAToperation(0.0)) VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] CALL call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L94] RET call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] ~res~0 := #t~ret6; [L94] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L97] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] COND TRUE 0 == #t~ret7 [L97] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L98] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=6442450950, \old(tiny_sqrt)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L91] float x = __VERIFIER_nondet_float(); [L92] COND TRUE x < -0.0f VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L94] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L18] float z; [L19] __uint32_t r, hx; [L20] __int32_t ix, s, q, m, t, i; VAL [\old(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (ix) = gf_u.word [L27] hx = ix & 0x7fffffff VAL [\old(x)=6442450949, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L29] COND TRUE !((hx) < 0x7f800000L) [L30] return x * x + x; VAL [\old(x)=6442450949, hx=2139095040, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L94] RET, EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L94] float res = __ieee754_sqrtf(x); [L97] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450946, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450946] [L97] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=6442450946, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L97] COND TRUE !isnan_float(res) [L98] __VERIFIER_error() VAL [one_sqrt=1, res=6442450946, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] ----- [2018-11-23 14:06:57,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:06:57 BoogieIcfgContainer [2018-11-23 14:06:57,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:06:57,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:06:57,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:06:57,120 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:06:57,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:56" (3/4) ... [2018-11-23 14:06:57,123 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 14:06:57,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:06:57,124 INFO L168 Benchmark]: Toolchain (without parser) took 804.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-23 14:06:57,125 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:06:57,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.79 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:06:57,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.40 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:06:57,126 INFO L168 Benchmark]: Boogie Preprocessor took 55.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:06:57,127 INFO L168 Benchmark]: RCFGBuilder took 230.00 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:06:57,127 INFO L168 Benchmark]: TraceAbstraction took 323.39 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:06:57,128 INFO L168 Benchmark]: Witness Printer took 3.46 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. [2018-11-23 14:06:57,130 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.79 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.40 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 230.00 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 323.39 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.46 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: 98]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of bitwiseAnd at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 30. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=6442450950, \old(tiny_sqrt)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L91] float x = __VERIFIER_nondet_float(); [L92] COND TRUE x < -0.0f VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L94] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L18] float z; [L19] __uint32_t r, hx; [L20] __int32_t ix, s, q, m, t, i; VAL [\old(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (ix) = gf_u.word [L27] hx = ix & 0x7fffffff VAL [\old(x)=6442450949, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L29] COND TRUE !((hx) < 0x7f800000L) [L30] return x * x + x; VAL [\old(x)=6442450949, hx=2139095040, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L94] RET, EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L94] float res = __ieee754_sqrtf(x); [L97] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450946, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450946] [L97] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=6442450946, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L97] COND TRUE !isnan_float(res) [L98] __VERIFIER_error() VAL [one_sqrt=1, res=6442450946, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 48 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 59 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=48occurred 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, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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-aa41828 [2018-11-23 14:06:58,556 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:06:58,558 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:06:58,566 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:06:58,566 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:06:58,567 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:06:58,568 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:06:58,569 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:06:58,570 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:06:58,570 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:06:58,571 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:06:58,571 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:06:58,572 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:06:58,572 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:06:58,574 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:06:58,574 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:06:58,575 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:06:58,576 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:06:58,577 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:06:58,578 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:06:58,579 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:06:58,580 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:06:58,582 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:06:58,582 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:06:58,582 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:06:58,583 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:06:58,584 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:06:58,584 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:06:58,585 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:06:58,585 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:06:58,585 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:06:58,586 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:06:58,586 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:06:58,586 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:06:58,587 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:06:58,587 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:06:58,587 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 14:06:58,598 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:06:58,598 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:06:58,599 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:06:58,599 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:06:58,599 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:06:58,599 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:06:58,600 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 14:06:58,600 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:06:58,600 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:06:58,600 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:06:58,600 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:06:58,600 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:06:58,600 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:06:58,600 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:06:58,601 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 14:06:58,602 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 14:06:58,602 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:06:58,602 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:06:58,602 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:06:58,603 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:06:58,603 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:06:58,603 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:06:58,603 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:06:58,603 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:06:58,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:06:58,603 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:06:58,604 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:06:58,604 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:06:58,604 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 14:06:58,604 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:06:58,604 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 14:06:58,604 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 14:06:58,604 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_1843237d-c5d2-4ade-a319-eff556a819eb/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 -> 1ff4e8ff973f803d8fa94df33d1e2314e0626318 [2018-11-23 14:06:58,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:06:58,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:06:58,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:06:58,647 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:06:58,648 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:06:58,648 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0710_true-unreach-call.c [2018-11-23 14:06:58,692 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/data/321201d93/5fbe4de05cd44c3c9b237f3e64de1de3/FLAG62056b9a5 [2018-11-23 14:06:59,092 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:06:59,092 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/sv-benchmarks/c/float-newlib/float_req_bl_0710_true-unreach-call.c [2018-11-23 14:06:59,098 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/data/321201d93/5fbe4de05cd44c3c9b237f3e64de1de3/FLAG62056b9a5 [2018-11-23 14:06:59,106 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/data/321201d93/5fbe4de05cd44c3c9b237f3e64de1de3 [2018-11-23 14:06:59,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:06:59,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:06:59,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:06:59,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:06:59,112 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:06:59,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:59" (1/1) ... [2018-11-23 14:06:59,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d505388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:59, skipping insertion in model container [2018-11-23 14:06:59,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:59" (1/1) ... [2018-11-23 14:06:59,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:06:59,138 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:06:59,271 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:06:59,275 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:06:59,297 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:06:59,316 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:06:59,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:59 WrapperNode [2018-11-23 14:06:59,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:06:59,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:06:59,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:06:59,318 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:06:59,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:59" (1/1) ... [2018-11-23 14:06:59,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:59" (1/1) ... [2018-11-23 14:06:59,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:06:59,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:06:59,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:06:59,335 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:06:59,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:59" (1/1) ... [2018-11-23 14:06:59,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:59" (1/1) ... [2018-11-23 14:06:59,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:59" (1/1) ... [2018-11-23 14:06:59,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:59" (1/1) ... [2018-11-23 14:06:59,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:59" (1/1) ... [2018-11-23 14:06:59,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:59" (1/1) ... [2018-11-23 14:06:59,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:59" (1/1) ... [2018-11-23 14:06:59,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:06:59,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:06:59,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:06:59,358 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:06:59,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/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 [2018-11-23 14:06:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:06:59,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:06:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 14:06:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 14:06:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 14:06:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:06:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:06:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:06:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 14:06:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:06:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:06:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 14:06:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 14:06:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 14:06:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-23 14:06:59,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-23 14:07:00,045 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:07:00,045 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 14:07:00,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:00 BoogieIcfgContainer [2018-11-23 14:07:00,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:07:00,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:07:00,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:07:00,048 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:07:00,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:06:59" (1/3) ... [2018-11-23 14:07:00,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9697aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:07:00, skipping insertion in model container [2018-11-23 14:07:00,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:59" (2/3) ... [2018-11-23 14:07:00,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9697aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:07:00, skipping insertion in model container [2018-11-23 14:07:00,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:00" (3/3) ... [2018-11-23 14:07:00,051 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0710_true-unreach-call.c [2018-11-23 14:07:00,057 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:07:00,062 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:07:00,071 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:07:00,090 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:07:00,091 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:07:00,091 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:07:00,091 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:07:00,091 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:07:00,091 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:07:00,091 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:07:00,091 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:07:00,091 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:07:00,103 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-11-23 14:07:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:07:00,107 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:07:00,108 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:07:00,109 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:07:00,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:07:00,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1233283399, now seen corresponding path program 1 times [2018-11-23 14:07:00,115 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 14:07:00,115 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/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 [2018-11-23 14:07:00,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:07:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:00,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:07:00,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:07:00,241 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:07:00,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:07:00,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 14:07:00,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 14:07:00,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 14:07:00,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:07:00,263 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2018-11-23 14:07:00,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:07:00,278 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2018-11-23 14:07:00,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 14:07:00,279 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-23 14:07:00,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:07:00,286 INFO L225 Difference]: With dead ends: 85 [2018-11-23 14:07:00,286 INFO L226 Difference]: Without dead ends: 42 [2018-11-23 14:07:00,288 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:07:00,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-23 14:07:00,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-23 14:07:00,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-23 14:07:00,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2018-11-23 14:07:00,314 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 21 [2018-11-23 14:07:00,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:07:00,314 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2018-11-23 14:07:00,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 14:07:00,314 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2018-11-23 14:07:00,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 14:07:00,315 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:07:00,315 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:07:00,315 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:07:00,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:07:00,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1384450073, now seen corresponding path program 1 times [2018-11-23 14:07:00,316 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 14:07:00,316 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-23 14:07:00,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:07:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:00,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:07:03,422 WARN L180 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 20 [2018-11-23 14:07:10,750 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-23 14:07:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:07:19,787 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:07:19,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:07:19,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-23 14:07:19,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 14:07:19,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 14:07:19,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=85, Unknown=4, NotChecked=0, Total=110 [2018-11-23 14:07:19,796 INFO L87 Difference]: Start difference. First operand 42 states and 52 transitions. Second operand 11 states. [2018-11-23 14:07:54,274 WARN L180 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 27 [2018-11-23 14:08:17,569 WARN L180 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-23 14:08:34,957 WARN L180 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-23 14:09:40,625 WARN L180 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-23 14:11:10,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:11:10,372 INFO L93 Difference]: Finished difference Result 54 states and 65 transitions. [2018-11-23 14:11:10,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 14:11:10,373 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 22 [2018-11-23 14:11:10,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:11:10,375 INFO L225 Difference]: With dead ends: 54 [2018-11-23 14:11:10,376 INFO L226 Difference]: Without dead ends: 47 [2018-11-23 14:11:10,376 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 37.2s TimeCoverageRelationStatistics Valid=47, Invalid=186, Unknown=7, NotChecked=0, Total=240 [2018-11-23 14:11:10,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-23 14:11:10,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 42. [2018-11-23 14:11:10,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-23 14:11:10,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2018-11-23 14:11:10,385 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 22 [2018-11-23 14:11:10,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:11:10,386 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2018-11-23 14:11:10,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 14:11:10,386 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2018-11-23 14:11:10,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 14:11:10,387 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:11:10,387 INFO L402 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] [2018-11-23 14:11:10,387 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:11:10,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:11:10,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1726985307, now seen corresponding path program 1 times [2018-11-23 14:11:10,388 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 14:11:10,388 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-23 14:11:10,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:11:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:10,419 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:10,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:11:10,486 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:11:10,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:11:10,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:11:10,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:11:10,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:11:10,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:11:10,499 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand 7 states. [2018-11-23 14:11:11,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:11:11,429 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2018-11-23 14:11:11,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:11:11,431 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-11-23 14:11:11,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:11:11,431 INFO L225 Difference]: With dead ends: 57 [2018-11-23 14:11:11,431 INFO L226 Difference]: Without dead ends: 47 [2018-11-23 14:11:11,432 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 14:11:11,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-23 14:11:11,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 42. [2018-11-23 14:11:11,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-23 14:11:11,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2018-11-23 14:11:11,436 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 23 [2018-11-23 14:11:11,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:11:11,437 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2018-11-23 14:11:11,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:11:11,437 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2018-11-23 14:11:11,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 14:11:11,437 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:11:11,437 INFO L402 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] [2018-11-23 14:11:11,438 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:11:11,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:11:11,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1388819741, now seen corresponding path program 1 times [2018-11-23 14:11:11,438 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 14:11:11,438 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-23 14:11:11,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:11:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:11,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:12,397 WARN L180 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-11-23 14:11:14,380 WARN L180 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-11-23 14:11:17,410 WARN L180 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-11-23 14:11:20,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:11:20,716 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:11:20,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:11:20,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:11:20,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:11:20,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:11:20,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:11:20,726 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand 7 states. [2018-11-23 14:11:25,493 WARN L180 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-23 14:11:27,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:11:27,351 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2018-11-23 14:11:27,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:11:27,351 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-11-23 14:11:27,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:11:27,352 INFO L225 Difference]: With dead ends: 49 [2018-11-23 14:11:27,352 INFO L226 Difference]: Without dead ends: 42 [2018-11-23 14:11:27,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:11:27,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-23 14:11:27,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-23 14:11:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-23 14:11:27,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2018-11-23 14:11:27,358 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 24 [2018-11-23 14:11:27,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:11:27,359 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2018-11-23 14:11:27,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:11:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2018-11-23 14:11:27,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 14:11:27,360 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:11:27,360 INFO L402 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] [2018-11-23 14:11:27,360 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:11:27,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:11:27,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1872162410, now seen corresponding path program 1 times [2018-11-23 14:11:27,361 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 14:11:27,361 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-23 14:11:27,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:11:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:27,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:27,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:11:27,510 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:11:27,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:11:27,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 14:11:27,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 14:11:27,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 14:11:27,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:11:27,518 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 8 states. [2018-11-23 14:11:27,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:11:27,924 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2018-11-23 14:11:27,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 14:11:27,925 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-11-23 14:11:27,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:11:27,925 INFO L225 Difference]: With dead ends: 45 [2018-11-23 14:11:27,925 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:11:27,926 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2018-11-23 14:11:27,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:11:27,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:11:27,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:11:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:11:27,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-11-23 14:11:27,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:11:27,927 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:11:27,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 14:11:27,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:11:27,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:11:27,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:11:27,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:11:33,342 WARN L180 SmtUtils]: Spent 5.32 s on a formula simplification. DAG size of input: 30 DAG size of output: 12 [2018-11-23 14:11:33,431 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-11-23 14:11:33,431 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-11-23 14:11:33,431 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-11-23 14:11:33,431 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:11:33,432 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:11:33,432 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:11:33,432 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:11:33,432 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 14:11:33,432 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:11:33,432 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:11:33,432 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (and (exists ((__ieee754_sqrtf_~x (_ FloatingPoint 8 24))) (= main_~res~0 (let ((.cse0 (fp.sub roundNearestTiesToEven __ieee754_sqrtf_~x __ieee754_sqrtf_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) (fp.lt main_~x~0 (fp.neg (_ +zero 8 24)))) [2018-11-23 14:11:33,432 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 97 100) no Hoare annotation was computed. [2018-11-23 14:11:33,433 INFO L444 ceAbstractionStarter]: At program point L94(line 94) the Hoare annotation is: (fp.lt main_~x~0 (fp.neg (_ +zero 8 24))) [2018-11-23 14:11:33,433 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 84 104) the Hoare annotation is: true [2018-11-23 14:11:33,433 INFO L448 ceAbstractionStarter]: For program point L94-1(line 94) no Hoare annotation was computed. [2018-11-23 14:11:33,433 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 101) no Hoare annotation was computed. [2018-11-23 14:11:33,433 INFO L448 ceAbstractionStarter]: For program point L92-2(lines 92 101) no Hoare annotation was computed. [2018-11-23 14:11:33,433 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 84 104) no Hoare annotation was computed. [2018-11-23 14:11:33,433 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 98) no Hoare annotation was computed. [2018-11-23 14:11:33,433 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 84 104) no Hoare annotation was computed. [2018-11-23 14:11:33,433 INFO L448 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2018-11-23 14:11:33,434 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-11-23 14:11:33,434 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-11-23 14:11:33,434 INFO L444 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: (and (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (not (bvslt __ieee754_sqrtf_~ix~0 (_ bv0 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|))) (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __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|)))) [2018-11-23 14:11:33,434 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2018-11-23 14:11:33,434 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-11-23 14:11:33,434 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-11-23 14:11:33,434 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-11-23 14:11:33,434 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-11-23 14:11:33,435 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-11-23 14:11:33,435 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-23 14:11:33,435 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-11-23 14:11:33,435 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-11-23 14:11:33,435 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-11-23 14:11:33,435 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-11-23 14:11:33,435 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-11-23 14:11:33,435 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-11-23 14:11:33,435 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-11-23 14:11:33,436 INFO L444 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) [2018-11-23 14:11:33,436 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2018-11-23 14:11:33,436 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-11-23 14:11:33,436 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: (and (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (not (bvslt __ieee754_sqrtf_~ix~0 (_ bv0 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|))) (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __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|)))) [2018-11-23 14:11:33,436 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2018-11-23 14:11:33,436 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2018-11-23 14:11:33,436 INFO L444 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: (and (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (not (bvslt __ieee754_sqrtf_~ix~0 (_ bv0 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|))) (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __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|)))) [2018-11-23 14:11:33,436 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-11-23 14:11:33,437 INFO L448 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2018-11-23 14:11:33,441 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,442 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,442 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,444 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,449 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,449 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,449 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,449 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,449 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,453 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,453 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:11:33 BoogieIcfgContainer [2018-11-23 14:11:33,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:11:33,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:11:33,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:11:33,460 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:11:33,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:00" (3/4) ... [2018-11-23 14:11:33,462 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:11:33,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-23 14:11:33,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:11:33,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:11:33,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-23 14:11:33,470 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-23 14:11:33,471 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 14:11:33,471 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:11:33,487 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 14:11:33,488 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: (~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && !~bvslt32(__ieee754_sqrtf_~ix~0, 0bv32)) && ~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 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-23 14:11:33,488 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: (~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && !~bvslt32(__ieee754_sqrtf_~ix~0, 0bv32)) && ~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 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-23 14:11:33,488 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: (~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && !~bvslt32(__ieee754_sqrtf_~ix~0, 0bv32)) && ~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 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-23 14:11:33,508 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1843237d-c5d2-4ade-a319-eff556a819eb/bin-2019/uautomizer/witness.graphml [2018-11-23 14:11:33,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:11:33,509 INFO L168 Benchmark]: Toolchain (without parser) took 274399.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 954.6 MB in the beginning and 852.5 MB in the end (delta: 102.1 MB). Peak memory consumption was 229.5 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:33,510 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:11:33,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.42 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 937.1 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:33,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.42 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:11:33,510 INFO L168 Benchmark]: Boogie Preprocessor took 22.68 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:11:33,510 INFO L168 Benchmark]: RCFGBuilder took 688.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:33,511 INFO L168 Benchmark]: TraceAbstraction took 273412.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.3 MB in the end (delta: 229.0 MB). Peak memory consumption was 229.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:33,511 INFO L168 Benchmark]: Witness Printer took 49.11 ms. Allocated memory is still 1.2 GB. Free memory was 859.3 MB in the beginning and 852.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:33,512 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.42 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 937.1 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.42 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.68 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 688.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 273412.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.3 MB in the end (delta: 229.0 MB). Peak memory consumption was 229.0 MB. Max. memory is 11.5 GB. * Witness Printer took 49.11 ms. Allocated memory is still 1.2 GB. Free memory was 859.3 MB in the beginning and 852.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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] - 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: 98]: 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: 76]: Loop Invariant [2018-11-23 14:11:33,515 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,515 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,516 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,516 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,516 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,516 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,516 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,516 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,516 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,518 WARN L416 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 :: (~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && !~bvslt32(__ieee754_sqrtf_~ix~0, 0bv32)) && ~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 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 39]: Loop Invariant [2018-11-23 14:11:33,518 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,518 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,518 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,518 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,519 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,519 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,519 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,519 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,519 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,519 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,519 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,520 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,520 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,520 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,520 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,520 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,520 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,520 WARN L416 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 :: (~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && !~bvslt32(__ieee754_sqrtf_~ix~0, 0bv32)) && ~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 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 53]: Loop Invariant [2018-11-23 14:11:33,521 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,521 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,521 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,521 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,521 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,521 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,521 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,521 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,521 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,522 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,522 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,522 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,522 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,522 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,522 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,522 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,522 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 14:11:33,523 WARN L416 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 :: (~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && !~bvslt32(__ieee754_sqrtf_~ix~0, 0bv32)) && ~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 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~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, 47 locations, 1 error locations. SAFE Result, 273.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 238.5s AutomataDifference, 0.0s DeadEndRemovalTime, 5.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 211 SDtfs, 206 SDslu, 659 SDs, 0 SdLazy, 269 SolverSat, 12 SolverUnsat, 71 SolverUnknown, 0 SolverNotchecked, 161.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 48.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 16 PreInvPairs, 23 NumberOfFragments, 151 HoareAnnotationTreeSize, 16 FomulaSimplifications, 306 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 99 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 28.6s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 119 ConstructedInterpolants, 25 QuantifiedInterpolants, 20964 SizeOfPredicates, 17 NumberOfNonLiveVariables, 319 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...