./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/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 c8e4dbe5a9ab518912f1108432d43f490ec977d7 ............................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/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 c8e4dbe5a9ab518912f1108432d43f490ec977d7 .................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:50:33,234 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:50:33,235 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:50:33,240 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:50:33,241 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:50:33,241 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:50:33,242 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:50:33,243 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:50:33,244 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:50:33,244 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:50:33,244 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:50:33,245 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:50:33,245 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:50:33,246 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:50:33,246 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:50:33,246 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:50:33,247 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:50:33,248 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:50:33,249 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:50:33,249 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:50:33,250 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:50:33,250 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:50:33,251 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:50:33,252 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:50:33,252 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:50:33,252 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:50:33,253 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:50:33,253 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:50:33,253 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:50:33,254 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:50:33,254 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:50:33,254 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:50:33,254 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:50:33,254 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:50:33,255 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:50:33,255 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:50:33,255 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 17:50:33,263 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:50:33,263 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:50:33,263 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:50:33,263 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 17:50:33,264 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:50:33,264 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:50:33,264 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:50:33,264 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:50:33,264 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:50:33,264 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:50:33,264 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:50:33,264 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:50:33,264 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:50:33,265 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:50:33,265 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:50:33,265 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:50:33,265 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:50:33,265 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:50:33,265 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 17:50:33,265 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 17:50:33,265 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:50:33,265 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:50:33,265 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:50:33,265 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:50:33,266 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:50:33,266 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:50:33,266 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 17:50:33,266 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:50:33,266 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:50:33,266 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_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/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 -> c8e4dbe5a9ab518912f1108432d43f490ec977d7 [2018-12-08 17:50:33,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:50:33,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:50:33,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:50:33,295 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:50:33,295 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:50:33,295 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-12-08 17:50:33,336 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/data/72176e16c/2620cea144e449ee8093c6d1b9a443a5/FLAG90d0d8766 [2018-12-08 17:50:33,632 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:50:33,632 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-12-08 17:50:33,636 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/data/72176e16c/2620cea144e449ee8093c6d1b9a443a5/FLAG90d0d8766 [2018-12-08 17:50:33,644 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/data/72176e16c/2620cea144e449ee8093c6d1b9a443a5 [2018-12-08 17:50:33,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:50:33,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:50:33,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:50:33,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:50:33,650 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:50:33,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:50:33" (1/1) ... [2018-12-08 17:50:33,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c1f7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:33, skipping insertion in model container [2018-12-08 17:50:33,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:50:33" (1/1) ... [2018-12-08 17:50:33,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:50:33,666 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:50:33,759 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:50:33,761 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:50:33,775 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:50:33,787 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:50:33,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:33 WrapperNode [2018-12-08 17:50:33,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:50:33,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:50:33,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:50:33,788 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:50:33,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:33" (1/1) ... [2018-12-08 17:50:33,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:33" (1/1) ... [2018-12-08 17:50:33,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:50:33,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:50:33,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:50:33,840 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:50:33,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:33" (1/1) ... [2018-12-08 17:50:33,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:33" (1/1) ... [2018-12-08 17:50:33,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:33" (1/1) ... [2018-12-08 17:50:33,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:33" (1/1) ... [2018-12-08 17:50:33,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:33" (1/1) ... [2018-12-08 17:50:33,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:33" (1/1) ... [2018-12-08 17:50:33,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:33" (1/1) ... [2018-12-08 17:50:33,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:50:33,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:50:33,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:50:33,856 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:50:33,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/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 [2018-12-08 17:50:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-12-08 17:50:33,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-12-08 17:50:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 17:50:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:50:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:50:33,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:50:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 17:50:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 17:50:34,097 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:50:34,097 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 17:50:34,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:50:34 BoogieIcfgContainer [2018-12-08 17:50:34,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:50:34,098 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 17:50:34,098 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 17:50:34,108 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 17:50:34,108 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:50:34" (1/1) ... [2018-12-08 17:50:34,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:50:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:34,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-08 17:50:34,142 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-08 17:50:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 17:50:34,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:34,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:50:34,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:34,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-12-08 17:50:34,224 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-12-08 17:50:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 17:50:34,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:50:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:50:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:50:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:50:34,301 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-08 17:50:34,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 05:50:34 ImpRootNode [2018-12-08 17:50:34,319 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 17:50:34,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:50:34,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:50:34,319 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:50:34,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:50:34" (3/4) ... [2018-12-08 17:50:34,322 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 17:50:34,322 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:50:34,323 INFO L168 Benchmark]: Toolchain (without parser) took 676.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 958.7 MB in the beginning and 1.0 GB in the end (delta: -76.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:34,324 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:50:34,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.05 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:34,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -142.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:34,325 INFO L168 Benchmark]: Boogie Preprocessor took 15.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:34,325 INFO L168 Benchmark]: RCFGBuilder took 242.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:34,326 INFO L168 Benchmark]: CodeCheck took 220.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:34,326 INFO L168 Benchmark]: Witness Printer took 3.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:50:34,328 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 74. Possible FailurePath: [L73] float x = 0.0f; [L74] float y = -0.0f; [L44] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0] [L21] __uint32_t w; VAL [\old(x)=0, x=0] [L24] ieee_float_shape_type gf_u; [L25] gf_u.value = (x) [L26] EXPR gf_u.word [L26] (w) = gf_u.word [L29] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L31-L32] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L34-L35] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L37] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L40] return 0; [L44] RET, EXPR __fpclassify_float(x) [L44] COND TRUE __fpclassify_float(x) == 0 [L45] 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 140.05 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -142.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 242.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * CodeCheck took 220.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. 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 0.1.23-635dfa2 [2018-12-08 17:50:35,570 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:50:35,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:50:35,579 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:50:35,579 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:50:35,580 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:50:35,581 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:50:35,582 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:50:35,583 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:50:35,584 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:50:35,584 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:50:35,585 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:50:35,585 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:50:35,586 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:50:35,587 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:50:35,587 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:50:35,588 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:50:35,589 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:50:35,591 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:50:35,592 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:50:35,592 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:50:35,593 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:50:35,595 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:50:35,595 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:50:35,595 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:50:35,596 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:50:35,597 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:50:35,597 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:50:35,598 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:50:35,599 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:50:35,599 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:50:35,599 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:50:35,599 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:50:35,600 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:50:35,600 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:50:35,601 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:50:35,601 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 17:50:35,612 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:50:35,612 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:50:35,612 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:50:35,612 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 17:50:35,613 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:50:35,613 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:50:35,613 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:50:35,613 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:50:35,613 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:50:35,614 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:50:35,614 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:50:35,614 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:50:35,614 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:50:35,614 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 17:50:35,614 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 17:50:35,614 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:50:35,614 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:50:35,614 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:50:35,614 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:50:35,615 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 17:50:35,615 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 17:50:35,615 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:50:35,615 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:50:35,615 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:50:35,615 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:50:35,615 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:50:35,615 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:50:35,615 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 17:50:35,615 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 17:50:35,616 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:50:35,616 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 17:50:35,616 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 17:50:35,616 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_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/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 -> c8e4dbe5a9ab518912f1108432d43f490ec977d7 [2018-12-08 17:50:35,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:50:35,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:50:35,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:50:35,652 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:50:35,652 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:50:35,653 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-12-08 17:50:35,693 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/data/af677f918/5f935abff55442f68f4998fc24b54210/FLAG55cddf1a6 [2018-12-08 17:50:36,003 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:50:36,003 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-12-08 17:50:36,007 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/data/af677f918/5f935abff55442f68f4998fc24b54210/FLAG55cddf1a6 [2018-12-08 17:50:36,016 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/data/af677f918/5f935abff55442f68f4998fc24b54210 [2018-12-08 17:50:36,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:50:36,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:50:36,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:50:36,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:50:36,021 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:50:36,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:50:36" (1/1) ... [2018-12-08 17:50:36,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284ba15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:36, skipping insertion in model container [2018-12-08 17:50:36,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:50:36" (1/1) ... [2018-12-08 17:50:36,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:50:36,044 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:50:36,146 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:50:36,149 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:50:36,165 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:50:36,179 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:50:36,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:36 WrapperNode [2018-12-08 17:50:36,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:50:36,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:50:36,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:50:36,180 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:50:36,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:36" (1/1) ... [2018-12-08 17:50:36,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:36" (1/1) ... [2018-12-08 17:50:36,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:50:36,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:50:36,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:50:36,204 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:50:36,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:36" (1/1) ... [2018-12-08 17:50:36,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:36" (1/1) ... [2018-12-08 17:50:36,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:36" (1/1) ... [2018-12-08 17:50:36,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:36" (1/1) ... [2018-12-08 17:50:36,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:36" (1/1) ... [2018-12-08 17:50:36,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:36" (1/1) ... [2018-12-08 17:50:36,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:36" (1/1) ... [2018-12-08 17:50:36,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:50:36,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:50:36,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:50:36,230 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:50:36,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/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 [2018-12-08 17:50:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-12-08 17:50:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-12-08 17:50:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:50:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 17:50:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:50:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:50:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 17:50:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 17:50:36,395 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:50:36,431 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:50:36,518 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:50:36,518 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 17:50:36,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:50:36 BoogieIcfgContainer [2018-12-08 17:50:36,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:50:36,518 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 17:50:36,519 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 17:50:36,525 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 17:50:36,525 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:50:36" (1/1) ... [2018-12-08 17:50:36,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:50:36,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:36,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-08 17:50:36,552 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-08 17:50:36,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 17:50:36,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:36,588 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 17:50:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:36,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:50:36,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:50:36,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-12-08 17:50:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-12-08 17:50:36,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 17:50:36,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:36,623 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 17:50:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:36,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:50:36,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:50:36,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:36,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-12-08 17:50:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-08 17:50:36,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 17:50:36,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:36,732 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 17:50:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:36,745 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:50:36,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:50:36,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:36,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-12-08 17:50:36,751 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-12-08 17:50:36,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 17:50:36,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:36,752 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 17:50:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:36,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:50:37,588 WARN L180 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 143 [2018-12-08 17:50:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:50:38,122 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-12-08 17:50:38,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:38,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 24 transitions. [2018-12-08 17:50:38,524 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-12-08 17:50:38,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 17:50:38,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:38,526 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 17:50:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:38,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:50:39,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 17:50:40,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:40,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 20 transitions. [2018-12-08 17:50:40,348 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-12-08 17:50:40,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 17:50:40,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:40,350 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 17:50:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:50:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:50:40,469 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-12-08 17:50:40,489 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 17:50:40,490 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 17:50:40,491 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 17:50:40,491 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 17:50:40,491 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 17:50:40,492 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 17:50:40,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 05:50:40 ImpRootNode [2018-12-08 17:50:40,495 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 17:50:40,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:50:40,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:50:40,496 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:50:40,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:50:36" (3/4) ... [2018-12-08 17:50:40,498 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 17:50:40,501 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 17:50:40,501 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 17:50:40,501 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 17:50:40,501 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 17:50:40,502 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 17:50:40,502 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 17:50:40,534 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b191d1f8-5a7f-400c-a3dc-c883f1a3b0d1/bin-2019/ukojak/witness.graphml [2018-12-08 17:50:40,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:50:40,534 INFO L168 Benchmark]: Toolchain (without parser) took 4516.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:40,535 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:50:40,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.82 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:40,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.37 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:40,536 INFO L168 Benchmark]: Boogie Preprocessor took 26.09 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:50:40,536 INFO L168 Benchmark]: RCFGBuilder took 288.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:40,537 INFO L168 Benchmark]: CodeCheck took 3977.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.4 MB). Peak memory consumption was 68.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:40,537 INFO L168 Benchmark]: Witness Printer took 38.07 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. [2018-12-08 17:50:40,542 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. UNSAFE Result, 3.9s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 10 SDslu, 10 SDs, 0 SdLazy, 416 SolverSat, 148 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 550 GetRequests, 515 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 3 QuantifiedInterpolants, 15171 SizeOfPredicates, 22 NumberOfNonLiveVariables, 222 ConjunctsInSsa, 45 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 - CounterExampleResult [Line: 79]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L73] float x = 0.0f; [L74] float y = -0.0f; [L44] CALL, EXPR __fpclassify_float(x) [L21] __uint32_t w; [L24] ieee_float_shape_type gf_u; [L25] gf_u.value = (x) [L26] EXPR gf_u.word [L26] (w) = gf_u.word [L29] COND TRUE w == 0x00000000 || w == 0x80000000 [L30] return 2; [L44] RET, EXPR __fpclassify_float(x) [L44] COND FALSE !(__fpclassify_float(x) == 0) [L48] CALL, EXPR __fpclassify_float(y) [L21] __uint32_t w; [L24] ieee_float_shape_type gf_u; [L25] gf_u.value = (x) [L26] EXPR gf_u.word [L26] (w) = gf_u.word [L29] COND TRUE w == 0x00000000 || w == 0x80000000 [L30] return 2; [L48] RET, EXPR __fpclassify_float(y) [L48] COND FALSE !(__fpclassify_float(y) == 0) [L51] EXPR x > y ? x : y [L51] return x > y ? x : y; [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 [L55] __uint32_t w; [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (w) = gf_u.word [L63] return (w & 0x80000000) != 0; [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 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 160.82 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.37 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.09 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 288.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 3977.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.4 MB). Peak memory consumption was 68.5 MB. Max. memory is 11.5 GB. * Witness Printer took 38.07 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE RESULT: Ultimate proved your program to be incorrect! Received shutdown request...