./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cbf38875841624eee0d839935b3b6d34a59b0b20 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cbf38875841624eee0d839935b3b6d34a59b0b20 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:09:27,025 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:09:27,026 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:09:27,035 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:09:27,035 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:09:27,036 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:09:27,037 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:09:27,038 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:09:27,039 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:09:27,040 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:09:27,040 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:09:27,041 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:09:27,041 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:09:27,042 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:09:27,042 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:09:27,043 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:09:27,043 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:09:27,044 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:09:27,045 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:09:27,046 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:09:27,047 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:09:27,048 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:09:27,049 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:09:27,049 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:09:27,050 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:09:27,050 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:09:27,051 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:09:27,052 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:09:27,052 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:09:27,053 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:09:27,053 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:09:27,054 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:09:27,054 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:09:27,054 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:09:27,055 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:09:27,056 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:09:27,056 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 04:09:27,063 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:09:27,063 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:09:27,063 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:09:27,064 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:09:27,064 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:09:27,064 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:09:27,064 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 04:09:27,064 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:09:27,065 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:09:27,065 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:09:27,065 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:09:27,065 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:09:27,065 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:09:27,065 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:09:27,065 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:09:27,066 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:09:27,066 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:09:27,066 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:09:27,066 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:09:27,066 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:09:27,066 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:09:27,066 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:09:27,067 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:09:27,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:09:27,067 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:09:27,067 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:09:27,067 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:09:27,067 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 04:09:27,067 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:09:27,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:09:27,068 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_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbf38875841624eee0d839935b3b6d34a59b0b20 [2018-11-23 04:09:27,093 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:09:27,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:09:27,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:09:27,106 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:09:27,106 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:09:27,107 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c [2018-11-23 04:09:27,154 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/data/b601412df/11e4902c0b2d455984713589ba47644f/FLAGb766b6d7a [2018-11-23 04:09:27,469 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:09:27,469 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c [2018-11-23 04:09:27,473 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/data/b601412df/11e4902c0b2d455984713589ba47644f/FLAGb766b6d7a [2018-11-23 04:09:27,483 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/data/b601412df/11e4902c0b2d455984713589ba47644f [2018-11-23 04:09:27,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:09:27,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:09:27,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:09:27,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:09:27,489 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:09:27,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:09:27" (1/1) ... [2018-11-23 04:09:27,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b945dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27, skipping insertion in model container [2018-11-23 04:09:27,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:09:27" (1/1) ... [2018-11-23 04:09:27,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:09:27,511 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:09:27,629 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:09:27,631 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:09:27,645 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:09:27,657 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:09:27,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27 WrapperNode [2018-11-23 04:09:27,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:09:27,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:09:27,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:09:27,658 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:09:27,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2018-11-23 04:09:27,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2018-11-23 04:09:27,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:09:27,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:09:27,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:09:27,682 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:09:27,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2018-11-23 04:09:27,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2018-11-23 04:09:27,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2018-11-23 04:09:27,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2018-11-23 04:09:27,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2018-11-23 04:09:27,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2018-11-23 04:09:27,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2018-11-23 04:09:27,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:09:27,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:09:27,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:09:27,749 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:09:27,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:09:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 04:09:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 04:09:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 04:09:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 04:09:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:09:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:09:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 04:09:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:09:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:09:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:09:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 04:09:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:09:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:09:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-11-23 04:09:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-11-23 04:09:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 04:09:27,978 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:09:27,978 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 04:09:27,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:27 BoogieIcfgContainer [2018-11-23 04:09:27,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:09:27,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:09:27,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:09:27,982 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:09:27,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:09:27" (1/3) ... [2018-11-23 04:09:27,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ef666d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:27, skipping insertion in model container [2018-11-23 04:09:27,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (2/3) ... [2018-11-23 04:09:27,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ef666d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:27, skipping insertion in model container [2018-11-23 04:09:27,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:27" (3/3) ... [2018-11-23 04:09:27,985 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1071_true-unreach-call.c [2018-11-23 04:09:27,994 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:09:28,000 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:09:28,017 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:09:28,044 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 04:09:28,045 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:09:28,045 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:09:28,045 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:09:28,045 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:09:28,045 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:09:28,045 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:09:28,045 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:09:28,046 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:09:28,061 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2018-11-23 04:09:28,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 04:09:28,067 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:09:28,068 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:09:28,070 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:09:28,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:09:28,075 INFO L82 PathProgramCache]: Analyzing trace with hash 846806543, now seen corresponding path program 1 times [2018-11-23 04:09:28,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:09:28,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:09:28,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:09:28,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:09:28,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:09:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:09:28,178 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 04:09:28,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:09:28,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 04:09:28,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 04:09:28,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 04:09:28,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 04:09:28,195 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2018-11-23 04:09:28,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:09:28,209 INFO L93 Difference]: Finished difference Result 60 states and 78 transitions. [2018-11-23 04:09:28,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 04:09:28,210 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-23 04:09:28,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:09:28,215 INFO L225 Difference]: With dead ends: 60 [2018-11-23 04:09:28,216 INFO L226 Difference]: Without dead ends: 30 [2018-11-23 04:09:28,218 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 04:09:28,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-11-23 04:09:28,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-11-23 04:09:28,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-23 04:09:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2018-11-23 04:09:28,242 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 22 [2018-11-23 04:09:28,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:09:28,242 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2018-11-23 04:09:28,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 04:09:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2018-11-23 04:09:28,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 04:09:28,243 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:09:28,243 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:09:28,243 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:09:28,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:09:28,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1446285465, now seen corresponding path program 1 times [2018-11-23 04:09:28,244 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:09:28,244 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:09:28,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:09:28,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:09:28,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:09:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:09:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:09:28,320 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=6442450950, |#NULL.offset|=6442450945, |old(#NULL.base)|=6442450950, |old(#NULL.offset)|=6442450945] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450950, |old(#NULL.offset)|=6442450945] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450950, |old(#NULL.offset)|=6442450945] [?] RET #75#return; VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret8 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret6 := trunc_float(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=6442450948.0] [?] ~x := #in~x;havoc ~signbit~0;havoc ~w~0;havoc ~exponent_less_127~0; VAL [trunc_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=6442450948.0] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296);call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [trunc_float_~w~0=(- 2147483648), trunc_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=6442450948.0] [?] goto; VAL [trunc_float_~w~0=(- 2147483648), trunc_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=6442450948.0] [?] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=(- 1), trunc_float_~w~0=(- 2147483648), trunc_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=6442450948.0] [?] assume !(~exponent_less_127~0 < 23); VAL [trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=(- 1), trunc_float_~w~0=(- 2147483648), trunc_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=6442450948.0] [?] assume 255 == ~exponent_less_127~0;#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=(- 1), trunc_float_~w~0=(- 2147483648), trunc_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=6442450948.0] [?] assume true; VAL [trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=(- 1), trunc_float_~w~0=(- 2147483648), trunc_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=6442450948.0] [?] RET #79#return; VAL [main_~x~0=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret6|=6442450946.0] [?] ~res~0 := #t~ret6;havoc #t~ret6; VAL [main_~res~0=6442450946.0, main_~x~0=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret7 := isnan_float(~res~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450946.0] [?] ~x := #in~x;#res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [isnan_float_~x=6442450946.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450946.0, |isnan_float_#res|=0] [?] assume true; VAL [isnan_float_~x=6442450946.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450946.0, |isnan_float_#res|=0] [?] RET #81#return; VAL [main_~res~0=6442450946.0, main_~x~0=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret7|=0] [?] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [main_~res~0=6442450946.0, main_~x~0=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret7|=0] [?] assume 0 == #t~ret7;havoc #t~ret7; VAL [main_~res~0=6442450946.0, main_~x~0=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0] [?] assume !false; VAL [main_~res~0=6442450946.0, main_~x~0=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450950, #NULL.offset=6442450945, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L52] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL.base=0, #NULL.offset=0] [L53] CALL call #t~ret6 := trunc_float(~x~0); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0] [L12-L41] ~x := #in~x; [L13] havoc ~signbit~0; [L13] havoc ~w~0; [L13] havoc ~exponent_less_127~0; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~x=6.442450948E9] [L15] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L16] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L17] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L17] ~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L17] havoc #t~mem0; [L17] havoc #t~union1; [L15] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L15] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~w~0=-2147483648, ~x=6.442450948E9] [L19] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] ~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L21-L39] assume !(~exponent_less_127~0 < 23); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L37-L38] assume 255 == ~exponent_less_127~0; [L38] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L12-L41] ensures true; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L53] RET call #t~ret6 := trunc_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=6.442450946E9, ~x~0=6.442450948E9] [L53] ~res~0 := #t~ret6; [L53] havoc #t~ret6; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0] [L44] ~x := #in~x; [L44] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~x=6.442450946E9] [L44] ensures true; VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~x=6.442450946E9] [L56] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56-L59] assume 0 == #t~ret7; [L56] havoc #t~ret7; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L57] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450950, #NULL.offset=6442450945, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L52] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL.base=0, #NULL.offset=0] [L53] CALL call #t~ret6 := trunc_float(~x~0); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0] [L12-L41] ~x := #in~x; [L13] havoc ~signbit~0; [L13] havoc ~w~0; [L13] havoc ~exponent_less_127~0; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~x=6.442450948E9] [L15] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L16] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L17] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L17] ~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L17] havoc #t~mem0; [L17] havoc #t~union1; [L15] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L15] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~w~0=-2147483648, ~x=6.442450948E9] [L19] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] ~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L21-L39] assume !(~exponent_less_127~0 < 23); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L37-L38] assume 255 == ~exponent_less_127~0; [L38] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L12-L41] ensures true; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L53] RET call #t~ret6 := trunc_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=6.442450946E9, ~x~0=6.442450948E9] [L53] ~res~0 := #t~ret6; [L53] havoc #t~ret6; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0] [L44] ~x := #in~x; [L44] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~x=6.442450946E9] [L44] ensures true; VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~x=6.442450946E9] [L56] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56-L59] assume 0 == #t~ret7; [L56] havoc #t~ret7; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L57] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450950, #NULL!offset=6442450945, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L52] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L53] CALL call #t~ret6 := trunc_float(~x~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0] [L12-L41] ~x := #in~x; [L13] havoc ~signbit~0; [L13] havoc ~w~0; [L13] havoc ~exponent_less_127~0; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450948E9] [L15] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L16] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] ~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] havoc #t~mem0; [L17] havoc #t~union1; [L15] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L15] havoc ~#gf_u~0; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~w~0=-2147483648, ~x=6.442450948E9] [L19] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] ~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L21] COND FALSE !(~exponent_less_127~0 < 23) VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L37] COND TRUE 255 == ~exponent_less_127~0 [L38] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L53] RET call #t~ret6 := trunc_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~x~0=6.442450948E9] [L53] ~res~0 := #t~ret6; [L53] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0] [L44] ~x := #in~x; [L44] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~x=6.442450946E9] [L56] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] COND TRUE 0 == #t~ret7 [L56] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L57] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450950, #NULL!offset=6442450945, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L52] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L53] CALL call #t~ret6 := trunc_float(~x~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0] [L12-L41] ~x := #in~x; [L13] havoc ~signbit~0; [L13] havoc ~w~0; [L13] havoc ~exponent_less_127~0; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450948E9] [L15] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L16] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] ~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] havoc #t~mem0; [L17] havoc #t~union1; [L15] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L15] havoc ~#gf_u~0; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~w~0=-2147483648, ~x=6.442450948E9] [L19] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] ~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L21] COND FALSE !(~exponent_less_127~0 < 23) VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L37] COND TRUE 255 == ~exponent_less_127~0 [L38] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L53] RET call #t~ret6 := trunc_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~x~0=6.442450948E9] [L53] ~res~0 := #t~ret6; [L53] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0] [L44] ~x := #in~x; [L44] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~x=6.442450946E9] [L56] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] COND TRUE 0 == #t~ret7 [L56] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L57] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450950, #NULL!offset=6442450945, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L52] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L53] CALL call #t~ret6 := trunc_float(~x~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0] [L12-L41] ~x := #in~x; [L13] havoc ~signbit~0; [L13] havoc ~w~0; [L13] havoc ~exponent_less_127~0; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450948E9] [L15] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L16] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] ~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] havoc #t~mem0; [L17] havoc #t~union1; [L15] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L15] havoc ~#gf_u~0; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~w~0=-2147483648, ~x=6.442450948E9] [L19] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] ~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L21] COND FALSE !(~exponent_less_127~0 < 23) VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L37] COND TRUE 255 == ~exponent_less_127~0 [L38] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L53] RET call #t~ret6 := trunc_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~x~0=6.442450948E9] [L53] ~res~0 := #t~ret6; [L53] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0] [L44] ~x := #in~x; [L44] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~x=6.442450946E9] [L56] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] COND TRUE 0 == #t~ret7 [L56] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L57] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450950, #NULL!offset=6442450945, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L52] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L53] CALL call #t~ret6 := trunc_float(~x~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0] [L12-L41] ~x := #in~x; [L13] havoc ~signbit~0; [L13] havoc ~w~0; [L13] havoc ~exponent_less_127~0; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450948E9] [L15] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L16] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] ~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] havoc #t~mem0; [L17] havoc #t~union1; [L15] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L15] havoc ~#gf_u~0; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~w~0=-2147483648, ~x=6.442450948E9] [L19] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] ~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L21] COND FALSE !(~exponent_less_127~0 < 23) VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L37] COND TRUE 255 == ~exponent_less_127~0 [L38] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=-2147483648, ~x=6.442450948E9] [L53] RET call #t~ret6 := trunc_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~x~0=6.442450948E9] [L53] ~res~0 := #t~ret6; [L53] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0] [L44] ~x := #in~x; [L44] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~x=6.442450946E9] [L56] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L56] COND TRUE 0 == #t~ret7 [L56] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L57] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450948E9] [L52] float x = 0.0f / 0.0f; [L53] CALL, EXPR trunc_float(x) VAL [\old(x)=6442450948] [L13] __int32_t signbit, w, exponent_less_127; VAL [\old(x)=6442450948, x=6442450948] [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (w) = gf_u.word [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 VAL [\old(x)=6442450948, exponent_less_127=255, signbit=-1, w=-2147483648, x=6442450948] [L21] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=6442450948, exponent_less_127=255, signbit=-1, w=-2147483648, x=6442450948] [L37] COND TRUE exponent_less_127 == 255 [L38] return x + x; VAL [\old(x)=6442450948, exponent_less_127=255, signbit=-1, w=-2147483648, x=6442450948] [L53] RET, EXPR trunc_float(x) VAL [trunc_float(x)=6442450946, x=6442450948] [L53] float res = trunc_float(x); [L56] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450946] [L44] return x != x; VAL [\old(x)=6442450946, \result=0, x=6442450946] [L56] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, res=6442450946, x=6442450948] [L56] COND TRUE !isnan_float(res) [L57] __VERIFIER_error() VAL [res=6442450946, x=6442450948] ----- [2018-11-23 04:09:28,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:09:28 BoogieIcfgContainer [2018-11-23 04:09:28,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:09:28,352 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:09:28,352 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:09:28,352 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:09:28,352 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:27" (3/4) ... [2018-11-23 04:09:28,355 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 04:09:28,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:09:28,356 INFO L168 Benchmark]: Toolchain (without parser) took 870.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 961.3 MB in the beginning and 1.1 GB in the end (delta: -128.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:09:28,357 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:09:28,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.47 ms. Allocated memory is still 1.0 GB. Free memory was 961.3 MB in the beginning and 945.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:09:28,358 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.20 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:09:28,358 INFO L168 Benchmark]: Boogie Preprocessor took 67.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 04:09:28,359 INFO L168 Benchmark]: RCFGBuilder took 229.73 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:09:28,360 INFO L168 Benchmark]: TraceAbstraction took 372.32 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 04:09:28,360 INFO L168 Benchmark]: Witness Printer took 3.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:09:28,363 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.47 ms. Allocated memory is still 1.0 GB. Free memory was 961.3 MB in the beginning and 945.2 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 23.20 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 229.73 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 372.32 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 57]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 38, overapproximation of bitwiseAnd at line 19. Possible FailurePath: [L52] float x = 0.0f / 0.0f; [L53] CALL, EXPR trunc_float(x) VAL [\old(x)=6442450948] [L13] __int32_t signbit, w, exponent_less_127; VAL [\old(x)=6442450948, x=6442450948] [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (w) = gf_u.word [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 VAL [\old(x)=6442450948, exponent_less_127=255, signbit=-1, w=-2147483648, x=6442450948] [L21] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=6442450948, exponent_less_127=255, signbit=-1, w=-2147483648, x=6442450948] [L37] COND TRUE exponent_less_127 == 255 [L38] return x + x; VAL [\old(x)=6442450948, exponent_less_127=255, signbit=-1, w=-2147483648, x=6442450948] [L53] RET, EXPR trunc_float(x) VAL [trunc_float(x)=6442450946, x=6442450948] [L53] float res = trunc_float(x); [L56] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450946] [L44] return x != x; VAL [\old(x)=6442450946, \result=0, x=6442450946] [L56] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, res=6442450946, x=6442450948] [L56] COND TRUE !isnan_float(res) [L57] __VERIFIER_error() VAL [res=6442450946, x=6442450948] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 34 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 04:09:29,856 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:09:29,857 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:09:29,866 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:09:29,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:09:29,867 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:09:29,868 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:09:29,869 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:09:29,870 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:09:29,871 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:09:29,871 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:09:29,871 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:09:29,872 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:09:29,873 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:09:29,874 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:09:29,874 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:09:29,875 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:09:29,876 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:09:29,877 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:09:29,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:09:29,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:09:29,880 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:09:29,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:09:29,882 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:09:29,882 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:09:29,882 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:09:29,883 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:09:29,884 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:09:29,884 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:09:29,885 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:09:29,885 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:09:29,886 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:09:29,886 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:09:29,886 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:09:29,887 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:09:29,887 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:09:29,887 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 04:09:29,898 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:09:29,898 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:09:29,898 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:09:29,899 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:09:29,899 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:09:29,899 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:09:29,899 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 04:09:29,899 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:09:29,900 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:09:29,900 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:09:29,900 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:09:29,900 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:09:29,900 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:09:29,900 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:09:29,900 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 04:09:29,901 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 04:09:29,901 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:09:29,901 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:09:29,901 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:09:29,901 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:09:29,901 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:09:29,901 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:09:29,901 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:09:29,902 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:09:29,902 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:09:29,902 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:09:29,902 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:09:29,902 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:09:29,902 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 04:09:29,902 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:09:29,902 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 04:09:29,902 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 04:09:29,902 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_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbf38875841624eee0d839935b3b6d34a59b0b20 [2018-11-23 04:09:29,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:09:29,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:09:29,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:09:29,941 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:09:29,942 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:09:29,942 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c [2018-11-23 04:09:29,980 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/data/5c982d876/539ba7815c494867bd1ef2956d3b56e3/FLAGe2581c7c5 [2018-11-23 04:09:30,287 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:09:30,287 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c [2018-11-23 04:09:30,292 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/data/5c982d876/539ba7815c494867bd1ef2956d3b56e3/FLAGe2581c7c5 [2018-11-23 04:09:30,301 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/data/5c982d876/539ba7815c494867bd1ef2956d3b56e3 [2018-11-23 04:09:30,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:09:30,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:09:30,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:09:30,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:09:30,308 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:09:30,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:09:30" (1/1) ... [2018-11-23 04:09:30,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7adfff7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30, skipping insertion in model container [2018-11-23 04:09:30,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:09:30" (1/1) ... [2018-11-23 04:09:30,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:09:30,337 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:09:30,487 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:09:30,491 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:09:30,511 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:09:30,528 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:09:30,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30 WrapperNode [2018-11-23 04:09:30,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:09:30,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:09:30,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:09:30,529 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:09:30,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2018-11-23 04:09:30,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2018-11-23 04:09:30,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:09:30,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:09:30,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:09:30,549 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:09:30,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2018-11-23 04:09:30,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2018-11-23 04:09:30,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2018-11-23 04:09:30,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2018-11-23 04:09:30,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2018-11-23 04:09:30,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2018-11-23 04:09:30,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2018-11-23 04:09:30,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:09:30,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:09:30,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:09:30,578 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:09:30,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:09:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 04:09:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 04:09:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:09:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:09:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:09:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 04:09:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:09:30,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:09:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 04:09:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:09:30,663 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:09:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-11-23 04:09:30,663 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-11-23 04:09:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 04:09:30,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 04:09:30,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 04:09:30,824 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:09:30,848 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:09:30,848 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 04:09:30,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:30 BoogieIcfgContainer [2018-11-23 04:09:30,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:09:30,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:09:30,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:09:30,852 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:09:30,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:09:30" (1/3) ... [2018-11-23 04:09:30,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce8f6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:30, skipping insertion in model container [2018-11-23 04:09:30,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (2/3) ... [2018-11-23 04:09:30,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce8f6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:30, skipping insertion in model container [2018-11-23 04:09:30,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:30" (3/3) ... [2018-11-23 04:09:30,854 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1071_true-unreach-call.c [2018-11-23 04:09:30,860 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:09:30,865 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:09:30,875 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:09:30,895 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 04:09:30,896 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:09:30,896 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:09:30,896 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:09:30,896 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:09:30,896 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:09:30,896 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:09:30,896 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:09:30,896 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:09:30,907 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-11-23 04:09:30,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 04:09:30,911 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:09:30,912 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:09:30,913 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:09:30,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:09:30,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1067176125, now seen corresponding path program 1 times [2018-11-23 04:09:30,919 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 04:09:30,920 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-23 04:09:30,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:09:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:09:30,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:09:31,007 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 04:09:31,007 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 04:09:31,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:09:31,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 04:09:31,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 04:09:31,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 04:09:31,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 04:09:31,029 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2018-11-23 04:09:31,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:09:31,043 INFO L93 Difference]: Finished difference Result 58 states and 76 transitions. [2018-11-23 04:09:31,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 04:09:31,045 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-23 04:09:31,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:09:31,052 INFO L225 Difference]: With dead ends: 58 [2018-11-23 04:09:31,053 INFO L226 Difference]: Without dead ends: 29 [2018-11-23 04:09:31,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 04:09:31,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-11-23 04:09:31,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-11-23 04:09:31,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-23 04:09:31,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2018-11-23 04:09:31,080 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 21 [2018-11-23 04:09:31,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:09:31,080 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2018-11-23 04:09:31,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 04:09:31,080 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2018-11-23 04:09:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 04:09:31,081 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:09:31,081 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:09:31,082 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:09:31,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:09:31,082 INFO L82 PathProgramCache]: Analyzing trace with hash -560796248, now seen corresponding path program 1 times [2018-11-23 04:09:31,082 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 04:09:31,082 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-23 04:09:31,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:09:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:09:31,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:09:31,196 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 04:09:31,196 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 04:09:31,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:09:31,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 04:09:31,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 04:09:31,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 04:09:31,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:09:31,210 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 4 states. [2018-11-23 04:09:31,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:09:31,255 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2018-11-23 04:09:31,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 04:09:31,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-11-23 04:09:31,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:09:31,258 INFO L225 Difference]: With dead ends: 42 [2018-11-23 04:09:31,258 INFO L226 Difference]: Without dead ends: 32 [2018-11-23 04:09:31,259 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:09:31,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-23 04:09:31,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2018-11-23 04:09:31,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-23 04:09:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-11-23 04:09:31,264 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 22 [2018-11-23 04:09:31,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:09:31,264 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-11-23 04:09:31,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 04:09:31,264 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-11-23 04:09:31,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 04:09:31,265 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:09:31,265 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:09:31,265 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:09:31,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:09:31,266 INFO L82 PathProgramCache]: Analyzing trace with hash 707143418, now seen corresponding path program 1 times [2018-11-23 04:09:31,266 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 04:09:31,266 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-23 04:09:31,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:09:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:09:31,297 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:09:31,393 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 04:09:31,393 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 04:09:31,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:09:31,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 04:09:31,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:09:31,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:09:31,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:09:31,401 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 9 states. [2018-11-23 04:09:31,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:09:31,617 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2018-11-23 04:09:31,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 04:09:31,617 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-23 04:09:31,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:09:31,618 INFO L225 Difference]: With dead ends: 37 [2018-11-23 04:09:31,618 INFO L226 Difference]: Without dead ends: 28 [2018-11-23 04:09:31,619 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 04:09:31,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-23 04:09:31,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-11-23 04:09:31,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-23 04:09:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-11-23 04:09:31,626 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 23 [2018-11-23 04:09:31,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:09:31,626 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-11-23 04:09:31,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:09:31,626 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-11-23 04:09:31,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 04:09:31,627 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:09:31,627 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:09:31,627 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:09:31,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:09:31,627 INFO L82 PathProgramCache]: Analyzing trace with hash -752265653, now seen corresponding path program 1 times [2018-11-23 04:09:31,628 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 04:09:31,628 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-23 04:09:31,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:09:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:09:31,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:09:31,757 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 04:09:31,757 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 04:09:31,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:09:31,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 04:09:31,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 04:09:31,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 04:09:31,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:09:31,765 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 7 states. [2018-11-23 04:09:31,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:09:31,973 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-11-23 04:09:31,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 04:09:31,974 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-11-23 04:09:31,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:09:31,975 INFO L225 Difference]: With dead ends: 28 [2018-11-23 04:09:31,975 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 04:09:31,975 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 04:09:31,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 04:09:31,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 04:09:31,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 04:09:31,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 04:09:31,976 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-23 04:09:31,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:09:31,977 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 04:09:31,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 04:09:31,977 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 04:09:31,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:09:31,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 04:09:32,144 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 44) no Hoare annotation was computed. [2018-11-23 04:09:32,145 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 44) the Hoare annotation is: true [2018-11-23 04:09:32,145 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 44) no Hoare annotation was computed. [2018-11-23 04:09:32,145 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:09:32,145 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:09:32,145 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:09:32,145 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:09:32,145 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 04:09:32,145 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:09:32,145 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:09:32,146 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 57) no Hoare annotation was computed. [2018-11-23 04:09:32,146 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 46 62) the Hoare annotation is: true [2018-11-23 04:09:32,146 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 46 62) no Hoare annotation was computed. [2018-11-23 04:09:32,146 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-23 04:09:32,146 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 46 62) no Hoare annotation was computed. [2018-11-23 04:09:32,146 INFO L444 ceAbstractionStarter]: At program point L56(line 56) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 .cse0) (= main_~x~0 .cse0))) [2018-11-23 04:09:32,146 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 56 59) no Hoare annotation was computed. [2018-11-23 04:09:32,147 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-11-23 04:09:32,147 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-23 04:09:32,147 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 39) no Hoare annotation was computed. [2018-11-23 04:09:32,147 INFO L448 ceAbstractionStarter]: For program point L21-1(lines 21 39) no Hoare annotation was computed. [2018-11-23 04:09:32,147 INFO L451 ceAbstractionStarter]: At program point trunc_floatENTRY(lines 12 41) the Hoare annotation is: true [2018-11-23 04:09:32,147 INFO L448 ceAbstractionStarter]: For program point trunc_floatEXIT(lines 12 41) no Hoare annotation was computed. [2018-11-23 04:09:32,147 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 30 34) no Hoare annotation was computed. [2018-11-23 04:09:32,147 INFO L444 ceAbstractionStarter]: At program point L30-2(lines 30 34) the Hoare annotation is: (and (= trunc_float_~x |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (bvslt (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32)))) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) trunc_float_~exponent_less_127~0))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|)) [2018-11-23 04:09:32,148 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-11-23 04:09:32,148 INFO L448 ceAbstractionStarter]: For program point trunc_floatFINAL(lines 12 41) no Hoare annotation was computed. [2018-11-23 04:09:32,148 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 35) no Hoare annotation was computed. [2018-11-23 04:09:32,148 INFO L444 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: (and (= trunc_float_~x |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (bvslt (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32)))) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) trunc_float_~exponent_less_127~0))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|)) [2018-11-23 04:09:32,148 INFO L448 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-11-23 04:09:32,148 INFO L444 ceAbstractionStarter]: At program point L14-2(lines 14 18) the Hoare annotation is: (= trunc_float_~x |trunc_float_#in~x|) [2018-11-23 04:09:32,148 INFO L448 ceAbstractionStarter]: For program point L14-3(lines 14 18) no Hoare annotation was computed. [2018-11-23 04:09:32,148 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-11-23 04:09:32,154 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,155 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,155 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,155 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,155 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,156 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,156 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,156 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,161 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,162 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,162 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,162 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,162 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,162 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,163 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,163 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,165 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,165 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,165 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,165 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,165 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:09:32 BoogieIcfgContainer [2018-11-23 04:09:32,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:09:32,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:09:32,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:09:32,168 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:09:32,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:30" (3/4) ... [2018-11-23 04:09:32,172 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:09:32,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-23 04:09:32,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 04:09:32,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 04:09:32,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_float [2018-11-23 04:09:32,181 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 04:09:32,182 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 04:09:32,182 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:09:32,201 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-23 04:09:32,202 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) [2018-11-23 04:09:32,202 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) [2018-11-23 04:09:32,218 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8c4d1894-478c-4d8d-82e3-5060197c0f8f/bin-2019/uautomizer/witness.graphml [2018-11-23 04:09:32,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:09:32,219 INFO L168 Benchmark]: Toolchain (without parser) took 1915.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -47.2 MB). Peak memory consumption was 115.9 MB. Max. memory is 11.5 GB. [2018-11-23 04:09:32,220 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 04:09:32,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.22 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:09:32,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.38 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:09:32,221 INFO L168 Benchmark]: Boogie Preprocessor took 29.25 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:09:32,221 INFO L168 Benchmark]: RCFGBuilder took 270.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-23 04:09:32,221 INFO L168 Benchmark]: TraceAbstraction took 1318.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 131.8 MB). Peak memory consumption was 131.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:09:32,222 INFO L168 Benchmark]: Witness Printer took 49.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:09:32,223 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 224.22 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.38 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.25 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 270.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1318.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 131.8 MB). Peak memory consumption was 131.8 MB. Max. memory is 11.5 GB. * Witness Printer took 49.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 57]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant [2018-11-23 04:09:32,228 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,228 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,228 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,228 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,228 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,228 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,229 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,229 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,229 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,229 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 30]: Loop Invariant [2018-11-23 04:09:32,231 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,233 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,233 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,233 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,233 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 04:09:32,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 98 SDtfs, 50 SDslu, 220 SDs, 0 SdLazy, 84 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 14 PreInvPairs, 18 NumberOfFragments, 134 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 87 ConstructedInterpolants, 9 QuantifiedInterpolants, 7602 SizeOfPredicates, 10 NumberOfNonLiveVariables, 220 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...