./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_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_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f441bd4a1f5705911b7315c074b39e665542818e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f441bd4a1f5705911b7315c074b39e665542818e ................................................................................................................................................................................................................................................................................ 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 05:18:48,311 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:18:48,313 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:18:48,320 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:18:48,320 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:18:48,321 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:18:48,322 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:18:48,323 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:18:48,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:18:48,324 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:18:48,325 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:18:48,325 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:18:48,326 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:18:48,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:18:48,327 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:18:48,327 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:18:48,328 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:18:48,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:18:48,330 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:18:48,331 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:18:48,331 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:18:48,332 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:18:48,334 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:18:48,334 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:18:48,334 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:18:48,335 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:18:48,335 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:18:48,335 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:18:48,336 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:18:48,336 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:18:48,337 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:18:48,337 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:18:48,337 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:18:48,337 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:18:48,338 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:18:48,338 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:18:48,338 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 05:18:48,347 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:18:48,347 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:18:48,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:18:48,348 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 05:18:48,348 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:18:48,348 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:18:48,348 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:18:48,348 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:18:48,349 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:18:48,349 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:18:48,349 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:18:48,349 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:18:48,349 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:18:48,349 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:18:48,349 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:18:48,349 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:18:48,349 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:18:48,350 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:18:48,350 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 05:18:48,350 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 05:18:48,350 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:18:48,350 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:18:48,350 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:18:48,350 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:18:48,351 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:18:48,351 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:18:48,351 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 05:18:48,351 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:18:48,351 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:18:48,351 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_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f441bd4a1f5705911b7315c074b39e665542818e [2018-11-23 05:18:48,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:18:48,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:18:48,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:18:48,387 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:18:48,388 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:18:48,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c [2018-11-23 05:18:48,427 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/data/2e7fec648/4944051c1cbf4189ba8b0ffdb4899dbc/FLAGad6e4e662 [2018-11-23 05:18:48,839 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:18:48,839 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c [2018-11-23 05:18:48,843 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/data/2e7fec648/4944051c1cbf4189ba8b0ffdb4899dbc/FLAGad6e4e662 [2018-11-23 05:18:48,854 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/data/2e7fec648/4944051c1cbf4189ba8b0ffdb4899dbc [2018-11-23 05:18:48,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:18:48,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:18:48,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:18:48,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:18:48,862 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:18:48,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:48" (1/1) ... [2018-11-23 05:18:48,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20da91a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:48, skipping insertion in model container [2018-11-23 05:18:48,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:48" (1/1) ... [2018-11-23 05:18:48,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:18:48,891 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:18:49,012 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:18:49,014 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:18:49,028 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:18:49,040 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:18:49,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:49 WrapperNode [2018-11-23 05:18:49,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:18:49,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:18:49,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:18:49,041 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:18:49,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:49" (1/1) ... [2018-11-23 05:18:49,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:49" (1/1) ... [2018-11-23 05:18:49,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:18:49,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:18:49,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:18:49,103 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:18:49,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:49" (1/1) ... [2018-11-23 05:18:49,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:49" (1/1) ... [2018-11-23 05:18:49,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:49" (1/1) ... [2018-11-23 05:18:49,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:49" (1/1) ... [2018-11-23 05:18:49,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:49" (1/1) ... [2018-11-23 05:18:49,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:49" (1/1) ... [2018-11-23 05:18:49,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:49" (1/1) ... [2018-11-23 05:18:49,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:18:49,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:18:49,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:18:49,124 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:18:49,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:18:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 05:18:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 05:18:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:18:49,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:18:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 05:18:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-23 05:18:49,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-23 05:18:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 05:18:49,458 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:18:49,458 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 05:18:49,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:18:49 BoogieIcfgContainer [2018-11-23 05:18:49,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:18:49,459 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 05:18:49,459 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 05:18:49,465 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 05:18:49,465 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:18:49" (1/1) ... [2018-11-23 05:18:49,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:49,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:18:49,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-11-23 05:18:49,497 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-11-23 05:18:49,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 05:18:49,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:18:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:49,579 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 05:18:49,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:18:49,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-11-23 05:18:49,586 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-11-23 05:18:49,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 05:18:49,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:18:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 05:18:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 05:18:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 05:18:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 05:18:49,673 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];havoc main_#res;havoc main_#t~ret7, main_#t~ret8, main_#t~short9, main_~x~0, main_~y~0, main_~res~0;main_~x~0 := ~someUnaryFLOAToperation(0.0);main_~y~0 := 0.0;fmax_float_#in~x, fmax_float_#in~y := main_~x~0, main_~y~0;havoc fmax_float_#res;havoc fmax_float_#t~ret2, fmax_float_#t~ret3, fmax_float_#t~ite4, fmax_float_~x, fmax_float_~y;fmax_float_~x := fmax_float_#in~x;fmax_float_~y := fmax_float_#in~y; VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0] [?] CALL call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [|#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=1.0] [?] ~x := #in~x;havoc ~w~0; VAL [__fpclassify_float_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=1.0] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := #t~mem0;call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~union1;havoc #t~mem0;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [__fpclassify_float_~w~0=2139095041, __fpclassify_float_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=1.0] [?] goto; VAL [__fpclassify_float_~w~0=2139095041, __fpclassify_float_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=1.0] [?] BeginParallelComposition{ParallelCodeBlock0: assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296;#res := 2;ParallelCodeBlock1: assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296);BeginParallelComposition{ParallelCodeBlock0: assume (~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687);#res := 4;ParallelCodeBlock1: assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687));BeginParallelComposition{ParallelCodeBlock0: assume (~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255);#res := 3;ParallelCodeBlock1: assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255));BeginParallelComposition{ParallelCodeBlock0: assume 2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296;#res := 1;ParallelCodeBlock1: assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296);#res := 0;}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelCompositionassume true; VAL [__fpclassify_float_~w~0=2139095041, __fpclassify_float_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=1.0, |__fpclassify_float_#res|=0] [?] RET #88#return; VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0, |ULTIMATE.start_fmax_float_#t~ret2|=0] [?] assume -2147483648 <= fmax_float_#t~ret2 && fmax_float_#t~ret2 <= 2147483647; VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0, |ULTIMATE.start_fmax_float_#t~ret2|=0] [?] assume 0 == fmax_float_#t~ret2;havoc fmax_float_#t~ret2;fmax_float_#res := fmax_float_~y; VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0, |ULTIMATE.start_fmax_float_#res|=0.0] [?] main_#t~ret7 := fmax_float_#res;main_~res~0 := main_#t~ret7;havoc main_#t~ret7;main_#t~short9 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0, |ULTIMATE.start_fmax_float_#res|=0.0, |ULTIMATE.start_main_#t~short9|=false] [?] assume !main_#t~short9; VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0, |ULTIMATE.start_fmax_float_#res|=0.0, |ULTIMATE.start_main_#t~short9|=false] [?] assume !main_#t~short9;havoc main_#t~short9;havoc main_#t~ret8; VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0, |ULTIMATE.start_fmax_float_#res|=0.0] [?] assume !false; VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0, |ULTIMATE.start_fmax_float_#res|=0.0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret7, main_#t~ret8, main_#t~short9, main_~x~0, main_~y~0, main_~res~0; [L72] main_~x~0 := ~someUnaryFLOAToperation(0.0); [L73] main_~y~0 := 0.0; [L75] fmax_float_#in~x, fmax_float_#in~y := main_~x~0, main_~y~0; [L75] havoc fmax_float_#res; [L75] havoc fmax_float_#t~ret2, fmax_float_#t~ret3, fmax_float_#t~ite4, fmax_float_~x, fmax_float_~y; [L42-L51] fmax_float_~x := fmax_float_#in~x; [L42-L51] fmax_float_~y := fmax_float_#in~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] CALL call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0] [L19-L40] ~x := #in~x; [L20] havoc ~w~0; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~x=1.0] [L23] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L24] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] ~w~0 := #t~mem0; [L25] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L23] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~w~0=2139095041, ~x=1.0] [L28-L39] assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); [L30-L39] assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); [L33-L39] assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); [L36-L39] assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296); [L39] #res := 0; [L19-L40] ensures true; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, #res=0, ~w~0=2139095041, ~x=1.0] [L43] RET call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] assume -2147483648 <= fmax_float_#t~ret2 && fmax_float_#t~ret2 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43-L45] assume 0 == fmax_float_#t~ret2; [L43] havoc fmax_float_#t~ret2; [L44] fmax_float_#res := fmax_float_~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L75] main_#t~ret7 := fmax_float_#res; [L75] main_~res~0 := main_#t~ret7; [L75] havoc main_#t~ret7; [L78] main_#t~short9 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_#t~short9=false, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L78] assume !main_#t~short9; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_#t~short9=false, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L78-L81] assume !main_#t~short9; [L78] havoc main_#t~short9; [L78] havoc main_#t~ret8; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L79] assert false; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret7, main_#t~ret8, main_#t~short9, main_~x~0, main_~y~0, main_~res~0; [L72] main_~x~0 := ~someUnaryFLOAToperation(0.0); [L73] main_~y~0 := 0.0; [L75] fmax_float_#in~x, fmax_float_#in~y := main_~x~0, main_~y~0; [L75] havoc fmax_float_#res; [L75] havoc fmax_float_#t~ret2, fmax_float_#t~ret3, fmax_float_#t~ite4, fmax_float_~x, fmax_float_~y; [L42-L51] fmax_float_~x := fmax_float_#in~x; [L42-L51] fmax_float_~y := fmax_float_#in~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] CALL call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0] [L19-L40] ~x := #in~x; [L20] havoc ~w~0; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~x=1.0] [L23] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L24] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] ~w~0 := #t~mem0; [L25] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L23] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~w~0=2139095041, ~x=1.0] [L28-L39] assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); [L30-L39] assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); [L33-L39] assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); [L36-L39] assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296); [L39] #res := 0; [L19-L40] ensures true; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, #res=0, ~w~0=2139095041, ~x=1.0] [L43] RET call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] assume -2147483648 <= fmax_float_#t~ret2 && fmax_float_#t~ret2 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43-L45] assume 0 == fmax_float_#t~ret2; [L43] havoc fmax_float_#t~ret2; [L44] fmax_float_#res := fmax_float_~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L75] main_#t~ret7 := fmax_float_#res; [L75] main_~res~0 := main_#t~ret7; [L75] havoc main_#t~ret7; [L78] main_#t~short9 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_#t~short9=false, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L78] assume !main_#t~short9; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_#t~short9=false, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L78-L81] assume !main_#t~short9; [L78] havoc main_#t~short9; [L78] havoc main_#t~ret8; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L79] assert false; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret7, main_#t~ret8, main_#t~short9, main_~x~0, main_~y~0, main_~res~0; [L72] main_~x~0 := ~someUnaryFLOAToperation(0.0); [L73] main_~y~0 := 0.0; [L75] fmax_float_#in~x, fmax_float_#in~y := main_~x~0, main_~y~0; [L75] havoc fmax_float_#res; [L75] havoc fmax_float_#t~ret2, fmax_float_#t~ret3, fmax_float_#t~ite4, fmax_float_~x, fmax_float_~y; [L42-L51] fmax_float_~x := fmax_float_#in~x; [L42-L51] fmax_float_~y := fmax_float_#in~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] CALL call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0] [L19-L40] ~x := #in~x; [L20] havoc ~w~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~x=1.0] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~w~0 := #t~mem0; [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~w~0=2139095041, ~x=1.0] [L28] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) [L30-L31] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) [L33-L34] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) [L36] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L39] #res := 0; [L43] RET call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] assume -2147483648 <= fmax_float_#t~ret2 && fmax_float_#t~ret2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] COND TRUE 0 == fmax_float_#t~ret2 [L43] havoc fmax_float_#t~ret2; [L44] fmax_float_#res := fmax_float_~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L75] main_#t~ret7 := fmax_float_#res; [L75] main_~res~0 := main_#t~ret7; [L75] havoc main_#t~ret7; [L78] main_#t~short9 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_#t~short9=false, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L78] COND FALSE !(main_#t~short9) VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_#t~short9=false, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L78] COND TRUE !main_#t~short9 [L78] havoc main_#t~short9; [L78] havoc main_#t~ret8; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L79] assert false; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret7, main_#t~ret8, main_#t~short9, main_~x~0, main_~y~0, main_~res~0; [L72] main_~x~0 := ~someUnaryFLOAToperation(0.0); [L73] main_~y~0 := 0.0; [L75] fmax_float_#in~x, fmax_float_#in~y := main_~x~0, main_~y~0; [L75] havoc fmax_float_#res; [L75] havoc fmax_float_#t~ret2, fmax_float_#t~ret3, fmax_float_#t~ite4, fmax_float_~x, fmax_float_~y; [L42-L51] fmax_float_~x := fmax_float_#in~x; [L42-L51] fmax_float_~y := fmax_float_#in~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] CALL call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0] [L19-L40] ~x := #in~x; [L20] havoc ~w~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~x=1.0] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~w~0 := #t~mem0; [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~w~0=2139095041, ~x=1.0] [L28] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) [L30-L31] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) [L33-L34] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) [L36] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L39] #res := 0; [L43] RET call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] assume -2147483648 <= fmax_float_#t~ret2 && fmax_float_#t~ret2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] COND TRUE 0 == fmax_float_#t~ret2 [L43] havoc fmax_float_#t~ret2; [L44] fmax_float_#res := fmax_float_~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L75] main_#t~ret7 := fmax_float_#res; [L75] main_~res~0 := main_#t~ret7; [L75] havoc main_#t~ret7; [L78] main_#t~short9 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_#t~short9=false, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L78] COND FALSE !(main_#t~short9) VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_#t~short9=false, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L78] COND TRUE !main_#t~short9 [L78] havoc main_#t~short9; [L78] havoc main_#t~ret8; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L79] assert false; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L72] ~x~0 := ~someUnaryFLOAToperation(0.0); [L73] ~y~0 := 0.0; [L42-L51] ~x := #in~x; [L42-L51] ~y := #in~y; VAL [#NULL!base=0, #NULL!offset=0] [L43] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0] [L19-L40] ~x := #in~x; [L20] havoc ~w~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~x=1.0] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~w~0 := #t~mem0; [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~w~0=2139095041, ~x=1.0] [L28] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) [L30-L31] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) [L33-L34] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) [L36] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L39] #res := 0; [L43] RET call #t~ret2 := __fpclassify_float(~x); VAL [#NULL!base=0, #NULL!offset=0] [L43] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L43] COND TRUE 0 == #t~ret2 [L43] havoc #t~ret2; [L44] #res := ~y; VAL [#NULL!base=0, #NULL!offset=0] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L78] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0] [L78] COND TRUE !#t~short9 [L78] havoc #t~short9; [L78] havoc #t~ret8; VAL [#NULL!base=0, #NULL!offset=0] [L79] assert false; VAL [#NULL!base=0, #NULL!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L72] ~x~0 := ~someUnaryFLOAToperation(0.0); [L73] ~y~0 := 0.0; [L42-L51] ~x := #in~x; [L42-L51] ~y := #in~y; VAL [#NULL!base=0, #NULL!offset=0] [L43] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0] [L19-L40] ~x := #in~x; [L20] havoc ~w~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~x=1.0] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~w~0 := #t~mem0; [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~w~0=2139095041, ~x=1.0] [L28] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) [L30-L31] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) [L33-L34] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) [L36] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L39] #res := 0; [L43] RET call #t~ret2 := __fpclassify_float(~x); VAL [#NULL!base=0, #NULL!offset=0] [L43] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L43] COND TRUE 0 == #t~ret2 [L43] havoc #t~ret2; [L44] #res := ~y; VAL [#NULL!base=0, #NULL!offset=0] [L75] ~res~0 := #t~ret7; [L75] havoc #t~ret7; [L78] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L78] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0] [L78] COND TRUE !#t~short9 [L78] havoc #t~short9; [L78] havoc #t~ret8; VAL [#NULL!base=0, #NULL!offset=0] [L79] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L72] float x = -0.0f; [L73] float y = 0.0f; [L43] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=1] [L20] __uint32_t w; VAL [\old(x)=1, x=1] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (w) = gf_u.word [L28] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L30-L31] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L33-L34] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L36] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L39] return 0; [L43] RET, EXPR __fpclassify_float(x) [L43] COND TRUE __fpclassify_float(x) == 0 [L44] return y; [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 [L78] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L79] __VERIFIER_error() ----- [2018-11-23 05:18:49,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 05:18:49 ImpRootNode [2018-11-23 05:18:49,711 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 05:18:49,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:18:49,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:18:49,712 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:18:49,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:18:49" (3/4) ... [2018-11-23 05:18:49,715 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 05:18:49,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:18:49,716 INFO L168 Benchmark]: Toolchain (without parser) took 858.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -114.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-11-23 05:18:49,717 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:18:49,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.22 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 05:18:49,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:18:49,719 INFO L168 Benchmark]: Boogie Preprocessor took 20.34 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 05:18:49,719 INFO L168 Benchmark]: RCFGBuilder took 334.82 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-23 05:18:49,720 INFO L168 Benchmark]: CodeCheck took 252.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:18:49,720 INFO L168 Benchmark]: Witness Printer took 3.97 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:18:49,723 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 79]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someUnaryFLOAToperation at line 72. Possible FailurePath: [L72] float x = -0.0f; [L73] float y = 0.0f; [L43] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=1] [L20] __uint32_t w; VAL [\old(x)=1, x=1] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (w) = gf_u.word [L28] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L30-L31] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L33-L34] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L36] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L39] return 0; [L43] RET, EXPR __fpclassify_float(x) [L43] COND TRUE __fpclassify_float(x) == 0 [L44] return y; [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 [L78] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L79] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 182.22 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.34 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. * RCFGBuilder took 334.82 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * CodeCheck took 252.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.97 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 05:18:51,143 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:18:51,144 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:18:51,151 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:18:51,152 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:18:51,152 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:18:51,153 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:18:51,154 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:18:51,155 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:18:51,156 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:18:51,157 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:18:51,157 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:18:51,158 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:18:51,158 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:18:51,159 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:18:51,160 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:18:51,161 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:18:51,162 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:18:51,163 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:18:51,165 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:18:51,165 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:18:51,166 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:18:51,168 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:18:51,169 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:18:51,169 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:18:51,169 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:18:51,170 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:18:51,171 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:18:51,171 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:18:51,172 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:18:51,172 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:18:51,173 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:18:51,173 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:18:51,173 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:18:51,174 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:18:51,175 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:18:51,175 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 05:18:51,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:18:51,186 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:18:51,187 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:18:51,187 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 05:18:51,187 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:18:51,187 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:18:51,187 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:18:51,188 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:18:51,188 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:18:51,188 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:18:51,189 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:18:51,189 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:18:51,189 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:18:51,189 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 05:18:51,189 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 05:18:51,189 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:18:51,189 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:18:51,189 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:18:51,190 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:18:51,190 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 05:18:51,190 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 05:18:51,190 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:18:51,190 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:18:51,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:18:51,190 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:18:51,190 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:18:51,191 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:18:51,191 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 05:18:51,191 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 05:18:51,191 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:18:51,191 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 05:18:51,191 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 05:18:51,191 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_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f441bd4a1f5705911b7315c074b39e665542818e [2018-11-23 05:18:51,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:18:51,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:18:51,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:18:51,229 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:18:51,230 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:18:51,230 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c [2018-11-23 05:18:51,265 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/data/a77da9ffa/f911eff86bfa4341930600cdb57e7ef4/FLAG7c8c96139 [2018-11-23 05:18:51,596 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:18:51,596 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c [2018-11-23 05:18:51,600 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/data/a77da9ffa/f911eff86bfa4341930600cdb57e7ef4/FLAG7c8c96139 [2018-11-23 05:18:52,029 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/data/a77da9ffa/f911eff86bfa4341930600cdb57e7ef4 [2018-11-23 05:18:52,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:18:52,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:18:52,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:18:52,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:18:52,037 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:18:52,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:52" (1/1) ... [2018-11-23 05:18:52,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12511f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:52, skipping insertion in model container [2018-11-23 05:18:52,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:52" (1/1) ... [2018-11-23 05:18:52,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:18:52,063 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:18:52,184 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:18:52,187 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:18:52,205 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:18:52,221 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:18:52,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:52 WrapperNode [2018-11-23 05:18:52,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:18:52,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:18:52,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:18:52,222 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:18:52,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:52" (1/1) ... [2018-11-23 05:18:52,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:52" (1/1) ... [2018-11-23 05:18:52,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:18:52,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:18:52,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:18:52,250 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:18:52,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:52" (1/1) ... [2018-11-23 05:18:52,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:52" (1/1) ... [2018-11-23 05:18:52,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:52" (1/1) ... [2018-11-23 05:18:52,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:52" (1/1) ... [2018-11-23 05:18:52,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:52" (1/1) ... [2018-11-23 05:18:52,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:52" (1/1) ... [2018-11-23 05:18:52,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:52" (1/1) ... [2018-11-23 05:18:52,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:18:52,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:18:52,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:18:52,274 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:18:52,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:18:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 05:18:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 05:18:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:18:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:18:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 05:18:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-23 05:18:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-23 05:18:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 05:18:52,671 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:18:52,671 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 05:18:52,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:18:52 BoogieIcfgContainer [2018-11-23 05:18:52,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:18:52,672 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 05:18:52,672 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 05:18:52,680 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 05:18:52,680 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:18:52" (1/1) ... [2018-11-23 05:18:52,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:52,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:18:52,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-23 05:18:52,711 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-23 05:18:52,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 05:18:52,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:18:52,748 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 05:18:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:52,773 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:52,783 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 05:18:52,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:18:52,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-23 05:18:52,792 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-23 05:18:52,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 05:18:52,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:18:52,794 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 05:18:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:52,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:52,850 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 05:18:52,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:18:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-11-23 05:18:52,933 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-11-23 05:18:52,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 05:18:52,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:18:52,934 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 05:18:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:52,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:18:52,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:18:52,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-11-23 05:18:52,954 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-11-23 05:18:52,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 05:18:52,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:18:52,955 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 05:18:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:52,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:53,034 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 05:18:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:18:53,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 30 transitions. [2018-11-23 05:18:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-11-23 05:18:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 05:18:53,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:18:53,191 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 05:18:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:53,210 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:54,311 WARN L180 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 143 [2018-11-23 05:18:55,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 05:18:55,953 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-11-23 05:18:56,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:18:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 18 transitions. [2018-11-23 05:18:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-11-23 05:18:56,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:18:56,291 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-23 05:18:56,298 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 05:18:56,428 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-11-23 05:18:56,435 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:18:56,437 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:18:56,437 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:18:56,437 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:18:56,437 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 05:18:56,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 05:18:56 ImpRootNode [2018-11-23 05:18:56,443 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 05:18:56,443 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:18:56,443 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:18:56,443 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:18:56,444 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:18:52" (3/4) ... [2018-11-23 05:18:56,447 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:18:56,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2018-11-23 05:18:56,455 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-23 05:18:56,455 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 05:18:56,456 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:18:56,473 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-23 05:18:56,491 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4d66e938-50e2-4b2c-a362-40b0a584a405/bin-2019/ukojak/witness.graphml [2018-11-23 05:18:56,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:18:56,491 INFO L168 Benchmark]: Toolchain (without parser) took 4458.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.1 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -124.9 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. [2018-11-23 05:18:56,492 INFO L168 Benchmark]: CDTParser took 0.13 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 05:18:56,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.63 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 05:18:56,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.90 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:18:56,493 INFO L168 Benchmark]: Boogie Preprocessor took 23.62 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:18:56,493 INFO L168 Benchmark]: RCFGBuilder took 397.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 932.5 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-23 05:18:56,493 INFO L168 Benchmark]: CodeCheck took 3770.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:18:56,494 INFO L168 Benchmark]: Witness Printer took 47.74 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: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-11-23 05:18:56,495 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 29 locations, 1 error locations. SAFE Result, 3.5s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 18 SDslu, 14 SDs, 0 SdLazy, 412 SolverSat, 164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 535 GetRequests, 501 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 66 ConstructedInterpolants, 2 QuantifiedInterpolants, 11690 SizeOfPredicates, 27 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 79]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x == \old(x) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 187.63 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.5 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 27.90 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.62 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 397.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 932.5 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * CodeCheck took 3770.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. * Witness Printer took 47.74 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: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...