./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-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_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/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 c8e4dbe5a9ab518912f1108432d43f490ec977d7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/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 c8e4dbe5a9ab518912f1108432d43f490ec977d7 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:20:27,145 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:20:27,146 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:20:27,154 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:20:27,154 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:20:27,155 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:20:27,156 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:20:27,157 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:20:27,158 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:20:27,159 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:20:27,159 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:20:27,159 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:20:27,160 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:20:27,161 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:20:27,162 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:20:27,163 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:20:27,163 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:20:27,164 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:20:27,166 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:20:27,168 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:20:27,168 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:20:27,169 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:20:27,171 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:20:27,171 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:20:27,171 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:20:27,172 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:20:27,173 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:20:27,174 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:20:27,174 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:20:27,175 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:20:27,175 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:20:27,176 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:20:27,176 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:20:27,176 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:20:27,177 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:20:27,178 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:20:27,179 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 07:20:27,189 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:20:27,189 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:20:27,189 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:20:27,190 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:20:27,190 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:20:27,190 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:20:27,190 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:20:27,191 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:20:27,191 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:20:27,191 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:20:27,191 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:20:27,191 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:20:27,191 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:20:27,191 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:20:27,191 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:20:27,192 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:20:27,192 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:20:27,192 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:20:27,192 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:20:27,192 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:20:27,192 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:20:27,192 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:20:27,193 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:20:27,195 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:20:27,195 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:20:27,195 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:20:27,195 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:20:27,196 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:20:27,196 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:20:27,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:20:27,196 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_2a422937-1218-441b-9439-46b11f243d1e/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 -> c8e4dbe5a9ab518912f1108432d43f490ec977d7 [2018-11-23 07:20:27,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:20:27,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:20:27,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:20:27,228 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:20:27,228 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:20:27,228 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-11-23 07:20:27,262 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/data/c0ce13ca4/b6d795a55b3b4f6dadcbbfbd832817ef/FLAG4303ace25 [2018-11-23 07:20:27,558 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:20:27,559 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-11-23 07:20:27,563 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/data/c0ce13ca4/b6d795a55b3b4f6dadcbbfbd832817ef/FLAG4303ace25 [2018-11-23 07:20:27,571 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/data/c0ce13ca4/b6d795a55b3b4f6dadcbbfbd832817ef [2018-11-23 07:20:27,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:20:27,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:20:27,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:20:27,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:20:27,578 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:20:27,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:20:27" (1/1) ... [2018-11-23 07:20:27,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b02929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:27, skipping insertion in model container [2018-11-23 07:20:27,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:20:27" (1/1) ... [2018-11-23 07:20:27,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:20:27,599 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:20:27,704 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:20:27,706 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:20:27,722 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:20:27,740 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:20:27,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:27 WrapperNode [2018-11-23 07:20:27,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:20:27,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:20:27,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:20:27,741 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:20:27,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:27" (1/1) ... [2018-11-23 07:20:27,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:27" (1/1) ... [2018-11-23 07:20:27,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:20:27,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:20:27,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:20:27,761 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:20:27,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:27" (1/1) ... [2018-11-23 07:20:27,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:27" (1/1) ... [2018-11-23 07:20:27,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:27" (1/1) ... [2018-11-23 07:20:27,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:27" (1/1) ... [2018-11-23 07:20:27,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:27" (1/1) ... [2018-11-23 07:20:27,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:27" (1/1) ... [2018-11-23 07:20:27,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:27" (1/1) ... [2018-11-23 07:20:27,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:20:27,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:20:27,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:20:27,826 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:20:27,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/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 07:20:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:20:27,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:20:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_float [2018-11-23 07:20:27,863 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_float [2018-11-23 07:20:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-23 07:20:27,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-23 07:20:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:20:27,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:20:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 07:20:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:20:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:20:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:20:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 07:20:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-23 07:20:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-23 07:20:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:20:28,044 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:20:28,044 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 07:20:28,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:20:28 BoogieIcfgContainer [2018-11-23 07:20:28,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:20:28,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:20:28,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:20:28,048 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:20:28,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:20:27" (1/3) ... [2018-11-23 07:20:28,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5e03c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:20:28, skipping insertion in model container [2018-11-23 07:20:28,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:27" (2/3) ... [2018-11-23 07:20:28,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5e03c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:20:28, skipping insertion in model container [2018-11-23 07:20:28,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:20:28" (3/3) ... [2018-11-23 07:20:28,052 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1252b_false-unreach-call.c [2018-11-23 07:20:28,060 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:20:28,067 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:20:28,083 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:20:28,105 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:20:28,106 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:20:28,106 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:20:28,106 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:20:28,106 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:20:28,106 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:20:28,106 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:20:28,106 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:20:28,107 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:20:28,118 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-11-23 07:20:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 07:20:28,123 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:20:28,124 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 07:20:28,126 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:20:28,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:20:28,131 INFO L82 PathProgramCache]: Analyzing trace with hash -278474869, now seen corresponding path program 1 times [2018-11-23 07:20:28,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:20:28,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:20:28,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:20:28,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:20:28,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:20:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:20:28,241 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 07:20:28,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:20:28,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:20:28,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:20:28,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:20:28,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:20:28,262 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2018-11-23 07:20:28,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:20:28,282 INFO L93 Difference]: Finished difference Result 79 states and 107 transitions. [2018-11-23 07:20:28,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:20:28,283 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-23 07:20:28,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:20:28,289 INFO L225 Difference]: With dead ends: 79 [2018-11-23 07:20:28,289 INFO L226 Difference]: Without dead ends: 40 [2018-11-23 07:20:28,291 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 07:20:28,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-23 07:20:28,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-11-23 07:20:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-23 07:20:28,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2018-11-23 07:20:28,318 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 22 [2018-11-23 07:20:28,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:20:28,319 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2018-11-23 07:20:28,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:20:28,319 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2018-11-23 07:20:28,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:20:28,320 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:20:28,321 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 07:20:28,321 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:20:28,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:20:28,321 INFO L82 PathProgramCache]: Analyzing trace with hash -428418178, now seen corresponding path program 1 times [2018-11-23 07:20:28,321 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:20:28,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:20:28,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:20:28,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:20:28,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:20:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:20:28,379 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 07:20:28,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:20:28,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:20:28,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:20:28,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:20:28,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:20:28,381 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 4 states. [2018-11-23 07:20:28,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:20:28,410 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2018-11-23 07:20:28,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:20:28,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-11-23 07:20:28,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:20:28,412 INFO L225 Difference]: With dead ends: 59 [2018-11-23 07:20:28,412 INFO L226 Difference]: Without dead ends: 44 [2018-11-23 07:20:28,413 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:20:28,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-23 07:20:28,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-23 07:20:28,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-23 07:20:28,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2018-11-23 07:20:28,420 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 23 [2018-11-23 07:20:28,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:20:28,420 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2018-11-23 07:20:28,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:20:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-11-23 07:20:28,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 07:20:28,421 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:20:28,421 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] [2018-11-23 07:20:28,422 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:20:28,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:20:28,422 INFO L82 PathProgramCache]: Analyzing trace with hash 328113906, now seen corresponding path program 1 times [2018-11-23 07:20:28,422 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:20:28,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:20:28,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:20:28,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:20:28,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:20:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:20:28,479 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 07:20:28,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:20:28,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:20:28,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:20:28,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:20:28,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:20:28,481 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand 4 states. [2018-11-23 07:20:28,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:20:28,504 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2018-11-23 07:20:28,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:20:28,505 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-11-23 07:20:28,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:20:28,505 INFO L225 Difference]: With dead ends: 63 [2018-11-23 07:20:28,506 INFO L226 Difference]: Without dead ends: 48 [2018-11-23 07:20:28,506 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:20:28,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-11-23 07:20:28,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2018-11-23 07:20:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-23 07:20:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2018-11-23 07:20:28,510 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 26 [2018-11-23 07:20:28,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:20:28,511 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2018-11-23 07:20:28,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:20:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-11-23 07:20:28,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 07:20:28,511 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:20:28,511 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] [2018-11-23 07:20:28,511 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:20:28,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:20:28,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1468837453, now seen corresponding path program 1 times [2018-11-23 07:20:28,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:20:28,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:20:28,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:20:28,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:20:28,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:20:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:20:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:20:28,564 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=4286578695, |#NULL.offset|=4286578691, |old(#NULL.base)|=4286578695, |old(#NULL.offset)|=4286578691] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=4286578695, |old(#NULL.offset)|=4286578691] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=4286578695, |old(#NULL.offset)|=4286578691] [?] RET #90#return; VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret10 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] ~x~0 := 0.0;~y~0 := ~someUnaryFLOAToperation(0.0); VAL [main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |fmax_float_#in~x|=0.0, |fmax_float_#in~y|=4286578690.0] [?] ~x := #in~x;~y := #in~y; VAL [fmax_float_~x=0.0, fmax_float_~y=4286578690.0, |#NULL.base|=0, |#NULL.offset|=0, |fmax_float_#in~x|=0.0, |fmax_float_#in~y|=4286578690.0] [?] CALL call #t~ret2 := __fpclassify_float(~x); VAL [|#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] ~x := #in~x;havoc ~w~0; VAL [__fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] 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);~w~0 := #t~mem0;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 [__fpclassify_float_~w~0=4286578689, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] goto; VAL [__fpclassify_float_~w~0=4286578689, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); VAL [__fpclassify_float_~w~0=4286578689, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); VAL [__fpclassify_float_~w~0=4286578689, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); VAL [__fpclassify_float_~w~0=4286578689, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296);#res := 0; VAL [__fpclassify_float_~w~0=4286578689, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0, |__fpclassify_float_#res|=0] [?] assume true; VAL [__fpclassify_float_~w~0=4286578689, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0, |__fpclassify_float_#res|=0] [?] RET #98#return; VAL [fmax_float_~x=0.0, fmax_float_~y=4286578690.0, |#NULL.base|=0, |#NULL.offset|=0, |fmax_float_#in~x|=0.0, |fmax_float_#in~y|=4286578690.0, |fmax_float_#t~ret2|=0] [?] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [fmax_float_~x=0.0, fmax_float_~y=4286578690.0, |#NULL.base|=0, |#NULL.offset|=0, |fmax_float_#in~x|=0.0, |fmax_float_#in~y|=4286578690.0, |fmax_float_#t~ret2|=0] [?] assume 0 == #t~ret2;havoc #t~ret2;#res := ~y; VAL [fmax_float_~x=0.0, fmax_float_~y=4286578690.0, |#NULL.base|=0, |#NULL.offset|=0, |fmax_float_#in~x|=0.0, |fmax_float_#in~y|=4286578690.0, |fmax_float_#res|=4286578690.0] [?] assume true; VAL [fmax_float_~x=0.0, fmax_float_~y=4286578690.0, |#NULL.base|=0, |#NULL.offset|=0, |fmax_float_#in~x|=0.0, |fmax_float_#in~y|=4286578690.0, |fmax_float_#res|=4286578690.0] [?] RET #94#return; VAL [main_~x~0=0.0, main_~y~0=4286578690.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret7|=4286578690.0] [?] ~res~0 := #t~ret7;havoc #t~ret7;#t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [main_~res~0=4286578690.0, main_~x~0=0.0, main_~y~0=4286578690.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~short9|=false] [?] assume !#t~short9; VAL [main_~res~0=4286578690.0, main_~x~0=0.0, main_~y~0=4286578690.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~short9|=false] [?] assume !#t~short9;havoc #t~ret8;havoc #t~short9; VAL [main_~res~0=4286578690.0, main_~x~0=0.0, main_~y~0=4286578690.0, |#NULL.base|=0, |#NULL.offset|=0] [?] assume !false; VAL [main_~res~0=4286578690.0, main_~x~0=0.0, main_~y~0=4286578690.0, |#NULL.base|=0, |#NULL.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=4286578695, #NULL.offset=4286578691, old(#NULL.base)=4286578695, old(#NULL.offset)=4286578691] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=4286578695, old(#NULL.offset)=4286578691] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=4286578695, old(#NULL.offset)=4286578691] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret10 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L73] ~x~0 := 0.0; [L74] ~y~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL.base=0, #NULL.offset=0, ~x~0=0.0] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL.base=0, #NULL.offset=0] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL.base=0, #NULL.offset=0, ~x=0.0, ~y=4.28657869E9] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~x=0.0] [L24] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L25] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L26] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L26] ~w~0 := #t~mem0; [L26] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L26] havoc #t~mem0; [L26] havoc #t~union1; [L24] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L24] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L29-L40] assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L31-L40] assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L34-L40] assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L37-L40] assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296); [L40] #res := 0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L20-L41] ensures true; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL.base=0, #NULL.offset=0, #t~ret2=0, ~x=0.0, ~y=4.28657869E9] [L44] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL.base=0, #NULL.offset=0, #t~ret2=0, ~x=0.0, ~y=4.28657869E9] [L44-L46] assume 0 == #t~ret2; [L44] havoc #t~ret2; [L45] #res := ~y; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL.base=0, #NULL.offset=0, #res=4.28657869E9, ~x=0.0, ~y=4.28657869E9] [L43-L52] ensures true; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL.base=0, #NULL.offset=0, #res=4.28657869E9, ~x=0.0, ~y=4.28657869E9] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, #t~short9=false, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L78] assume !#t~short9; VAL [#NULL.base=0, #NULL.offset=0, #t~short9=false, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L78-L81] assume !#t~short9; [L78] havoc #t~ret8; [L78] havoc #t~short9; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L79] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=4286578695, #NULL.offset=4286578691, old(#NULL.base)=4286578695, old(#NULL.offset)=4286578691] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=4286578695, old(#NULL.offset)=4286578691] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=4286578695, old(#NULL.offset)=4286578691] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret10 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L73] ~x~0 := 0.0; [L74] ~y~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL.base=0, #NULL.offset=0, ~x~0=0.0] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL.base=0, #NULL.offset=0] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL.base=0, #NULL.offset=0, ~x=0.0, ~y=4.28657869E9] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~x=0.0] [L24] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L25] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L26] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L26] ~w~0 := #t~mem0; [L26] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L26] havoc #t~mem0; [L26] havoc #t~union1; [L24] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L24] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L29-L40] assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L31-L40] assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L34-L40] assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L37-L40] assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296); [L40] #res := 0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L20-L41] ensures true; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL.base=0, #NULL.offset=0, #t~ret2=0, ~x=0.0, ~y=4.28657869E9] [L44] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL.base=0, #NULL.offset=0, #t~ret2=0, ~x=0.0, ~y=4.28657869E9] [L44-L46] assume 0 == #t~ret2; [L44] havoc #t~ret2; [L45] #res := ~y; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL.base=0, #NULL.offset=0, #res=4.28657869E9, ~x=0.0, ~y=4.28657869E9] [L43-L52] ensures true; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL.base=0, #NULL.offset=0, #res=4.28657869E9, ~x=0.0, ~y=4.28657869E9] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, #t~short9=false, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L78] assume !#t~short9; VAL [#NULL.base=0, #NULL.offset=0, #t~short9=false, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L78-L81] assume !#t~short9; [L78] havoc #t~ret8; [L78] havoc #t~short9; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L79] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=4286578695, #NULL!offset=4286578691, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578691] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578691] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L73] ~x~0 := 0.0; [L74] ~y~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0, ~x~0=0.0] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, ~x=0.0, ~y=4.28657869E9] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L25] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L26] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L26] havoc #t~mem0; [L26] havoc #t~union1; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L29] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L31-L32] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L34-L35] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L37] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L40] #res := 0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.28657869E9] [L44] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.28657869E9] [L44] COND TRUE 0 == #t~ret2 [L44] havoc #t~ret2; [L45] #res := ~y; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, #res=4.28657869E9, ~x=0.0, ~y=4.28657869E9] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L78] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L78] COND TRUE !#t~short9 [L78] havoc #t~ret8; [L78] havoc #t~short9; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L79] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=4286578695, #NULL!offset=4286578691, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578691] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578691] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L73] ~x~0 := 0.0; [L74] ~y~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0, ~x~0=0.0] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, ~x=0.0, ~y=4.28657869E9] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L25] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L26] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L26] havoc #t~mem0; [L26] havoc #t~union1; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L29] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L31-L32] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L34-L35] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L37] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L40] #res := 0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.28657869E9] [L44] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.28657869E9] [L44] COND TRUE 0 == #t~ret2 [L44] havoc #t~ret2; [L45] #res := ~y; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, #res=4.28657869E9, ~x=0.0, ~y=4.28657869E9] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L78] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L78] COND TRUE !#t~short9 [L78] havoc #t~ret8; [L78] havoc #t~short9; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L79] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=4286578695, #NULL!offset=4286578691, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578691] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578691] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L73] ~x~0 := 0.0; [L74] ~y~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0, ~x~0=0.0] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, ~x=0.0, ~y=4.28657869E9] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L25] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L26] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L26] havoc #t~mem0; [L26] havoc #t~union1; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L29] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L31-L32] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L34-L35] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L37] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L40] #res := 0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.28657869E9] [L44] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.28657869E9] [L44] COND TRUE 0 == #t~ret2 [L44] havoc #t~ret2; [L45] #res := ~y; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, #res=4.28657869E9, ~x=0.0, ~y=4.28657869E9] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L78] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L78] COND TRUE !#t~short9 [L78] havoc #t~ret8; [L78] havoc #t~short9; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L79] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=4286578695, #NULL!offset=4286578691, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578691] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578691] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L73] ~x~0 := 0.0; [L74] ~y~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0, ~x~0=0.0] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, ~x=0.0, ~y=4.28657869E9] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L25] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L26] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L26] havoc #t~mem0; [L26] havoc #t~union1; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L29] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L31-L32] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L34-L35] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L37] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L40] #res := 0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.28657869E9] [L44] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.28657869E9] [L44] COND TRUE 0 == #t~ret2 [L44] havoc #t~ret2; [L45] #res := ~y; VAL [#in~x=0.0, #in~y=4.28657869E9, #NULL!base=0, #NULL!offset=0, #res=4.28657869E9, ~x=0.0, ~y=4.28657869E9] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L78] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L78] COND TRUE !#t~short9 [L78] havoc #t~ret8; [L78] havoc #t~short9; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L79] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.28657869E9, ~x~0=0.0, ~y~0=4.28657869E9] [L73] float x = 0.0f; [L74] float y = -0.0f; VAL [x=0] [L75] CALL, EXPR fmax_float(x, y) VAL [\old(x)=0, \old(y)=4286578690] [L44] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0] [L21] __uint32_t w; VAL [\old(x)=0, x=0] [L24] ieee_float_shape_type gf_u; [L25] gf_u.value = (x) [L26] EXPR gf_u.word [L26] (w) = gf_u.word [L29] COND FALSE !(w == 0x00000000 || w == 0x80000000) VAL [\old(x)=0, w=4286578689, x=0] [L31-L32] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) VAL [\old(x)=0, w=4286578689, x=0] [L34-L35] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) VAL [\old(x)=0, w=4286578689, x=0] [L37] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L40] return 0; VAL [\old(x)=0, \result=0, w=4286578689, x=0] [L44] RET, EXPR __fpclassify_float(x) VAL [\old(x)=0, \old(y)=4286578690, __fpclassify_float(x)=0, x=0, y=4286578690] [L44] COND TRUE __fpclassify_float(x) == 0 [L45] return y; VAL [\old(x)=0, \old(y)=4286578690, \result=4286578690, x=0, y=4286578690] [L75] RET, EXPR fmax_float(x, y) VAL [fmax_float(x, y)=4286578690, x=0, y=4286578690] [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=4286578690, res == 0.0f && __signbit_float(res) == 0=0, x=0, y=4286578690] [L78] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L79] __VERIFIER_error() VAL [res=4286578690, x=0, y=4286578690] ----- [2018-11-23 07:20:28,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:20:28 BoogieIcfgContainer [2018-11-23 07:20:28,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:20:28,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:20:28,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:20:28,601 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:20:28,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:20:28" (3/4) ... [2018-11-23 07:20:28,605 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 07:20:28,605 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:20:28,605 INFO L168 Benchmark]: Toolchain (without parser) took 1032.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -124.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:20:28,607 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:20:28,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.53 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 939.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:20:28,608 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.54 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:20:28,608 INFO L168 Benchmark]: Boogie Preprocessor took 65.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -204.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:20:28,609 INFO L168 Benchmark]: RCFGBuilder took 219.45 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: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-23 07:20:28,610 INFO L168 Benchmark]: TraceAbstraction took 554.69 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: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:20:28,610 INFO L168 Benchmark]: Witness Printer took 4.02 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 07:20:28,613 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 165.53 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 939.3 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 19.54 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -204.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 219.45 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: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 554.69 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: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.02 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: 79]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someUnaryFLOAToperation at line 74. Possible FailurePath: [L73] float x = 0.0f; [L74] float y = -0.0f; VAL [x=0] [L75] CALL, EXPR fmax_float(x, y) VAL [\old(x)=0, \old(y)=4286578690] [L44] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0] [L21] __uint32_t w; VAL [\old(x)=0, x=0] [L24] ieee_float_shape_type gf_u; [L25] gf_u.value = (x) [L26] EXPR gf_u.word [L26] (w) = gf_u.word [L29] COND FALSE !(w == 0x00000000 || w == 0x80000000) VAL [\old(x)=0, w=4286578689, x=0] [L31-L32] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) VAL [\old(x)=0, w=4286578689, x=0] [L34-L35] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) VAL [\old(x)=0, w=4286578689, x=0] [L37] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L40] return 0; VAL [\old(x)=0, \result=0, w=4286578689, x=0] [L44] RET, EXPR __fpclassify_float(x) VAL [\old(x)=0, \old(y)=4286578690, __fpclassify_float(x)=0, x=0, y=4286578690] [L44] COND TRUE __fpclassify_float(x) == 0 [L45] return y; VAL [\old(x)=0, \old(y)=4286578690, \result=4286578690, x=0, y=4286578690] [L75] RET, EXPR fmax_float(x, y) VAL [fmax_float(x, y)=4286578690, x=0, y=4286578690] [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=4286578690, res == 0.0f && __signbit_float(res) == 0=0, x=0, y=4286578690] [L78] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L79] __VERIFIER_error() VAL [res=4286578690, x=0, y=4286578690] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 44 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 144 SDtfs, 0 SDslu, 172 SDs, 0 SdLazy, 17 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 1926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 07:20:30,057 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:20:30,058 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:20:30,067 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:20:30,067 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:20:30,068 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:20:30,069 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:20:30,070 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:20:30,071 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:20:30,072 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:20:30,073 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:20:30,073 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:20:30,074 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:20:30,075 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:20:30,076 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:20:30,076 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:20:30,078 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:20:30,079 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:20:30,081 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:20:30,082 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:20:30,083 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:20:30,083 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:20:30,086 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:20:30,086 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:20:30,086 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:20:30,087 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:20:30,087 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:20:30,088 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:20:30,089 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:20:30,090 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:20:30,090 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:20:30,091 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:20:30,091 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:20:30,091 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:20:30,092 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:20:30,093 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:20:30,093 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 07:20:30,104 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:20:30,104 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:20:30,105 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:20:30,105 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:20:30,105 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:20:30,106 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:20:30,106 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:20:30,106 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:20:30,106 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:20:30,106 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:20:30,106 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:20:30,106 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:20:30,107 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:20:30,107 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:20:30,107 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 07:20:30,107 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 07:20:30,107 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:20:30,107 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:20:30,108 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:20:30,108 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:20:30,108 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:20:30,108 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:20:30,108 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:20:30,108 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:20:30,108 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:20:30,109 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:20:30,109 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:20:30,109 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:20:30,109 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 07:20:30,109 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:20:30,109 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 07:20:30,110 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 07:20:30,110 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_2a422937-1218-441b-9439-46b11f243d1e/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 -> c8e4dbe5a9ab518912f1108432d43f490ec977d7 [2018-11-23 07:20:30,141 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:20:30,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:20:30,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:20:30,155 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:20:30,155 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:20:30,155 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-11-23 07:20:30,201 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/data/63948d234/d3053449d9cb4bfd89b52d588820e382/FLAGda8ad54c6 [2018-11-23 07:20:30,528 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:20:30,529 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-11-23 07:20:30,533 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/data/63948d234/d3053449d9cb4bfd89b52d588820e382/FLAGda8ad54c6 [2018-11-23 07:20:30,959 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/data/63948d234/d3053449d9cb4bfd89b52d588820e382 [2018-11-23 07:20:30,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:20:30,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:20:30,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:20:30,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:20:30,965 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:20:30,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:20:30" (1/1) ... [2018-11-23 07:20:30,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12511f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:30, skipping insertion in model container [2018-11-23 07:20:30,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:20:30" (1/1) ... [2018-11-23 07:20:30,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:20:30,991 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:20:31,120 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:20:31,124 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:20:31,145 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:20:31,165 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:20:31,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:31 WrapperNode [2018-11-23 07:20:31,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:20:31,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:20:31,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:20:31,167 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:20:31,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:31" (1/1) ... [2018-11-23 07:20:31,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:31" (1/1) ... [2018-11-23 07:20:31,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:20:31,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:20:31,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:20:31,186 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:20:31,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:31" (1/1) ... [2018-11-23 07:20:31,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:31" (1/1) ... [2018-11-23 07:20:31,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:31" (1/1) ... [2018-11-23 07:20:31,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:31" (1/1) ... [2018-11-23 07:20:31,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:31" (1/1) ... [2018-11-23 07:20:31,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:31" (1/1) ... [2018-11-23 07:20:31,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:31" (1/1) ... [2018-11-23 07:20:31,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:20:31,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:20:31,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:20:31,213 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:20:31,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/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 07:20:31,299 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:20:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:20:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_float [2018-11-23 07:20:31,300 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_float [2018-11-23 07:20:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-23 07:20:31,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-23 07:20:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:20:31,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:20:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:20:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 07:20:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:20:31,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:20:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 07:20:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-23 07:20:31,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-23 07:20:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:20:31,462 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:20:31,494 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:20:31,500 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:20:31,500 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 07:20:31,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:20:31 BoogieIcfgContainer [2018-11-23 07:20:31,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:20:31,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:20:31,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:20:31,503 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:20:31,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:20:30" (1/3) ... [2018-11-23 07:20:31,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5090beb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:20:31, skipping insertion in model container [2018-11-23 07:20:31,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:20:31" (2/3) ... [2018-11-23 07:20:31,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5090beb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:20:31, skipping insertion in model container [2018-11-23 07:20:31,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:20:31" (3/3) ... [2018-11-23 07:20:31,506 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1252b_false-unreach-call.c [2018-11-23 07:20:31,512 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:20:31,517 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:20:31,529 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:20:31,548 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:20:31,549 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:20:31,549 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:20:31,549 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:20:31,549 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:20:31,549 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:20:31,549 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:20:31,549 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:20:31,549 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:20:31,559 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-11-23 07:20:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:20:31,563 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:20:31,564 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 07:20:31,565 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:20:31,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:20:31,568 INFO L82 PathProgramCache]: Analyzing trace with hash -849686715, now seen corresponding path program 1 times [2018-11-23 07:20:31,571 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 07:20:31,571 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/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 07:20:31,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:20:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:20:31,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:20:31,636 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 07:20:31,636 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 07:20:31,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:20:31,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:20:31,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:20:31,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:20:31,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:20:31,660 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-11-23 07:20:31,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:20:31,676 INFO L93 Difference]: Finished difference Result 75 states and 103 transitions. [2018-11-23 07:20:31,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:20:31,677 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-23 07:20:31,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:20:31,684 INFO L225 Difference]: With dead ends: 75 [2018-11-23 07:20:31,684 INFO L226 Difference]: Without dead ends: 38 [2018-11-23 07:20:31,687 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 07:20:31,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-11-23 07:20:31,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-11-23 07:20:31,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-23 07:20:31,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2018-11-23 07:20:31,714 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 21 [2018-11-23 07:20:31,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:20:31,715 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2018-11-23 07:20:31,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:20:31,715 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2018-11-23 07:20:31,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 07:20:31,716 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:20:31,716 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 07:20:31,717 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:20:31,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:20:31,717 INFO L82 PathProgramCache]: Analyzing trace with hash -2014516036, now seen corresponding path program 1 times [2018-11-23 07:20:31,717 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 07:20:31,717 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/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 07:20:31,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:20:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:20:31,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:20:31,795 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 07:20:31,796 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 07:20:31,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:20:31,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:20:31,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:20:31,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:20:31,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:20:31,807 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand 4 states. [2018-11-23 07:20:31,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:20:31,845 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2018-11-23 07:20:31,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:20:31,845 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-11-23 07:20:31,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:20:31,847 INFO L225 Difference]: With dead ends: 56 [2018-11-23 07:20:31,847 INFO L226 Difference]: Without dead ends: 41 [2018-11-23 07:20:31,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:20:31,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-23 07:20:31,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-23 07:20:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-23 07:20:31,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2018-11-23 07:20:31,855 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 22 [2018-11-23 07:20:31,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:20:31,856 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2018-11-23 07:20:31,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:20:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-11-23 07:20:31,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:20:31,857 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:20:31,857 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 07:20:31,857 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:20:31,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:20:31,857 INFO L82 PathProgramCache]: Analyzing trace with hash -842703294, now seen corresponding path program 1 times [2018-11-23 07:20:31,858 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 07:20:31,858 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/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 07:20:31,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:20:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:20:31,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:20:32,010 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 07:20:32,011 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 07:20:32,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:20:32,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 07:20:32,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 07:20:32,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 07:20:32,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:20:32,019 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 8 states. [2018-11-23 07:20:32,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:20:32,384 INFO L93 Difference]: Finished difference Result 60 states and 73 transitions. [2018-11-23 07:20:32,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:20:32,385 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-11-23 07:20:32,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:20:32,386 INFO L225 Difference]: With dead ends: 60 [2018-11-23 07:20:32,386 INFO L226 Difference]: Without dead ends: 40 [2018-11-23 07:20:32,386 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 07:20:32,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-23 07:20:32,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-11-23 07:20:32,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-23 07:20:32,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2018-11-23 07:20:32,390 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 23 [2018-11-23 07:20:32,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:20:32,391 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2018-11-23 07:20:32,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 07:20:32,391 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2018-11-23 07:20:32,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:20:32,392 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:20:32,392 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:20:32,392 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:20:32,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:20:32,392 INFO L82 PathProgramCache]: Analyzing trace with hash 513797078, now seen corresponding path program 1 times [2018-11-23 07:20:32,393 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 07:20:32,393 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/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 07:20:32,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:20:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:20:32,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:20:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:20:32,464 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 07:20:32,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:20:32,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:20:32,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:20:32,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:20:32,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:20:32,471 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand 4 states. [2018-11-23 07:20:32,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:20:32,483 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2018-11-23 07:20:32,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:20:32,483 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-11-23 07:20:32,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:20:32,484 INFO L225 Difference]: With dead ends: 56 [2018-11-23 07:20:32,484 INFO L226 Difference]: Without dead ends: 41 [2018-11-23 07:20:32,484 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:20:32,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-23 07:20:32,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-23 07:20:32,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-23 07:20:32,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2018-11-23 07:20:32,487 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 30 [2018-11-23 07:20:32,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:20:32,488 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2018-11-23 07:20:32,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:20:32,488 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2018-11-23 07:20:32,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:20:32,488 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:20:32,488 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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 07:20:32,489 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:20:32,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:20:32,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1245379058, now seen corresponding path program 1 times [2018-11-23 07:20:32,489 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 07:20:32,489 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/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 07:20:32,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:20:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:20:32,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:20:32,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 07:20:32,623 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 07:20:32,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:20:32,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 07:20:32,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 07:20:32,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 07:20:32,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:20:32,632 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand 8 states. [2018-11-23 07:20:32,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:20:32,895 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2018-11-23 07:20:32,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:20:32,896 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2018-11-23 07:20:32,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:20:32,897 INFO L225 Difference]: With dead ends: 58 [2018-11-23 07:20:32,897 INFO L226 Difference]: Without dead ends: 35 [2018-11-23 07:20:32,897 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 07:20:32,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-23 07:20:32,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-23 07:20:32,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-23 07:20:32,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2018-11-23 07:20:32,900 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 31 [2018-11-23 07:20:32,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:20:32,901 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2018-11-23 07:20:32,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 07:20:32,901 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-11-23 07:20:32,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:20:32,901 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:20:32,902 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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 07:20:32,902 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:20:32,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:20:32,902 INFO L82 PathProgramCache]: Analyzing trace with hash 45724059, now seen corresponding path program 1 times [2018-11-23 07:20:32,902 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 07:20:32,902 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-23 07:20:32,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:20:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:20:32,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:20:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 07:20:32,975 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 07:20:32,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:20:32,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 07:20:32,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 07:20:32,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 07:20:32,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:20:32,985 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 5 states. [2018-11-23 07:20:33,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:20:33,050 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2018-11-23 07:20:33,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 07:20:33,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-23 07:20:33,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:20:33,052 INFO L225 Difference]: With dead ends: 51 [2018-11-23 07:20:33,052 INFO L226 Difference]: Without dead ends: 35 [2018-11-23 07:20:33,052 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:20:33,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-23 07:20:33,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-23 07:20:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-23 07:20:33,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2018-11-23 07:20:33,056 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 32 [2018-11-23 07:20:33,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:20:33,056 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2018-11-23 07:20:33,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 07:20:33,057 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-11-23 07:20:33,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:20:33,057 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:20:33,057 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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 07:20:33,057 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:20:33,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:20:33,058 INFO L82 PathProgramCache]: Analyzing trace with hash -763622567, now seen corresponding path program 1 times [2018-11-23 07:20:33,058 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 07:20:33,058 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-23 07:20:33,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:20:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:20:33,097 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:20:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 07:20:33,152 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 07:20:33,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:20:33,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 07:20:33,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 07:20:33,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 07:20:33,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:20:33,161 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 8 states. [2018-11-23 07:20:33,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:20:33,303 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2018-11-23 07:20:33,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:20:33,303 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-11-23 07:20:33,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:20:33,304 INFO L225 Difference]: With dead ends: 38 [2018-11-23 07:20:33,304 INFO L226 Difference]: Without dead ends: 35 [2018-11-23 07:20:33,304 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-23 07:20:33,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-23 07:20:33,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-23 07:20:33,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-23 07:20:33,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-11-23 07:20:33,307 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 32 [2018-11-23 07:20:33,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:20:33,307 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-11-23 07:20:33,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 07:20:33,307 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-11-23 07:20:33,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 07:20:33,308 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:20:33,308 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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 07:20:33,308 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:20:33,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:20:33,308 INFO L82 PathProgramCache]: Analyzing trace with hash -135886477, now seen corresponding path program 1 times [2018-11-23 07:20:33,309 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 07:20:33,309 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-23 07:20:33,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:20:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:20:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:20:33,445 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=(_ bv5 32), |#NULL.offset|=(_ bv3 32), |old(#NULL.base)|=(_ bv5 32), |old(#NULL.offset)|=(_ bv3 32)] [?] #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |old(#NULL.base)|=(_ bv5 32), |old(#NULL.offset)|=(_ bv3 32)] [?] assume true; VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |old(#NULL.base)|=(_ bv5 32), |old(#NULL.offset)|=(_ bv3 32)] [?] RET #88#return; VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32)] [?] CALL call #t~ret10 := main(); VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32)] [?] ~x~0 := ~Pluszero~FLOAT();~y~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT()); VAL [main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32)] [?] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] ~x := #in~x;~y := #in~y; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] CALL call #t~ret2 := __fpclassify_float(~x); VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000)] [?] ~x := #in~x;havoc ~w~0; VAL [__fpclassify_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000)] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4bv32);call write~intFLOATTYPE4(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32);call #t~mem0 := read~intINTTYPE4(~#gf_u~0.base, ~#gf_u~0.offset, 4bv32);~w~0 := #t~mem0;call write~intFLOATTYPE4(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32);havoc #t~union1;havoc #t~mem0;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [__fpclassify_float_~w~0=(_ bv0 32), __fpclassify_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000)] [?] goto; VAL [__fpclassify_float_~w~0=(_ bv0 32), __fpclassify_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000)] [?] assume 0bv32 == ~w~0 || 2147483648bv32 == ~w~0;#res := 2bv32; VAL [__fpclassify_float_~w~0=(_ bv0 32), __fpclassify_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |__fpclassify_float_#res|=(_ bv2 32)] [?] assume true; VAL [__fpclassify_float_~w~0=(_ bv0 32), __fpclassify_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |__fpclassify_float_#res|=(_ bv2 32)] [?] RET #96#return; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000), |fmax_float_#t~ret2|=(_ bv2 32)] [?] assume !(0bv32 == #t~ret2);havoc #t~ret2; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] CALL call #t~ret3 := __fpclassify_float(~y); VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] ~x := #in~x;havoc ~w~0; VAL [__fpclassify_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4bv32);call write~intFLOATTYPE4(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32);call #t~mem0 := read~intINTTYPE4(~#gf_u~0.base, ~#gf_u~0.offset, 4bv32);~w~0 := #t~mem0;call write~intFLOATTYPE4(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32);havoc #t~union1;havoc #t~mem0;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [__fpclassify_float_~w~0=(_ bv2147483648 32), __fpclassify_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] goto; VAL [__fpclassify_float_~w~0=(_ bv2147483648 32), __fpclassify_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] assume 0bv32 == ~w~0 || 2147483648bv32 == ~w~0;#res := 2bv32; VAL [__fpclassify_float_~w~0=(_ bv2147483648 32), __fpclassify_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000), |__fpclassify_float_#res|=(_ bv2 32)] [?] assume true; VAL [__fpclassify_float_~w~0=(_ bv2147483648 32), __fpclassify_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000), |__fpclassify_float_#res|=(_ bv2 32)] [?] RET #98#return; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000), |fmax_float_#t~ret3|=(_ bv2 32)] [?] assume !(0bv32 == #t~ret3);havoc #t~ret3; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] assume !~fp.gt~FLOAT(~x, ~y);#t~ite4 := ~y; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000), |fmax_float_#t~ite4|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] #res := #t~ite4;havoc #t~ite4; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000), |fmax_float_#res|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] assume true; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000), |fmax_float_#res|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] RET #92#return; VAL [main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |main_#t~ret7|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] ~res~0 := #t~ret7;havoc #t~ret7;#t~short9 := ~fp.eq~FLOAT(~res~0, ~Pluszero~FLOAT()); VAL [main_~res~0=(fp #b1 #b00000000 #b00000000000000000000000), main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |main_#t~short9|=true] [?] assume #t~short9; VAL [main_~res~0=(fp #b1 #b00000000 #b00000000000000000000000), main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |main_#t~short9|=true] [?] CALL call #t~ret8 := __signbit_float(~res~0); VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__signbit_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] ~x := #in~x;havoc ~w~1; VAL [__signbit_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__signbit_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4bv32);call write~intFLOATTYPE4(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4bv32);call #t~mem5 := read~intINTTYPE4(~#gf_u~1.base, ~#gf_u~1.offset, 4bv32);~w~1 := #t~mem5;call write~intFLOATTYPE4(#t~union6, ~#gf_u~1.base, ~#gf_u~1.offset, 4bv32);havoc #t~mem5;havoc #t~union6;call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset);havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [__signbit_float_~w~1=(_ bv2147483648 32), __signbit_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__signbit_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] goto; VAL [__signbit_float_~w~1=(_ bv2147483648 32), __signbit_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__signbit_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] #res := (if 0bv32 != ~bvand32(2147483648bv32, ~w~1) then 1bv32 else 0bv32); VAL [__signbit_float_~w~1=(_ bv2147483648 32), __signbit_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__signbit_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000), |__signbit_float_#res|=(_ bv1 32)] [?] assume true; VAL [__signbit_float_~w~1=(_ bv2147483648 32), __signbit_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__signbit_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000), |__signbit_float_#res|=(_ bv1 32)] [?] RET #94#return; VAL [main_~res~0=(fp #b1 #b00000000 #b00000000000000000000000), main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |main_#t~ret8|=(_ bv1 32), |main_#t~short9|=true] [?] #t~short9 := 0bv32 == #t~ret8; VAL [main_~res~0=(fp #b1 #b00000000 #b00000000000000000000000), main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |main_#t~ret8|=(_ bv1 32), |main_#t~short9|=false] [?] assume !#t~short9;havoc #t~short9;havoc #t~ret8; VAL [main_~res~0=(fp #b1 #b00000000 #b00000000000000000000000), main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32)] [?] assume !false; VAL [main_~res~0=(fp #b1 #b00000000 #b00000000000000000000000), main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32)] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=5bv32, #NULL.offset=3bv32, old(#NULL.base)=5bv32, old(#NULL.offset)=3bv32] [?] #NULL.base, #NULL.offset := 0bv32, 0bv32; [?] #valid := #valid[0bv32 := 0bv1]; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, old(#NULL.base)=5bv32, old(#NULL.offset)=3bv32] [?] ensures true; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, old(#NULL.base)=5bv32, old(#NULL.offset)=3bv32] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0bv32, #NULL.offset=0bv32] [?] CALL call #t~ret10 := main(); VAL [#NULL.base=0bv32, #NULL.offset=0bv32] [L73] ~x~0 := ~Pluszero~FLOAT(); [L74] ~y~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT()); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L24] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4bv32); [L25] call write~intFLOATTYPE4(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] call #t~mem0 := read~intINTTYPE4(~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] ~w~0 := #t~mem0; [L26] call write~intFLOATTYPE4(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L24] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L29-L40] assume 0bv32 == ~w~0 || 2147483648bv32 == ~w~0; [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L20-L41] ensures true; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #t~ret2=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44-L46] assume !(0bv32 == #t~ret2); [L44] havoc #t~ret2; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] CALL call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L24] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4bv32); [L25] call write~intFLOATTYPE4(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] call #t~mem0 := read~intINTTYPE4(~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] ~w~0 := #t~mem0; [L26] call write~intFLOATTYPE4(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L24] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L29-L40] assume 0bv32 == ~w~0 || 2147483648bv32 == ~w~0; [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L20-L41] ensures true; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] RET call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #t~ret3=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48-L50] assume !(0bv32 == #t~ret3); [L48] havoc #t~ret3; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] assume !~fp.gt~FLOAT(~x, ~y); [L51] #t~ite4 := ~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #t~ite4=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] #res := #t~ite4; [L51] havoc #t~ite4; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L43-L52] ensures true; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~ret7=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~fp.eq~FLOAT(~res~0, ~Pluszero~FLOAT()); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] assume #t~short9; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] CALL call #t~ret8 := __signbit_float(~res~0); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L54-L64] ~x := #in~x; [L55] havoc ~w~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L58] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4bv32); [L59] call write~intFLOATTYPE4(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4bv32); [L60] call #t~mem5 := read~intINTTYPE4(~#gf_u~1.base, ~#gf_u~1.offset, 4bv32); [L60] ~w~1 := #t~mem5; [L60] call write~intFLOATTYPE4(#t~union6, ~#gf_u~1.base, ~#gf_u~1.offset, 4bv32); [L60] havoc #t~mem5; [L60] havoc #t~union6; [L58] call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset); [L58] havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L63] #res := (if 0bv32 != ~bvand32(2147483648bv32, ~w~1) then 1bv32 else 0bv32); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L54-L64] ensures true; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] RET call #t~ret8 := __signbit_float(~res~0); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~ret8=1bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] #t~short9 := 0bv32 == #t~ret8; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~ret8=1bv32, #t~short9=false, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78-L81] assume !#t~short9; [L78] havoc #t~short9; [L78] havoc #t~ret8; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L79] assert false; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=5bv32, #NULL.offset=3bv32, old(#NULL.base)=5bv32, old(#NULL.offset)=3bv32] [?] #NULL.base, #NULL.offset := 0bv32, 0bv32; [?] #valid := #valid[0bv32 := 0bv1]; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, old(#NULL.base)=5bv32, old(#NULL.offset)=3bv32] [?] ensures true; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, old(#NULL.base)=5bv32, old(#NULL.offset)=3bv32] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0bv32, #NULL.offset=0bv32] [?] CALL call #t~ret10 := main(); VAL [#NULL.base=0bv32, #NULL.offset=0bv32] [L73] ~x~0 := ~Pluszero~FLOAT(); [L74] ~y~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT()); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L24] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4bv32); [L25] call write~intFLOATTYPE4(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] call #t~mem0 := read~intINTTYPE4(~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] ~w~0 := #t~mem0; [L26] call write~intFLOATTYPE4(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L24] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L29-L40] assume 0bv32 == ~w~0 || 2147483648bv32 == ~w~0; [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L20-L41] ensures true; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #t~ret2=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44-L46] assume !(0bv32 == #t~ret2); [L44] havoc #t~ret2; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] CALL call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L24] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4bv32); [L25] call write~intFLOATTYPE4(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] call #t~mem0 := read~intINTTYPE4(~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] ~w~0 := #t~mem0; [L26] call write~intFLOATTYPE4(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L24] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L29-L40] assume 0bv32 == ~w~0 || 2147483648bv32 == ~w~0; [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L20-L41] ensures true; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] RET call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #t~ret3=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48-L50] assume !(0bv32 == #t~ret3); [L48] havoc #t~ret3; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] assume !~fp.gt~FLOAT(~x, ~y); [L51] #t~ite4 := ~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #t~ite4=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] #res := #t~ite4; [L51] havoc #t~ite4; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L43-L52] ensures true; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~ret7=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~fp.eq~FLOAT(~res~0, ~Pluszero~FLOAT()); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] assume #t~short9; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] CALL call #t~ret8 := __signbit_float(~res~0); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L54-L64] ~x := #in~x; [L55] havoc ~w~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L58] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4bv32); [L59] call write~intFLOATTYPE4(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4bv32); [L60] call #t~mem5 := read~intINTTYPE4(~#gf_u~1.base, ~#gf_u~1.offset, 4bv32); [L60] ~w~1 := #t~mem5; [L60] call write~intFLOATTYPE4(#t~union6, ~#gf_u~1.base, ~#gf_u~1.offset, 4bv32); [L60] havoc #t~mem5; [L60] havoc #t~union6; [L58] call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset); [L58] havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L63] #res := (if 0bv32 != ~bvand32(2147483648bv32, ~w~1) then 1bv32 else 0bv32); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L54-L64] ensures true; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] RET call #t~ret8 := __signbit_float(~res~0); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~ret8=1bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] #t~short9 := 0bv32 == #t~ret8; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~ret8=1bv32, #t~short9=false, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78-L81] assume !#t~short9; [L78] havoc #t~short9; [L78] havoc #t~ret8; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L79] assert false; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=5bv32, #NULL!offset=3bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] #NULL := { base: 0bv32, offset: 0bv32 }; [?] #valid[0bv32] := 0bv1; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [L73] ~x~0 := ~Pluszero~FLOAT(); [L74] ~y~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret2=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] COND FALSE !(0bv32 == #t~ret2) [L44] havoc #t~ret2; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] CALL call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] RET call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret3=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] COND FALSE !(0bv32 == #t~ret3) [L48] havoc #t~ret3; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] COND FALSE !(~fp.gt~FLOAT(~x, ~y)) [L51] #t~ite4 := ~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ite4=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] #res := #t~ite4; [L51] havoc #t~ite4; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret7=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~fp.eq~FLOAT(~res~0, ~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE #t~short9 VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] CALL call #t~ret8 := __signbit_float(~res~0); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L54-L64] ~x := #in~x; [L55] havoc ~w~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L58] FCALL call ~#gf_u~1 := #Ultimate.alloc(4bv32); [L59] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] FCALL call #t~mem5 := read~intINTTYPE4({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] ~w~1 := #t~mem5; [L60] FCALL call write~intFLOATTYPE4(#t~union6, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] havoc #t~mem5; [L60] havoc #t~union6; [L58] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L58] havoc ~#gf_u~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L63] #res := (if 0bv32 != ~bvand32(2147483648bv32, ~w~1) then 1bv32 else 0bv32); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] RET call #t~ret8 := __signbit_float(~res~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] #t~short9 := 0bv32 == #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=false, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE !#t~short9 [L78] havoc #t~short9; [L78] havoc #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L79] assert false; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=5bv32, #NULL!offset=3bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] #NULL := { base: 0bv32, offset: 0bv32 }; [?] #valid[0bv32] := 0bv1; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [L73] ~x~0 := ~Pluszero~FLOAT(); [L74] ~y~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret2=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] COND FALSE !(0bv32 == #t~ret2) [L44] havoc #t~ret2; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] CALL call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] RET call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret3=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] COND FALSE !(0bv32 == #t~ret3) [L48] havoc #t~ret3; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] COND FALSE !(~fp.gt~FLOAT(~x, ~y)) [L51] #t~ite4 := ~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ite4=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] #res := #t~ite4; [L51] havoc #t~ite4; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret7=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~fp.eq~FLOAT(~res~0, ~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE #t~short9 VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] CALL call #t~ret8 := __signbit_float(~res~0); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L54-L64] ~x := #in~x; [L55] havoc ~w~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L58] FCALL call ~#gf_u~1 := #Ultimate.alloc(4bv32); [L59] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] FCALL call #t~mem5 := read~intINTTYPE4({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] ~w~1 := #t~mem5; [L60] FCALL call write~intFLOATTYPE4(#t~union6, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] havoc #t~mem5; [L60] havoc #t~union6; [L58] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L58] havoc ~#gf_u~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L63] #res := (if 0bv32 != ~bvand32(2147483648bv32, ~w~1) then 1bv32 else 0bv32); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] RET call #t~ret8 := __signbit_float(~res~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] #t~short9 := 0bv32 == #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=false, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE !#t~short9 [L78] havoc #t~short9; [L78] havoc #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L79] assert false; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=5bv32, #NULL!offset=3bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] #NULL := { base: 0bv32, offset: 0bv32 }; [?] #valid[0bv32] := 0bv1; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [L73] ~x~0 := ~Pluszero~FLOAT(); [L74] ~y~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret2=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] COND FALSE !(0bv32 == #t~ret2) [L44] havoc #t~ret2; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] CALL call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] RET call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret3=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] COND FALSE !(0bv32 == #t~ret3) [L48] havoc #t~ret3; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] COND FALSE !(~fp.gt~FLOAT(~x, ~y)) [L51] #t~ite4 := ~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ite4=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] #res := #t~ite4; [L51] havoc #t~ite4; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret7=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~fp.eq~FLOAT(~res~0, ~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE #t~short9 VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] CALL call #t~ret8 := __signbit_float(~res~0); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L54-L64] ~x := #in~x; [L55] havoc ~w~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L58] FCALL call ~#gf_u~1 := #Ultimate.alloc(4bv32); [L59] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] FCALL call #t~mem5 := read~intINTTYPE4({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] ~w~1 := #t~mem5; [L60] FCALL call write~intFLOATTYPE4(#t~union6, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] havoc #t~mem5; [L60] havoc #t~union6; [L58] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L58] havoc ~#gf_u~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L63] #res := (if 0bv32 != ~bvand32(2147483648bv32, ~w~1) then 1bv32 else 0bv32); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] RET call #t~ret8 := __signbit_float(~res~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] #t~short9 := 0bv32 == #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=false, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE !#t~short9 [L78] havoc #t~short9; [L78] havoc #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L79] assert false; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=5bv32, #NULL!offset=3bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] #NULL := { base: 0bv32, offset: 0bv32 }; [?] #valid[0bv32] := 0bv1; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [L73] ~x~0 := ~Pluszero~FLOAT(); [L74] ~y~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret2=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] COND FALSE !(0bv32 == #t~ret2) [L44] havoc #t~ret2; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] CALL call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] RET call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret3=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] COND FALSE !(0bv32 == #t~ret3) [L48] havoc #t~ret3; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] COND FALSE !(~fp.gt~FLOAT(~x, ~y)) [L51] #t~ite4 := ~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ite4=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] #res := #t~ite4; [L51] havoc #t~ite4; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret7=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~fp.eq~FLOAT(~res~0, ~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE #t~short9 VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] CALL call #t~ret8 := __signbit_float(~res~0); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L54-L64] ~x := #in~x; [L55] havoc ~w~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L58] FCALL call ~#gf_u~1 := #Ultimate.alloc(4bv32); [L59] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] FCALL call #t~mem5 := read~intINTTYPE4({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] ~w~1 := #t~mem5; [L60] FCALL call write~intFLOATTYPE4(#t~union6, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] havoc #t~mem5; [L60] havoc #t~union6; [L58] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L58] havoc ~#gf_u~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L63] #res := (if 0bv32 != ~bvand32(2147483648bv32, ~w~1) then 1bv32 else 0bv32); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] RET call #t~ret8 := __signbit_float(~res~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] #t~short9 := 0bv32 == #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=false, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE !#t~short9 [L78] havoc #t~short9; [L78] havoc #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L79] assert false; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L73] float x = 0.0f; [L74] float y = -0.0f; VAL [x=0.0, y=0.0] [L75] CALL, EXPR fmax_float(x, y) VAL [\old(x)=0.0, \old(y)=0.0] [L44] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0.0] [L21] __uint32_t w; VAL [\old(x)=0.0, x=0.0] [L24] ieee_float_shape_type gf_u; [L25] gf_u.value = (x) [L26] EXPR gf_u.word [L26] (w) = gf_u.word [L29] COND TRUE w == 0x00000000 || w == 0x80000000 [L30] return 2; VAL [\old(x)=0.0, \result=2, w=0, x=0.0] [L44] RET, EXPR __fpclassify_float(x) VAL [\old(x)=0.0, \old(y)=0.0, __fpclassify_float(x)=2, x=0.0, y=0.0] [L44] COND FALSE !(__fpclassify_float(x) == 0) [L48] CALL, EXPR __fpclassify_float(y) VAL [\old(x)=0.0] [L21] __uint32_t w; VAL [\old(x)=0.0, x=0.0] [L24] ieee_float_shape_type gf_u; [L25] gf_u.value = (x) [L26] EXPR gf_u.word [L26] (w) = gf_u.word [L29] COND TRUE w == 0x00000000 || w == 0x80000000 [L30] return 2; VAL [\old(x)=0.0, \result=2, w=2147483648, x=0.0] [L48] RET, EXPR __fpclassify_float(y) VAL [\old(x)=0.0, \old(y)=0.0, __fpclassify_float(y)=2, x=0.0, y=0.0] [L48] COND FALSE !(__fpclassify_float(y) == 0) [L51] EXPR x > y ? x : y VAL [\old(x)=0.0, \old(y)=0.0, x=0.0, x > y ? x : y=0.0, y=0.0] [L51] return x > y ? x : y; [L75] RET, EXPR fmax_float(x, y) VAL [fmax_float(x, y)=0.0, x=0.0, y=0.0] [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=0.0, res == 0.0f && __signbit_float(res) == 0=1, x=0.0, y=0.0] [L78] CALL, EXPR __signbit_float(res) VAL [\old(x)=0.0] [L55] __uint32_t w; VAL [\old(x)=0.0, x=0.0] [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (w) = gf_u.word [L63] return (w & 0x80000000) != 0; VAL [\old(x)=0.0, \result=1, w=2147483648, x=0.0] [L78] RET, EXPR __signbit_float(res) VAL [__signbit_float(res)=1, res=0.0, res == 0.0f && __signbit_float(res) == 0=1, x=0.0, y=0.0] [L78] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [__signbit_float(res)=1, res=0.0, res == 0.0f && __signbit_float(res) == 0=0, x=0.0, y=0.0] [L78] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L79] __VERIFIER_error() VAL [res=0.0, x=0.0, y=0.0] ----- [2018-11-23 07:20:33,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:20:33 BoogieIcfgContainer [2018-11-23 07:20:33,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:20:33,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:20:33,508 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:20:33,508 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:20:33,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:20:31" (3/4) ... [2018-11-23 07:20:33,511 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=(_ bv5 32), |#NULL.offset|=(_ bv3 32), |old(#NULL.base)|=(_ bv5 32), |old(#NULL.offset)|=(_ bv3 32)] [?] #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |old(#NULL.base)|=(_ bv5 32), |old(#NULL.offset)|=(_ bv3 32)] [?] assume true; VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |old(#NULL.base)|=(_ bv5 32), |old(#NULL.offset)|=(_ bv3 32)] [?] RET #88#return; VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32)] [?] CALL call #t~ret10 := main(); VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32)] [?] ~x~0 := ~Pluszero~FLOAT();~y~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT()); VAL [main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32)] [?] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] ~x := #in~x;~y := #in~y; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] CALL call #t~ret2 := __fpclassify_float(~x); VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000)] [?] ~x := #in~x;havoc ~w~0; VAL [__fpclassify_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000)] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4bv32);call write~intFLOATTYPE4(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32);call #t~mem0 := read~intINTTYPE4(~#gf_u~0.base, ~#gf_u~0.offset, 4bv32);~w~0 := #t~mem0;call write~intFLOATTYPE4(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32);havoc #t~union1;havoc #t~mem0;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [__fpclassify_float_~w~0=(_ bv0 32), __fpclassify_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000)] [?] goto; VAL [__fpclassify_float_~w~0=(_ bv0 32), __fpclassify_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000)] [?] assume 0bv32 == ~w~0 || 2147483648bv32 == ~w~0;#res := 2bv32; VAL [__fpclassify_float_~w~0=(_ bv0 32), __fpclassify_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |__fpclassify_float_#res|=(_ bv2 32)] [?] assume true; VAL [__fpclassify_float_~w~0=(_ bv0 32), __fpclassify_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |__fpclassify_float_#res|=(_ bv2 32)] [?] RET #96#return; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000), |fmax_float_#t~ret2|=(_ bv2 32)] [?] assume !(0bv32 == #t~ret2);havoc #t~ret2; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] CALL call #t~ret3 := __fpclassify_float(~y); VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] ~x := #in~x;havoc ~w~0; VAL [__fpclassify_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4bv32);call write~intFLOATTYPE4(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32);call #t~mem0 := read~intINTTYPE4(~#gf_u~0.base, ~#gf_u~0.offset, 4bv32);~w~0 := #t~mem0;call write~intFLOATTYPE4(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32);havoc #t~union1;havoc #t~mem0;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [__fpclassify_float_~w~0=(_ bv2147483648 32), __fpclassify_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] goto; VAL [__fpclassify_float_~w~0=(_ bv2147483648 32), __fpclassify_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] assume 0bv32 == ~w~0 || 2147483648bv32 == ~w~0;#res := 2bv32; VAL [__fpclassify_float_~w~0=(_ bv2147483648 32), __fpclassify_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000), |__fpclassify_float_#res|=(_ bv2 32)] [?] assume true; VAL [__fpclassify_float_~w~0=(_ bv2147483648 32), __fpclassify_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__fpclassify_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000), |__fpclassify_float_#res|=(_ bv2 32)] [?] RET #98#return; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000), |fmax_float_#t~ret3|=(_ bv2 32)] [?] assume !(0bv32 == #t~ret3);havoc #t~ret3; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] assume !~fp.gt~FLOAT(~x, ~y);#t~ite4 := ~y; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000), |fmax_float_#t~ite4|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] #res := #t~ite4;havoc #t~ite4; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000), |fmax_float_#res|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] assume true; VAL [fmax_float_~x=(fp #b0 #b00000000 #b00000000000000000000000), fmax_float_~y=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |fmax_float_#in~x|=(fp #b0 #b00000000 #b00000000000000000000000), |fmax_float_#in~y|=(fp #b1 #b00000000 #b00000000000000000000000), |fmax_float_#res|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] RET #92#return; VAL [main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |main_#t~ret7|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] ~res~0 := #t~ret7;havoc #t~ret7;#t~short9 := ~fp.eq~FLOAT(~res~0, ~Pluszero~FLOAT()); VAL [main_~res~0=(fp #b1 #b00000000 #b00000000000000000000000), main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |main_#t~short9|=true] [?] assume #t~short9; VAL [main_~res~0=(fp #b1 #b00000000 #b00000000000000000000000), main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |main_#t~short9|=true] [?] CALL call #t~ret8 := __signbit_float(~res~0); VAL [|#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__signbit_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] ~x := #in~x;havoc ~w~1; VAL [__signbit_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__signbit_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4bv32);call write~intFLOATTYPE4(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4bv32);call #t~mem5 := read~intINTTYPE4(~#gf_u~1.base, ~#gf_u~1.offset, 4bv32);~w~1 := #t~mem5;call write~intFLOATTYPE4(#t~union6, ~#gf_u~1.base, ~#gf_u~1.offset, 4bv32);havoc #t~mem5;havoc #t~union6;call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset);havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [__signbit_float_~w~1=(_ bv2147483648 32), __signbit_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__signbit_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] goto; VAL [__signbit_float_~w~1=(_ bv2147483648 32), __signbit_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__signbit_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000)] [?] #res := (if 0bv32 != ~bvand32(2147483648bv32, ~w~1) then 1bv32 else 0bv32); VAL [__signbit_float_~w~1=(_ bv2147483648 32), __signbit_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__signbit_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000), |__signbit_float_#res|=(_ bv1 32)] [?] assume true; VAL [__signbit_float_~w~1=(_ bv2147483648 32), __signbit_float_~x=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |__signbit_float_#in~x|=(fp #b1 #b00000000 #b00000000000000000000000), |__signbit_float_#res|=(_ bv1 32)] [?] RET #94#return; VAL [main_~res~0=(fp #b1 #b00000000 #b00000000000000000000000), main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |main_#t~ret8|=(_ bv1 32), |main_#t~short9|=true] [?] #t~short9 := 0bv32 == #t~ret8; VAL [main_~res~0=(fp #b1 #b00000000 #b00000000000000000000000), main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32), |main_#t~ret8|=(_ bv1 32), |main_#t~short9|=false] [?] assume !#t~short9;havoc #t~short9;havoc #t~ret8; VAL [main_~res~0=(fp #b1 #b00000000 #b00000000000000000000000), main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32)] [?] assume !false; VAL [main_~res~0=(fp #b1 #b00000000 #b00000000000000000000000), main_~x~0=(fp #b0 #b00000000 #b00000000000000000000000), main_~y~0=(fp #b1 #b00000000 #b00000000000000000000000), |#NULL.base|=(_ bv0 32), |#NULL.offset|=(_ bv0 32)] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=5bv32, #NULL.offset=3bv32, old(#NULL.base)=5bv32, old(#NULL.offset)=3bv32] [?] #NULL.base, #NULL.offset := 0bv32, 0bv32; [?] #valid := #valid[0bv32 := 0bv1]; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, old(#NULL.base)=5bv32, old(#NULL.offset)=3bv32] [?] ensures true; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, old(#NULL.base)=5bv32, old(#NULL.offset)=3bv32] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0bv32, #NULL.offset=0bv32] [?] CALL call #t~ret10 := main(); VAL [#NULL.base=0bv32, #NULL.offset=0bv32] [L73] ~x~0 := ~Pluszero~FLOAT(); [L74] ~y~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT()); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L24] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4bv32); [L25] call write~intFLOATTYPE4(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] call #t~mem0 := read~intINTTYPE4(~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] ~w~0 := #t~mem0; [L26] call write~intFLOATTYPE4(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L24] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L29-L40] assume 0bv32 == ~w~0 || 2147483648bv32 == ~w~0; [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L20-L41] ensures true; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #t~ret2=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44-L46] assume !(0bv32 == #t~ret2); [L44] havoc #t~ret2; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] CALL call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L24] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4bv32); [L25] call write~intFLOATTYPE4(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] call #t~mem0 := read~intINTTYPE4(~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] ~w~0 := #t~mem0; [L26] call write~intFLOATTYPE4(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L24] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L29-L40] assume 0bv32 == ~w~0 || 2147483648bv32 == ~w~0; [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L20-L41] ensures true; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] RET call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #t~ret3=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48-L50] assume !(0bv32 == #t~ret3); [L48] havoc #t~ret3; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] assume !~fp.gt~FLOAT(~x, ~y); [L51] #t~ite4 := ~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #t~ite4=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] #res := #t~ite4; [L51] havoc #t~ite4; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L43-L52] ensures true; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~ret7=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~fp.eq~FLOAT(~res~0, ~Pluszero~FLOAT()); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] assume #t~short9; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] CALL call #t~ret8 := __signbit_float(~res~0); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L54-L64] ~x := #in~x; [L55] havoc ~w~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L58] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4bv32); [L59] call write~intFLOATTYPE4(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4bv32); [L60] call #t~mem5 := read~intINTTYPE4(~#gf_u~1.base, ~#gf_u~1.offset, 4bv32); [L60] ~w~1 := #t~mem5; [L60] call write~intFLOATTYPE4(#t~union6, ~#gf_u~1.base, ~#gf_u~1.offset, 4bv32); [L60] havoc #t~mem5; [L60] havoc #t~union6; [L58] call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset); [L58] havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L63] #res := (if 0bv32 != ~bvand32(2147483648bv32, ~w~1) then 1bv32 else 0bv32); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L54-L64] ensures true; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] RET call #t~ret8 := __signbit_float(~res~0); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~ret8=1bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] #t~short9 := 0bv32 == #t~ret8; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~ret8=1bv32, #t~short9=false, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78-L81] assume !#t~short9; [L78] havoc #t~short9; [L78] havoc #t~ret8; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L79] assert false; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=5bv32, #NULL.offset=3bv32, old(#NULL.base)=5bv32, old(#NULL.offset)=3bv32] [?] #NULL.base, #NULL.offset := 0bv32, 0bv32; [?] #valid := #valid[0bv32 := 0bv1]; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, old(#NULL.base)=5bv32, old(#NULL.offset)=3bv32] [?] ensures true; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, old(#NULL.base)=5bv32, old(#NULL.offset)=3bv32] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0bv32, #NULL.offset=0bv32] [?] CALL call #t~ret10 := main(); VAL [#NULL.base=0bv32, #NULL.offset=0bv32] [L73] ~x~0 := ~Pluszero~FLOAT(); [L74] ~y~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT()); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L24] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4bv32); [L25] call write~intFLOATTYPE4(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] call #t~mem0 := read~intINTTYPE4(~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] ~w~0 := #t~mem0; [L26] call write~intFLOATTYPE4(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L24] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L29-L40] assume 0bv32 == ~w~0 || 2147483648bv32 == ~w~0; [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L20-L41] ensures true; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #t~ret2=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44-L46] assume !(0bv32 == #t~ret2); [L44] havoc #t~ret2; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] CALL call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L24] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4bv32); [L25] call write~intFLOATTYPE4(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] call #t~mem0 := read~intINTTYPE4(~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] ~w~0 := #t~mem0; [L26] call write~intFLOATTYPE4(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L24] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L29-L40] assume 0bv32 == ~w~0 || 2147483648bv32 == ~w~0; [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L20-L41] ensures true; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] RET call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #t~ret3=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48-L50] assume !(0bv32 == #t~ret3); [L48] havoc #t~ret3; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] assume !~fp.gt~FLOAT(~x, ~y); [L51] #t~ite4 := ~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #t~ite4=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] #res := #t~ite4; [L51] havoc #t~ite4; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L43-L52] ensures true; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~ret7=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~fp.eq~FLOAT(~res~0, ~Pluszero~FLOAT()); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] assume #t~short9; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] CALL call #t~ret8 := __signbit_float(~res~0); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32] [L54-L64] ~x := #in~x; [L55] havoc ~w~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L58] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4bv32); [L59] call write~intFLOATTYPE4(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4bv32); [L60] call #t~mem5 := read~intINTTYPE4(~#gf_u~1.base, ~#gf_u~1.offset, 4bv32); [L60] ~w~1 := #t~mem5; [L60] call write~intFLOATTYPE4(#t~union6, ~#gf_u~1.base, ~#gf_u~1.offset, 4bv32); [L60] havoc #t~mem5; [L60] havoc #t~union6; [L58] call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset); [L58] havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L63] #res := (if 0bv32 != ~bvand32(2147483648bv32, ~w~1) then 1bv32 else 0bv32); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L54-L64] ensures true; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL.base=0bv32, #NULL.offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] RET call #t~ret8 := __signbit_float(~res~0); VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~ret8=1bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] #t~short9 := 0bv32 == #t~ret8; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, #t~ret8=1bv32, #t~short9=false, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78-L81] assume !#t~short9; [L78] havoc #t~short9; [L78] havoc #t~ret8; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L79] assert false; VAL [#NULL.base=0bv32, #NULL.offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=5bv32, #NULL!offset=3bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] #NULL := { base: 0bv32, offset: 0bv32 }; [?] #valid[0bv32] := 0bv1; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [L73] ~x~0 := ~Pluszero~FLOAT(); [L74] ~y~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret2=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] COND FALSE !(0bv32 == #t~ret2) [L44] havoc #t~ret2; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] CALL call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] RET call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret3=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] COND FALSE !(0bv32 == #t~ret3) [L48] havoc #t~ret3; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] COND FALSE !(~fp.gt~FLOAT(~x, ~y)) [L51] #t~ite4 := ~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ite4=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] #res := #t~ite4; [L51] havoc #t~ite4; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret7=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~fp.eq~FLOAT(~res~0, ~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE #t~short9 VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] CALL call #t~ret8 := __signbit_float(~res~0); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L54-L64] ~x := #in~x; [L55] havoc ~w~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L58] FCALL call ~#gf_u~1 := #Ultimate.alloc(4bv32); [L59] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] FCALL call #t~mem5 := read~intINTTYPE4({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] ~w~1 := #t~mem5; [L60] FCALL call write~intFLOATTYPE4(#t~union6, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] havoc #t~mem5; [L60] havoc #t~union6; [L58] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L58] havoc ~#gf_u~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L63] #res := (if 0bv32 != ~bvand32(2147483648bv32, ~w~1) then 1bv32 else 0bv32); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] RET call #t~ret8 := __signbit_float(~res~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] #t~short9 := 0bv32 == #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=false, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE !#t~short9 [L78] havoc #t~short9; [L78] havoc #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L79] assert false; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=5bv32, #NULL!offset=3bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] #NULL := { base: 0bv32, offset: 0bv32 }; [?] #valid[0bv32] := 0bv1; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [L73] ~x~0 := ~Pluszero~FLOAT(); [L74] ~y~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret2=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] COND FALSE !(0bv32 == #t~ret2) [L44] havoc #t~ret2; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] CALL call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] RET call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret3=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] COND FALSE !(0bv32 == #t~ret3) [L48] havoc #t~ret3; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] COND FALSE !(~fp.gt~FLOAT(~x, ~y)) [L51] #t~ite4 := ~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ite4=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] #res := #t~ite4; [L51] havoc #t~ite4; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret7=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~fp.eq~FLOAT(~res~0, ~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE #t~short9 VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] CALL call #t~ret8 := __signbit_float(~res~0); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L54-L64] ~x := #in~x; [L55] havoc ~w~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L58] FCALL call ~#gf_u~1 := #Ultimate.alloc(4bv32); [L59] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] FCALL call #t~mem5 := read~intINTTYPE4({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] ~w~1 := #t~mem5; [L60] FCALL call write~intFLOATTYPE4(#t~union6, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] havoc #t~mem5; [L60] havoc #t~union6; [L58] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L58] havoc ~#gf_u~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L63] #res := (if 0bv32 != ~bvand32(2147483648bv32, ~w~1) then 1bv32 else 0bv32); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] RET call #t~ret8 := __signbit_float(~res~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] #t~short9 := 0bv32 == #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=false, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE !#t~short9 [L78] havoc #t~short9; [L78] havoc #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L79] assert false; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=5bv32, #NULL!offset=3bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] #NULL := { base: 0bv32, offset: 0bv32 }; [?] #valid[0bv32] := 0bv1; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [L73] ~x~0 := ~Pluszero~FLOAT(); [L74] ~y~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret2=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] COND FALSE !(0bv32 == #t~ret2) [L44] havoc #t~ret2; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] CALL call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] RET call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret3=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] COND FALSE !(0bv32 == #t~ret3) [L48] havoc #t~ret3; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] COND FALSE !(~fp.gt~FLOAT(~x, ~y)) [L51] #t~ite4 := ~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ite4=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] #res := #t~ite4; [L51] havoc #t~ite4; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret7=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~fp.eq~FLOAT(~res~0, ~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE #t~short9 VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] CALL call #t~ret8 := __signbit_float(~res~0); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L54-L64] ~x := #in~x; [L55] havoc ~w~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L58] FCALL call ~#gf_u~1 := #Ultimate.alloc(4bv32); [L59] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] FCALL call #t~mem5 := read~intINTTYPE4({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] ~w~1 := #t~mem5; [L60] FCALL call write~intFLOATTYPE4(#t~union6, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] havoc #t~mem5; [L60] havoc #t~union6; [L58] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L58] havoc ~#gf_u~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L63] #res := (if 0bv32 != ~bvand32(2147483648bv32, ~w~1) then 1bv32 else 0bv32); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] RET call #t~ret8 := __signbit_float(~res~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] #t~short9 := 0bv32 == #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=false, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE !#t~short9 [L78] havoc #t~short9; [L78] havoc #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L79] assert false; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=5bv32, #NULL!offset=3bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] #NULL := { base: 0bv32, offset: 0bv32 }; [?] #valid[0bv32] := 0bv1; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, old(#NULL!base)=5bv32, old(#NULL!offset)=3bv32] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0bv32, #NULL!offset=0bv32] [L73] ~x~0 := ~Pluszero~FLOAT(); [L74] ~y~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] CALL call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L43-L52] ~x := #in~x; [L43-L52] ~y := #in~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)] [L44] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret2=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L44] COND FALSE !(0bv32 == #t~ret2) [L44] havoc #t~ret2; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] CALL call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L20-L41] ~x := #in~x; [L21] havoc ~w~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L24] FCALL call ~#gf_u~0 := #Ultimate.alloc(4bv32); [L25] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] FCALL call #t~mem0 := read~intINTTYPE4({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] ~w~0 := #t~mem0; [L26] FCALL call write~intFLOATTYPE4(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4bv32); [L26] havoc #t~union1; [L26] havoc #t~mem0; [L24] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L24] havoc ~#gf_u~0; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L29] COND TRUE 0bv32 == ~w~0 || 2147483648bv32 == ~w~0 [L30] #res := 2bv32; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=2bv32, ~w~0=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] RET call #t~ret3 := __fpclassify_float(~y); VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ret3=2bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L48] COND FALSE !(0bv32 == #t~ret3) [L48] havoc #t~ret3; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] COND FALSE !(~fp.gt~FLOAT(~x, ~y)) [L51] #t~ite4 := ~y; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #t~ite4=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L51] #res := #t~ite4; [L51] havoc #t~ite4; VAL [#in~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), #in~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] RET call #t~ret7 := fmax_float(~x~0, ~y~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret7=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~fp.eq~FLOAT(~res~0, ~Pluszero~FLOAT()); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE #t~short9 VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] CALL call #t~ret8 := __signbit_float(~res~0); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32] [L54-L64] ~x := #in~x; [L55] havoc ~w~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L58] FCALL call ~#gf_u~1 := #Ultimate.alloc(4bv32); [L59] FCALL call write~intFLOATTYPE4(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] FCALL call #t~mem5 := read~intINTTYPE4({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] ~w~1 := #t~mem5; [L60] FCALL call write~intFLOATTYPE4(#t~union6, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4bv32); [L60] havoc #t~mem5; [L60] havoc #t~union6; [L58] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L58] havoc ~#gf_u~1; VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L63] #res := (if 0bv32 != ~bvand32(2147483648bv32, ~w~1) then 1bv32 else 0bv32); VAL [#in~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), #NULL!base=0bv32, #NULL!offset=0bv32, #res=1bv32, ~w~1=2147483648bv32, ~x=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] RET call #t~ret8 := __signbit_float(~res~0); VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=true, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] #t~short9 := 0bv32 == #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, #t~ret8=1bv32, #t~short9=false, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L78] COND TRUE !#t~short9 [L78] havoc #t~short9; [L78] havoc #t~ret8; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L79] assert false; VAL [#NULL!base=0bv32, #NULL!offset=0bv32, ~res~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23), ~y~0=~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)] [L73] float x = 0.0f; [L74] float y = -0.0f; VAL [x=0.0, y=0.0] [L75] CALL, EXPR fmax_float(x, y) VAL [\old(x)=0.0, \old(y)=0.0] [L44] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0.0] [L21] __uint32_t w; VAL [\old(x)=0.0, x=0.0] [L24] ieee_float_shape_type gf_u; [L25] gf_u.value = (x) [L26] EXPR gf_u.word [L26] (w) = gf_u.word [L29] COND TRUE w == 0x00000000 || w == 0x80000000 [L30] return 2; VAL [\old(x)=0.0, \result=2, w=0, x=0.0] [L44] RET, EXPR __fpclassify_float(x) VAL [\old(x)=0.0, \old(y)=0.0, __fpclassify_float(x)=2, x=0.0, y=0.0] [L44] COND FALSE !(__fpclassify_float(x) == 0) [L48] CALL, EXPR __fpclassify_float(y) VAL [\old(x)=0.0] [L21] __uint32_t w; VAL [\old(x)=0.0, x=0.0] [L24] ieee_float_shape_type gf_u; [L25] gf_u.value = (x) [L26] EXPR gf_u.word [L26] (w) = gf_u.word [L29] COND TRUE w == 0x00000000 || w == 0x80000000 [L30] return 2; VAL [\old(x)=0.0, \result=2, w=2147483648, x=0.0] [L48] RET, EXPR __fpclassify_float(y) VAL [\old(x)=0.0, \old(y)=0.0, __fpclassify_float(y)=2, x=0.0, y=0.0] [L48] COND FALSE !(__fpclassify_float(y) == 0) [L51] EXPR x > y ? x : y VAL [\old(x)=0.0, \old(y)=0.0, x=0.0, x > y ? x : y=0.0, y=0.0] [L51] return x > y ? x : y; [L75] RET, EXPR fmax_float(x, y) VAL [fmax_float(x, y)=0.0, x=0.0, y=0.0] [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=0.0, res == 0.0f && __signbit_float(res) == 0=1, x=0.0, y=0.0] [L78] CALL, EXPR __signbit_float(res) VAL [\old(x)=0.0] [L55] __uint32_t w; VAL [\old(x)=0.0, x=0.0] [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (w) = gf_u.word [L63] return (w & 0x80000000) != 0; VAL [\old(x)=0.0, \result=1, w=2147483648, x=0.0] [L78] RET, EXPR __signbit_float(res) VAL [__signbit_float(res)=1, res=0.0, res == 0.0f && __signbit_float(res) == 0=1, x=0.0, y=0.0] [L78] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [__signbit_float(res)=1, res=0.0, res == 0.0f && __signbit_float(res) == 0=0, x=0.0, y=0.0] [L78] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L79] __VERIFIER_error() VAL [res=0.0, x=0.0, y=0.0] ----- [2018-11-23 07:20:33,667 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2a422937-1218-441b-9439-46b11f243d1e/bin-2019/uautomizer/witness.graphml [2018-11-23 07:20:33,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:20:33,667 INFO L168 Benchmark]: Toolchain (without parser) took 2705.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 947.9 MB in the beginning and 900.1 MB in the end (delta: 47.8 MB). Peak memory consumption was 201.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:20:33,668 INFO L168 Benchmark]: CDTParser took 0.16 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 07:20:33,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.98 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 931.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:20:33,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.00 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:20:33,670 INFO L168 Benchmark]: Boogie Preprocessor took 26.89 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:20:33,670 INFO L168 Benchmark]: RCFGBuilder took 288.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -193.5 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:20:33,670 INFO L168 Benchmark]: TraceAbstraction took 2006.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.6 MB in the end (delta: 218.7 MB). Peak memory consumption was 218.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:20:33,670 INFO L168 Benchmark]: Witness Printer took 158.80 ms. Allocated memory is still 1.2 GB. Free memory was 906.6 MB in the beginning and 900.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:20:33,672 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 202.98 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 931.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.00 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.89 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 288.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -193.5 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2006.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.6 MB in the end (delta: 218.7 MB). Peak memory consumption was 218.7 MB. Max. memory is 11.5 GB. * Witness Printer took 158.80 ms. Allocated memory is still 1.2 GB. Free memory was 906.6 MB in the beginning and 900.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 79]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L73] float x = 0.0f; [L74] float y = -0.0f; VAL [x=0.0, y=0.0] [L75] CALL, EXPR fmax_float(x, y) VAL [\old(x)=0.0, \old(y)=0.0] [L44] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0.0] [L21] __uint32_t w; VAL [\old(x)=0.0, x=0.0] [L24] ieee_float_shape_type gf_u; [L25] gf_u.value = (x) [L26] EXPR gf_u.word [L26] (w) = gf_u.word [L29] COND TRUE w == 0x00000000 || w == 0x80000000 [L30] return 2; VAL [\old(x)=0.0, \result=2, w=0, x=0.0] [L44] RET, EXPR __fpclassify_float(x) VAL [\old(x)=0.0, \old(y)=0.0, __fpclassify_float(x)=2, x=0.0, y=0.0] [L44] COND FALSE !(__fpclassify_float(x) == 0) [L48] CALL, EXPR __fpclassify_float(y) VAL [\old(x)=0.0] [L21] __uint32_t w; VAL [\old(x)=0.0, x=0.0] [L24] ieee_float_shape_type gf_u; [L25] gf_u.value = (x) [L26] EXPR gf_u.word [L26] (w) = gf_u.word [L29] COND TRUE w == 0x00000000 || w == 0x80000000 [L30] return 2; VAL [\old(x)=0.0, \result=2, w=2147483648, x=0.0] [L48] RET, EXPR __fpclassify_float(y) VAL [\old(x)=0.0, \old(y)=0.0, __fpclassify_float(y)=2, x=0.0, y=0.0] [L48] COND FALSE !(__fpclassify_float(y) == 0) [L51] EXPR x > y ? x : y VAL [\old(x)=0.0, \old(y)=0.0, x=0.0, x > y ? x : y=0.0, y=0.0] [L51] return x > y ? x : y; [L75] RET, EXPR fmax_float(x, y) VAL [fmax_float(x, y)=0.0, x=0.0, y=0.0] [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=0.0, res == 0.0f && __signbit_float(res) == 0=1, x=0.0, y=0.0] [L78] CALL, EXPR __signbit_float(res) VAL [\old(x)=0.0] [L55] __uint32_t w; VAL [\old(x)=0.0, x=0.0] [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (w) = gf_u.word [L63] return (w & 0x80000000) != 0; VAL [\old(x)=0.0, \result=1, w=2147483648, x=0.0] [L78] RET, EXPR __signbit_float(res) VAL [__signbit_float(res)=1, res=0.0, res == 0.0f && __signbit_float(res) == 0=1, x=0.0, y=0.0] [L78] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [__signbit_float(res)=1, res=0.0, res == 0.0f && __signbit_float(res) == 0=0, x=0.0, y=0.0] [L78] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L79] __VERIFIER_error() VAL [res=0.0, x=0.0, y=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 42 locations, 1 error locations. UNSAFE Result, 1.9s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 272 SDtfs, 111 SDslu, 739 SDs, 0 SdLazy, 268 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 196 GetRequests, 159 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 184 ConstructedInterpolants, 12 QuantifiedInterpolants, 13625 SizeOfPredicates, 15 NumberOfNonLiveVariables, 519 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...