./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_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_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f57b560c2271100a3cc213cf38aa06905e4b86e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f57b560c2271100a3cc213cf38aa06905e4b86e .............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_1 (_ bv0 32) ((_ extract 31 0) |v_q#valueAsBitvector_3|)) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:06:09,766 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:06:09,767 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:06:09,775 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:06:09,776 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:06:09,776 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:06:09,777 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:06:09,778 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:06:09,779 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:06:09,780 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:06:09,780 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:06:09,781 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:06:09,781 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:06:09,782 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:06:09,782 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:06:09,783 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:06:09,784 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:06:09,785 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:06:09,786 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:06:09,787 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:06:09,787 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:06:09,788 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:06:09,789 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:06:09,790 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:06:09,790 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:06:09,790 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:06:09,791 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:06:09,792 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:06:09,792 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:06:09,793 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:06:09,793 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:06:09,793 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:06:09,794 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:06:09,794 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:06:09,794 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:06:09,795 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:06:09,795 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 03:06:09,804 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:06:09,805 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:06:09,805 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:06:09,805 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 03:06:09,806 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:06:09,806 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:06:09,806 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:06:09,806 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:06:09,806 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:06:09,807 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:06:09,807 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:06:09,807 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:06:09,807 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:06:09,807 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:06:09,807 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:06:09,807 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:06:09,807 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:06:09,808 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:06:09,808 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 03:06:09,808 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 03:06:09,808 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:06:09,808 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:06:09,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 03:06:09,808 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:06:09,809 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:06:09,809 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:06:09,809 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 03:06:09,809 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:06:09,809 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:06:09,809 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_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak 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 -> Kojak 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 -> 6f57b560c2271100a3cc213cf38aa06905e4b86e [2018-11-23 03:06:09,831 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:06:09,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:06:09,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:06:09,844 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:06:09,844 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:06:09,844 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c [2018-11-23 03:06:09,890 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/data/3d93306a2/ed7ce5fee6df493d88a453465de2e0be/FLAG0b03b0b23 [2018-11-23 03:06:10,225 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:06:10,226 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c [2018-11-23 03:06:10,231 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/data/3d93306a2/ed7ce5fee6df493d88a453465de2e0be/FLAG0b03b0b23 [2018-11-23 03:06:10,648 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/data/3d93306a2/ed7ce5fee6df493d88a453465de2e0be [2018-11-23 03:06:10,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:06:10,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:06:10,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:06:10,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:06:10,654 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:06:10,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:10" (1/1) ... [2018-11-23 03:06:10,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:10, skipping insertion in model container [2018-11-23 03:06:10,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:10" (1/1) ... [2018-11-23 03:06:10,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:06:10,676 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:06:10,793 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:06:10,796 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:06:10,815 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:06:10,829 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:06:10,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:10 WrapperNode [2018-11-23 03:06:10,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:06:10,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:06:10,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:06:10,830 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:06:10,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:10" (1/1) ... [2018-11-23 03:06:10,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:10" (1/1) ... [2018-11-23 03:06:10,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:06:10,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:06:10,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:06:10,889 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:06:10,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:10" (1/1) ... [2018-11-23 03:06:10,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:10" (1/1) ... [2018-11-23 03:06:10,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:10" (1/1) ... [2018-11-23 03:06:10,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:10" (1/1) ... [2018-11-23 03:06:10,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:10" (1/1) ... [2018-11-23 03:06:10,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:10" (1/1) ... [2018-11-23 03:06:10,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:10" (1/1) ... [2018-11-23 03:06:10,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:06:10,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:06:10,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:06:10,908 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:06:10,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-23 03:06:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-11-23 03:06:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-11-23 03:06:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 03:06:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:06:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:06:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:06:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 03:06:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 03:06:11,239 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:06:11,239 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 03:06:11,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:11 BoogieIcfgContainer [2018-11-23 03:06:11,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:06:11,240 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 03:06:11,240 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 03:06:11,247 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 03:06:11,247 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:11" (1/1) ... [2018-11-23 03:06:11,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:06:11,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:06:11,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-11-23 03:06:11,278 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-11-23 03:06:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 03:06:11,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:06:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:06:11,357 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 03:06:11,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:06:11,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-11-23 03:06:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-11-23 03:06:11,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 03:06:11,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:06:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:06:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:06:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:06:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:06:11,458 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];havoc main_#res;havoc main_#t~ret9, main_#t~ret10, main_#t~short11, main_~x~0, main_~y~0, main_~res~0;main_~x~0 := 0.0;main_~y~0 := ~someUnaryDOUBLEoperation(0.0);fmax_double_#in~x, fmax_double_#in~y := main_~x~0, main_~y~0;havoc fmax_double_#res;havoc fmax_double_#t~ret4, fmax_double_#t~ret5, fmax_double_#t~ite6, fmax_double_~x, fmax_double_~y;fmax_double_~x := fmax_double_#in~x;fmax_double_~y := fmax_double_#in~y; VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0] [?] CALL call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [|#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_double_#in~x|=0.0] [?] ~x := #in~x;havoc ~msw~0;havoc ~lsw~0; VAL [__fpclassify_double_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_double_#in~x|=0.0] [?] call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.alloc(8);call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8);call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4);~msw~0 := #t~mem0;call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8);havoc #t~mem0;havoc #t~union1;call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4);~lsw~0 := #t~mem2;call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8);havoc #t~union3;havoc #t~mem2;call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset);havoc ~#ew_u~0.base, ~#ew_u~0.offset; VAL [__fpclassify_double_~lsw~0=10, __fpclassify_double_~msw~0=2146435073, __fpclassify_double_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_double_#in~x|=0.0] [?] goto; VAL [__fpclassify_double_~lsw~0=10, __fpclassify_double_~msw~0=2146435073, __fpclassify_double_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_double_#in~x|=0.0] [?] BeginParallelComposition{ParallelCodeBlock0: assume (0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296);#res := 2;ParallelCodeBlock1: assume !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296));BeginParallelComposition{ParallelCodeBlock0: assume (~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719);#res := 4;ParallelCodeBlock1: assume !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719));BeginParallelComposition{ParallelCodeBlock0: assume ~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223);#res := 3;ParallelCodeBlock1: assume !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223));BeginParallelComposition{ParallelCodeBlock0: assume (2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296);#res := 1;ParallelCodeBlock1: assume !((2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296));#res := 0;}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelCompositionassume true; VAL [__fpclassify_double_~lsw~0=10, __fpclassify_double_~msw~0=2146435073, __fpclassify_double_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_double_#in~x|=0.0, |__fpclassify_double_#res|=0] [?] RET #88#return; VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0, |ULTIMATE.start_fmax_double_#t~ret4|=0] [?] assume -2147483648 <= fmax_double_#t~ret4 && fmax_double_#t~ret4 <= 2147483647; VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0, |ULTIMATE.start_fmax_double_#t~ret4|=0] [?] assume 0 == fmax_double_#t~ret4;havoc fmax_double_#t~ret4;fmax_double_#res := fmax_double_~y; VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0, |ULTIMATE.start_fmax_double_#res|=1.0] [?] main_#t~ret9 := fmax_double_#res;main_~res~0 := main_#t~ret9;havoc main_#t~ret9;main_#t~short11 := ~someBinaryDOUBLEComparisonOperation(main_~res~0, 0.0); VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_main_~res~0=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0, |ULTIMATE.start_fmax_double_#res|=1.0, |ULTIMATE.start_main_#t~short11|=false] [?] assume !main_#t~short11; VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_main_~res~0=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0, |ULTIMATE.start_fmax_double_#res|=1.0, |ULTIMATE.start_main_#t~short11|=false] [?] assume !main_#t~short11;havoc main_#t~short11;havoc main_#t~ret10; VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_main_~res~0=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0, |ULTIMATE.start_fmax_double_#res|=1.0] [?] assume !false; VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_main_~res~0=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0, |ULTIMATE.start_fmax_double_#res|=1.0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret9, main_#t~ret10, main_#t~short11, main_~x~0, main_~y~0, main_~res~0; [L79] main_~x~0 := 0.0; [L80] main_~y~0 := ~someUnaryDOUBLEoperation(0.0); [L81] fmax_double_#in~x, fmax_double_#in~y := main_~x~0, main_~y~0; [L81] havoc fmax_double_#res; [L81] havoc fmax_double_#t~ret4, fmax_double_#t~ret5, fmax_double_#t~ite6, fmax_double_~x, fmax_double_~y; [L50-L58] fmax_double_~x := fmax_double_#in~x; [L50-L58] fmax_double_~y := fmax_double_#in~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L52] CALL call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0] [L23-L48] ~x := #in~x; [L24] havoc ~msw~0; [L24] havoc ~lsw~0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~x=0.0] [L27] call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.alloc(8); [L28] call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); [L29] call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); [L29] ~msw~0 := #t~mem0; [L29] call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); [L29] havoc #t~mem0; [L29] havoc #t~union1; [L30] call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); [L30] ~lsw~0 := #t~mem2; [L30] call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); [L30] havoc #t~union3; [L30] havoc #t~mem2; [L27] call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); [L27] havoc ~#ew_u~0.base, ~#ew_u~0.offset; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~lsw~0=10, ~msw~0=2146435073, ~x=0.0] [L33-L47] assume !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)); [L36-L47] assume !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)); [L39-L47] assume !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)); [L43-L47] assume !((2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)); [L47] #res := 0; [L23-L48] ensures true; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, #res=0, ~lsw~0=10, ~msw~0=2146435073, ~x=0.0] [L52] RET call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L52] assume -2147483648 <= fmax_double_#t~ret4 && fmax_double_#t~ret4 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L52-L53] assume 0 == fmax_double_#t~ret4; [L52] havoc fmax_double_#t~ret4; [L53] fmax_double_#res := fmax_double_~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L81] main_#t~ret9 := fmax_double_#res; [L81] main_~res~0 := main_#t~ret9; [L81] havoc main_#t~ret9; [L84] main_#t~short11 := ~someBinaryDOUBLEComparisonOperation(main_~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_#t~short11=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L84] assume !main_#t~short11; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_#t~short11=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L84-L87] assume !main_#t~short11; [L84] havoc main_#t~short11; [L84] havoc main_#t~ret10; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L85] assert false; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret9, main_#t~ret10, main_#t~short11, main_~x~0, main_~y~0, main_~res~0; [L79] main_~x~0 := 0.0; [L80] main_~y~0 := ~someUnaryDOUBLEoperation(0.0); [L81] fmax_double_#in~x, fmax_double_#in~y := main_~x~0, main_~y~0; [L81] havoc fmax_double_#res; [L81] havoc fmax_double_#t~ret4, fmax_double_#t~ret5, fmax_double_#t~ite6, fmax_double_~x, fmax_double_~y; [L50-L58] fmax_double_~x := fmax_double_#in~x; [L50-L58] fmax_double_~y := fmax_double_#in~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L52] CALL call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0] [L23-L48] ~x := #in~x; [L24] havoc ~msw~0; [L24] havoc ~lsw~0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~x=0.0] [L27] call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.alloc(8); [L28] call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); [L29] call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); [L29] ~msw~0 := #t~mem0; [L29] call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); [L29] havoc #t~mem0; [L29] havoc #t~union1; [L30] call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); [L30] ~lsw~0 := #t~mem2; [L30] call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); [L30] havoc #t~union3; [L30] havoc #t~mem2; [L27] call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); [L27] havoc ~#ew_u~0.base, ~#ew_u~0.offset; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~lsw~0=10, ~msw~0=2146435073, ~x=0.0] [L33-L47] assume !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)); [L36-L47] assume !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)); [L39-L47] assume !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)); [L43-L47] assume !((2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)); [L47] #res := 0; [L23-L48] ensures true; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, #res=0, ~lsw~0=10, ~msw~0=2146435073, ~x=0.0] [L52] RET call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L52] assume -2147483648 <= fmax_double_#t~ret4 && fmax_double_#t~ret4 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L52-L53] assume 0 == fmax_double_#t~ret4; [L52] havoc fmax_double_#t~ret4; [L53] fmax_double_#res := fmax_double_~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L81] main_#t~ret9 := fmax_double_#res; [L81] main_~res~0 := main_#t~ret9; [L81] havoc main_#t~ret9; [L84] main_#t~short11 := ~someBinaryDOUBLEComparisonOperation(main_~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_#t~short11=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L84] assume !main_#t~short11; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_#t~short11=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L84-L87] assume !main_#t~short11; [L84] havoc main_#t~short11; [L84] havoc main_#t~ret10; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L85] assert false; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret9, main_#t~ret10, main_#t~short11, main_~x~0, main_~y~0, main_~res~0; [L79] main_~x~0 := 0.0; [L80] main_~y~0 := ~someUnaryDOUBLEoperation(0.0); [L81] fmax_double_#in~x, fmax_double_#in~y := main_~x~0, main_~y~0; [L81] havoc fmax_double_#res; [L81] havoc fmax_double_#t~ret4, fmax_double_#t~ret5, fmax_double_#t~ite6, fmax_double_~x, fmax_double_~y; [L50-L58] fmax_double_~x := fmax_double_#in~x; [L50-L58] fmax_double_~y := fmax_double_#in~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L52] CALL call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L23-L48] ~x := #in~x; [L24] havoc ~msw~0; [L24] havoc ~lsw~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L27] FCALL call ~#ew_u~0 := #Ultimate.alloc(8); [L28] FCALL call write~real(~x, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L29] FCALL call #t~mem0 := read~int({ base: ~#ew_u~0!base, offset: 4 + ~#ew_u~0!offset }, 4); [L29] ~msw~0 := #t~mem0; [L29] FCALL call write~real(#t~union1, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L29] havoc #t~mem0; [L29] havoc #t~union1; [L30] FCALL call #t~mem2 := read~int({ base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 4); [L30] ~lsw~0 := #t~mem2; [L30] FCALL call write~real(#t~union3, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L30] havoc #t~union3; [L30] havoc #t~mem2; [L27] FCALL call ULTIMATE.dealloc(~#ew_u~0); [L27] havoc ~#ew_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~lsw~0=10, ~msw~0=2146435073, ~x=0.0] [L33-L34] COND FALSE !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L36-L37] COND FALSE !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)) [L39-L40] COND FALSE !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)) [L43-L44] COND FALSE !((2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L47] #res := 0; [L52] RET call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L52] assume -2147483648 <= fmax_double_#t~ret4 && fmax_double_#t~ret4 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L52] COND TRUE 0 == fmax_double_#t~ret4 [L52] havoc fmax_double_#t~ret4; [L53] fmax_double_#res := fmax_double_~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L81] main_#t~ret9 := fmax_double_#res; [L81] main_~res~0 := main_#t~ret9; [L81] havoc main_#t~ret9; [L84] main_#t~short11 := ~someBinaryDOUBLEComparisonOperation(main_~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_#t~short11=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L84] COND FALSE !(main_#t~short11) VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_#t~short11=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L84] COND TRUE !main_#t~short11 [L84] havoc main_#t~short11; [L84] havoc main_#t~ret10; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L85] assert false; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret9, main_#t~ret10, main_#t~short11, main_~x~0, main_~y~0, main_~res~0; [L79] main_~x~0 := 0.0; [L80] main_~y~0 := ~someUnaryDOUBLEoperation(0.0); [L81] fmax_double_#in~x, fmax_double_#in~y := main_~x~0, main_~y~0; [L81] havoc fmax_double_#res; [L81] havoc fmax_double_#t~ret4, fmax_double_#t~ret5, fmax_double_#t~ite6, fmax_double_~x, fmax_double_~y; [L50-L58] fmax_double_~x := fmax_double_#in~x; [L50-L58] fmax_double_~y := fmax_double_#in~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L52] CALL call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L23-L48] ~x := #in~x; [L24] havoc ~msw~0; [L24] havoc ~lsw~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L27] FCALL call ~#ew_u~0 := #Ultimate.alloc(8); [L28] FCALL call write~real(~x, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L29] FCALL call #t~mem0 := read~int({ base: ~#ew_u~0!base, offset: 4 + ~#ew_u~0!offset }, 4); [L29] ~msw~0 := #t~mem0; [L29] FCALL call write~real(#t~union1, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L29] havoc #t~mem0; [L29] havoc #t~union1; [L30] FCALL call #t~mem2 := read~int({ base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 4); [L30] ~lsw~0 := #t~mem2; [L30] FCALL call write~real(#t~union3, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L30] havoc #t~union3; [L30] havoc #t~mem2; [L27] FCALL call ULTIMATE.dealloc(~#ew_u~0); [L27] havoc ~#ew_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~lsw~0=10, ~msw~0=2146435073, ~x=0.0] [L33-L34] COND FALSE !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L36-L37] COND FALSE !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)) [L39-L40] COND FALSE !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)) [L43-L44] COND FALSE !((2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L47] #res := 0; [L52] RET call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L52] assume -2147483648 <= fmax_double_#t~ret4 && fmax_double_#t~ret4 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L52] COND TRUE 0 == fmax_double_#t~ret4 [L52] havoc fmax_double_#t~ret4; [L53] fmax_double_#res := fmax_double_~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L81] main_#t~ret9 := fmax_double_#res; [L81] main_~res~0 := main_#t~ret9; [L81] havoc main_#t~ret9; [L84] main_#t~short11 := ~someBinaryDOUBLEComparisonOperation(main_~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_#t~short11=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L84] COND FALSE !(main_#t~short11) VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_#t~short11=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L84] COND TRUE !main_#t~short11 [L84] havoc main_#t~short11; [L84] havoc main_#t~ret10; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L85] assert false; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L79] ~x~0 := 0.0; [L80] ~y~0 := ~someUnaryDOUBLEoperation(0.0); [L50-L58] ~x := #in~x; [L50-L58] ~y := #in~y; VAL [#NULL!base=0, #NULL!offset=0] [L52] CALL call #t~ret4 := __fpclassify_double(~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L23-L48] ~x := #in~x; [L24] havoc ~msw~0; [L24] havoc ~lsw~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L27] FCALL call ~#ew_u~0 := #Ultimate.alloc(8); [L28] FCALL call write~real(~x, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L29] FCALL call #t~mem0 := read~int({ base: ~#ew_u~0!base, offset: 4 + ~#ew_u~0!offset }, 4); [L29] ~msw~0 := #t~mem0; [L29] FCALL call write~real(#t~union1, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L29] havoc #t~mem0; [L29] havoc #t~union1; [L30] FCALL call #t~mem2 := read~int({ base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 4); [L30] ~lsw~0 := #t~mem2; [L30] FCALL call write~real(#t~union3, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L30] havoc #t~union3; [L30] havoc #t~mem2; [L27] FCALL call ULTIMATE.dealloc(~#ew_u~0); [L27] havoc ~#ew_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~lsw~0=10, ~msw~0=2146435073, ~x=0.0] [L33-L34] COND FALSE !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L36-L37] COND FALSE !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)) [L39-L40] COND FALSE !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)) [L43-L44] COND FALSE !((2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L47] #res := 0; [L52] RET call #t~ret4 := __fpclassify_double(~x); VAL [#NULL!base=0, #NULL!offset=0] [L52] assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L52] COND TRUE 0 == #t~ret4 [L52] havoc #t~ret4; [L53] #res := ~y; VAL [#NULL!base=0, #NULL!offset=0] [L81] ~res~0 := #t~ret9; [L81] havoc #t~ret9; [L84] #t~short11 := ~someBinaryDOUBLEComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L84] COND FALSE !(#t~short11) VAL [#NULL!base=0, #NULL!offset=0] [L84] COND TRUE !#t~short11 [L84] havoc #t~short11; [L84] havoc #t~ret10; VAL [#NULL!base=0, #NULL!offset=0] [L85] assert false; VAL [#NULL!base=0, #NULL!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L79] ~x~0 := 0.0; [L80] ~y~0 := ~someUnaryDOUBLEoperation(0.0); [L50-L58] ~x := #in~x; [L50-L58] ~y := #in~y; VAL [#NULL!base=0, #NULL!offset=0] [L52] CALL call #t~ret4 := __fpclassify_double(~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L23-L48] ~x := #in~x; [L24] havoc ~msw~0; [L24] havoc ~lsw~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L27] FCALL call ~#ew_u~0 := #Ultimate.alloc(8); [L28] FCALL call write~real(~x, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L29] FCALL call #t~mem0 := read~int({ base: ~#ew_u~0!base, offset: 4 + ~#ew_u~0!offset }, 4); [L29] ~msw~0 := #t~mem0; [L29] FCALL call write~real(#t~union1, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L29] havoc #t~mem0; [L29] havoc #t~union1; [L30] FCALL call #t~mem2 := read~int({ base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 4); [L30] ~lsw~0 := #t~mem2; [L30] FCALL call write~real(#t~union3, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L30] havoc #t~union3; [L30] havoc #t~mem2; [L27] FCALL call ULTIMATE.dealloc(~#ew_u~0); [L27] havoc ~#ew_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~lsw~0=10, ~msw~0=2146435073, ~x=0.0] [L33-L34] COND FALSE !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L36-L37] COND FALSE !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)) [L39-L40] COND FALSE !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)) [L43-L44] COND FALSE !((2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L47] #res := 0; [L52] RET call #t~ret4 := __fpclassify_double(~x); VAL [#NULL!base=0, #NULL!offset=0] [L52] assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L52] COND TRUE 0 == #t~ret4 [L52] havoc #t~ret4; [L53] #res := ~y; VAL [#NULL!base=0, #NULL!offset=0] [L81] ~res~0 := #t~ret9; [L81] havoc #t~ret9; [L84] #t~short11 := ~someBinaryDOUBLEComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L84] COND FALSE !(#t~short11) VAL [#NULL!base=0, #NULL!offset=0] [L84] COND TRUE !#t~short11 [L84] havoc #t~short11; [L84] havoc #t~ret10; VAL [#NULL!base=0, #NULL!offset=0] [L85] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L79] double x = 0.0; [L80] double y = -0.0; [L52] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=0] [L24] __uint32_t msw, lsw; VAL [\old(x)=0, x=0] [L27] ieee_double_shape_type ew_u; [L28] ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] (msw) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] (lsw) = ew_u.parts.lsw [L33-L34] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L36-L37] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L39-L40] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L43-L44] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L47] return 0; [L52] RET, EXPR __fpclassify_double(x) [L52] COND TRUE __fpclassify_double(x) == 0 [L53] return y; [L81] double res = fmax_double(x, y); [L84] EXPR res == 0.0 && __signbit_double(res) == 0 [L84] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L85] __VERIFIER_error() ----- [2018-11-23 03:06:11,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:06:11 ImpRootNode [2018-11-23 03:06:11,504 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 03:06:11,504 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:06:11,504 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:06:11,504 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:06:11,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:11" (3/4) ... [2018-11-23 03:06:11,512 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 03:06:11,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:06:11,513 INFO L168 Benchmark]: Toolchain (without parser) took 862.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 959.8 MB in the beginning and 1.1 GB in the end (delta: -94.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:11,515 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:06:11,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.96 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 946.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:11,515 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:11,516 INFO L168 Benchmark]: Boogie Preprocessor took 18.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:11,517 INFO L168 Benchmark]: RCFGBuilder took 332.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:11,517 INFO L168 Benchmark]: CodeCheck took 263.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:11,518 INFO L168 Benchmark]: Witness Printer took 8.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:11,521 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 85]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someUnaryDOUBLEoperation at line 80. Possible FailurePath: [L79] double x = 0.0; [L80] double y = -0.0; [L52] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=0] [L24] __uint32_t msw, lsw; VAL [\old(x)=0, x=0] [L27] ieee_double_shape_type ew_u; [L28] ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] (msw) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] (lsw) = ew_u.parts.lsw [L33-L34] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L36-L37] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L39-L40] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L43-L44] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L47] return 0; [L52] RET, EXPR __fpclassify_double(x) [L52] COND TRUE __fpclassify_double(x) == 0 [L53] return y; [L81] double res = fmax_double(x, y); [L84] EXPR res == 0.0 && __signbit_double(res) == 0 [L84] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L85] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 176.96 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 946.4 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 59.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 332.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * CodeCheck took 263.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Witness Printer took 8.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. 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 03:06:12,966 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:06:12,967 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:06:12,976 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:06:12,977 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:06:12,977 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:06:12,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:06:12,979 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:06:12,980 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:06:12,981 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:06:12,982 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:06:12,982 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:06:12,983 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:06:12,983 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:06:12,984 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:06:12,985 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:06:12,985 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:06:12,986 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:06:12,988 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:06:12,989 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:06:12,989 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:06:12,990 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:06:12,992 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:06:12,992 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:06:12,992 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:06:12,993 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:06:12,994 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:06:12,994 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:06:12,995 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:06:12,995 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:06:12,996 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:06:12,996 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:06:12,996 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:06:12,996 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:06:12,997 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:06:12,997 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:06:12,998 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 03:06:13,008 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:06:13,008 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:06:13,009 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:06:13,009 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 03:06:13,010 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:06:13,010 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:06:13,010 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:06:13,010 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:06:13,010 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:06:13,010 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:06:13,010 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:06:13,011 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:06:13,011 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:06:13,011 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 03:06:13,011 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 03:06:13,011 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:06:13,011 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:06:13,011 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:06:13,012 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:06:13,012 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 03:06:13,012 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 03:06:13,012 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:06:13,012 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:06:13,012 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 03:06:13,012 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:06:13,013 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:06:13,013 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:06:13,013 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 03:06:13,013 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 03:06:13,013 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:06:13,013 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 03:06:13,013 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 03:06:13,013 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_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak 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 -> Kojak 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 -> 6f57b560c2271100a3cc213cf38aa06905e4b86e [2018-11-23 03:06:13,043 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:06:13,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:06:13,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:06:13,056 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:06:13,056 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:06:13,057 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c [2018-11-23 03:06:13,097 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/data/5eb211351/e83f3613ff8c4d76bfc47b2a9d742d6e/FLAG843e100dd [2018-11-23 03:06:13,493 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:06:13,494 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c [2018-11-23 03:06:13,497 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/data/5eb211351/e83f3613ff8c4d76bfc47b2a9d742d6e/FLAG843e100dd [2018-11-23 03:06:13,505 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/data/5eb211351/e83f3613ff8c4d76bfc47b2a9d742d6e [2018-11-23 03:06:13,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:06:13,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:06:13,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:06:13,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:06:13,513 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:06:13,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:13" (1/1) ... [2018-11-23 03:06:13,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c785416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:13, skipping insertion in model container [2018-11-23 03:06:13,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:13" (1/1) ... [2018-11-23 03:06:13,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:06:13,537 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:06:13,676 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:06:13,680 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:06:13,702 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:06:13,725 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:06:13,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:13 WrapperNode [2018-11-23 03:06:13,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:06:13,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:06:13,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:06:13,726 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:06:13,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:13" (1/1) ... [2018-11-23 03:06:13,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:13" (1/1) ... [2018-11-23 03:06:13,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:06:13,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:06:13,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:06:13,758 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:06:13,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:13" (1/1) ... [2018-11-23 03:06:13,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:13" (1/1) ... [2018-11-23 03:06:13,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:13" (1/1) ... [2018-11-23 03:06:13,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:13" (1/1) ... [2018-11-23 03:06:13,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:13" (1/1) ... [2018-11-23 03:06:13,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:13" (1/1) ... [2018-11-23 03:06:13,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:13" (1/1) ... [2018-11-23 03:06:13,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:06:13,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:06:13,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:06:13,829 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:06:13,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96be93c8-7dad-459a-a02c-f883a097d0a6/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-23 03:06:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-23 03:06:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-11-23 03:06:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-11-23 03:06:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:06:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 03:06:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:06:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:06:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 03:06:13,982 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:06:14,074 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:06:14,211 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:06:14,212 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 03:06:14,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:14 BoogieIcfgContainer [2018-11-23 03:06:14,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:06:14,213 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 03:06:14,213 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 03:06:14,222 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 03:06:14,222 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:14" (1/1) ... [2018-11-23 03:06:14,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:06:14,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:06:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-23 03:06:14,255 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-23 03:06:14,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 03:06:14,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:06:14,297 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 03:06:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:06:14,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:06:14,329 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 03:06:14,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:06:14,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-23 03:06:14,336 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-23 03:06:14,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 03:06:14,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:06:14,337 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 03:06:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:06:14,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:06:14,392 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 03:06:14,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:06:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-11-23 03:06:14,478 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-11-23 03:06:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 03:06:14,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:06:14,479 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 03:06:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:06:14,494 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:06:14,496 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 03:06:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:06:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-11-23 03:06:14,500 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-11-23 03:06:14,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 03:06:14,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:06:14,501 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 03:06:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:06:14,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:06:14,594 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 03:06:14,594 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 03:06:14,595 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 03:06:14,596 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 03:06:14,600 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 85 [2018-11-23 03:06:14,674 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_1 (_ bv0 32) ((_ extract 31 0) |v_q#valueAsBitvector_3|)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:208) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:142) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:624) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:454) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 03:06:14,676 INFO L168 Benchmark]: Toolchain (without parser) took 1167.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -98.3 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:14,677 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 03:06:14,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.42 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:14,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.78 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:06:14,678 INFO L168 Benchmark]: Boogie Preprocessor took 71.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:14,679 INFO L168 Benchmark]: RCFGBuilder took 383.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:14,679 INFO L168 Benchmark]: CodeCheck took 463.13 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: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:14,681 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_1 (_ bv0 32) ((_ extract 31 0) |v_q#valueAsBitvector_3|)) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_1 (_ bv0 32) ((_ extract 31 0) |v_q#valueAsBitvector_3|)): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) * 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 215.42 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.78 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 383.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * CodeCheck took 463.13 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: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...