./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-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_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/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 e16d2ad47f8069122c38404dcdf9504ef10df900 .............................................................................................................................................................................................................................. 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_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/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 e16d2ad47f8069122c38404dcdf9504ef10df900 ................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:12:00,239 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:12:00,240 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:12:00,246 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:12:00,247 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:12:00,247 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:12:00,248 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:12:00,248 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:12:00,249 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:12:00,250 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:12:00,250 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:12:00,250 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:12:00,251 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:12:00,251 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:12:00,252 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:12:00,252 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:12:00,252 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:12:00,253 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:12:00,254 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:12:00,255 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:12:00,255 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:12:00,256 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:12:00,257 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:12:00,257 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:12:00,257 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:12:00,258 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:12:00,258 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:12:00,259 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:12:00,259 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:12:00,260 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:12:00,260 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:12:00,260 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:12:00,260 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:12:00,260 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:12:00,261 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:12:00,261 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:12:00,261 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 12:12:00,268 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:12:00,269 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:12:00,269 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:12:00,269 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 12:12:00,270 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:12:00,270 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:12:00,270 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:12:00,270 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:12:00,270 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:12:00,270 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:12:00,270 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:12:00,270 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:12:00,271 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:12:00,271 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:12:00,271 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:12:00,271 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:12:00,271 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:12:00,271 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:12:00,271 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 12:12:00,272 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 12:12:00,272 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:12:00,272 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:12:00,272 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:12:00,272 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:12:00,272 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:12:00,272 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:12:00,272 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 12:12:00,273 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:12:00,273 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:12:00,273 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_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/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 -> e16d2ad47f8069122c38404dcdf9504ef10df900 [2018-12-08 12:12:00,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:12:00,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:12:00,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:12:00,301 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:12:00,301 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:12:00,301 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-12-08 12:12:00,339 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/data/1bcebdf45/0e1e301703384599af5ca1df5381eeaa/FLAG5ec28cfa1 [2018-12-08 12:12:00,745 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:12:00,745 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-12-08 12:12:00,749 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/data/1bcebdf45/0e1e301703384599af5ca1df5381eeaa/FLAG5ec28cfa1 [2018-12-08 12:12:00,757 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/data/1bcebdf45/0e1e301703384599af5ca1df5381eeaa [2018-12-08 12:12:00,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:12:00,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:12:00,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:12:00,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:12:00,763 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:12:00,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:12:00" (1/1) ... [2018-12-08 12:12:00,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5d01e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:00, skipping insertion in model container [2018-12-08 12:12:00,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:12:00" (1/1) ... [2018-12-08 12:12:00,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:12:00,786 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:12:00,884 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:12:00,885 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:12:00,900 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:12:00,911 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:12:00,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:00 WrapperNode [2018-12-08 12:12:00,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:12:00,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:12:00,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:12:00,912 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:12:00,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:00" (1/1) ... [2018-12-08 12:12:00,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:00" (1/1) ... [2018-12-08 12:12:00,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:12:00,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:12:00,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:12:00,966 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:12:00,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:00" (1/1) ... [2018-12-08 12:12:00,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:00" (1/1) ... [2018-12-08 12:12:00,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:00" (1/1) ... [2018-12-08 12:12:00,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:00" (1/1) ... [2018-12-08 12:12:00,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:00" (1/1) ... [2018-12-08 12:12:00,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:00" (1/1) ... [2018-12-08 12:12:00,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:00" (1/1) ... [2018-12-08 12:12:00,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:12:00,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:12:00,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:12:00,983 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:12:00,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/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 12:12:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 12:12:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 12:12:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 12:12:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:12:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:12:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:12:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 12:12:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 12:12:01,144 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:12:01,144 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-08 12:12:01,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:12:01 BoogieIcfgContainer [2018-12-08 12:12:01,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:12:01,145 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 12:12:01,145 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 12:12:01,151 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 12:12:01,152 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:12:01" (1/1) ... [2018-12-08 12:12:01,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:12:01,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:12:01,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-12-08 12:12:01,178 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-12-08 12:12:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 12:12:01,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:12:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:12:01,236 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 12:12:01,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:12:01,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-12-08 12:12:01,241 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-12-08 12:12:01,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 12:12:01,242 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:12:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:12:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:12:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:12:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:12:01,320 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-08 12:12:01,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 12:12:01 ImpRootNode [2018-12-08 12:12:01,336 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 12:12:01,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:12:01,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:12:01,336 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:12:01,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:12:01" (3/4) ... [2018-12-08 12:12:01,339 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 12:12:01,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:12:01,340 INFO L168 Benchmark]: Toolchain (without parser) took 580.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -87.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:12:01,341 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:12:01,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.32 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:12:01,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -139.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:12:01,342 INFO L168 Benchmark]: Boogie Preprocessor took 16.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:12:01,342 INFO L168 Benchmark]: RCFGBuilder took 162.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:12:01,342 INFO L168 Benchmark]: CodeCheck took 190.91 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-08 12:12:01,343 INFO L168 Benchmark]: Witness Printer took 2.91 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 12:12:01,344 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 1 procedures, 25 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 60 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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: 67]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseAnd at line 19, overapproximation of someUnaryFLOAToperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L62] float x = -0.0f; [L13] __int32_t signbit, w, exponent_less_127; [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (w) = gf_u.word [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L21] COND FALSE !(exponent_less_127 < 23) [L37] COND TRUE exponent_less_127 == 255 [L38] return x + x; [L63] float res = trunc_float(x); [L66] EXPR res == -0.0f && __signbit_float(res) == 1 [L66] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L67] __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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 151.32 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -139.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 162.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 190.91 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.91 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 12:12:02,639 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:12:02,640 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:12:02,645 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:12:02,646 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:12:02,646 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:12:02,647 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:12:02,647 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:12:02,648 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:12:02,648 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:12:02,649 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:12:02,649 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:12:02,649 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:12:02,650 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:12:02,650 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:12:02,651 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:12:02,651 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:12:02,652 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:12:02,653 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:12:02,654 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:12:02,654 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:12:02,655 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:12:02,656 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:12:02,656 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:12:02,656 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:12:02,656 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:12:02,657 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:12:02,657 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:12:02,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:12:02,658 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:12:02,658 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:12:02,658 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:12:02,658 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:12:02,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:12:02,659 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:12:02,659 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:12:02,659 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 12:12:02,666 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:12:02,667 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:12:02,667 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:12:02,667 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 12:12:02,667 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:12:02,668 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:12:02,668 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:12:02,668 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:12:02,668 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:12:02,668 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:12:02,668 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:12:02,668 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:12:02,668 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:12:02,668 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 12:12:02,668 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 12:12:02,668 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:12:02,668 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:12:02,669 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:12:02,669 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:12:02,669 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 12:12:02,669 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 12:12:02,669 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:12:02,669 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:12:02,669 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:12:02,669 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:12:02,669 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:12:02,669 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:12:02,669 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 12:12:02,669 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 12:12:02,669 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:12:02,670 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 12:12:02,670 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 12:12:02,670 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_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/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 -> e16d2ad47f8069122c38404dcdf9504ef10df900 [2018-12-08 12:12:02,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:12:02,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:12:02,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:12:02,697 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:12:02,697 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:12:02,697 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-12-08 12:12:02,732 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/data/04b2f2d17/08d28a0b7a6343599685fe805597fb72/FLAG569623ced [2018-12-08 12:12:03,062 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:12:03,063 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-12-08 12:12:03,067 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/data/04b2f2d17/08d28a0b7a6343599685fe805597fb72/FLAG569623ced [2018-12-08 12:12:03,464 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/data/04b2f2d17/08d28a0b7a6343599685fe805597fb72 [2018-12-08 12:12:03,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:12:03,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:12:03,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:12:03,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:12:03,471 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:12:03,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:12:03" (1/1) ... [2018-12-08 12:12:03,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cdf8e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:03, skipping insertion in model container [2018-12-08 12:12:03,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:12:03" (1/1) ... [2018-12-08 12:12:03,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:12:03,491 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:12:03,592 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:12:03,595 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:12:03,612 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:12:03,626 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:12:03,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:03 WrapperNode [2018-12-08 12:12:03,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:12:03,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:12:03,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:12:03,627 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:12:03,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:03" (1/1) ... [2018-12-08 12:12:03,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:03" (1/1) ... [2018-12-08 12:12:03,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:12:03,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:12:03,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:12:03,652 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:12:03,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:03" (1/1) ... [2018-12-08 12:12:03,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:03" (1/1) ... [2018-12-08 12:12:03,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:03" (1/1) ... [2018-12-08 12:12:03,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:03" (1/1) ... [2018-12-08 12:12:03,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:03" (1/1) ... [2018-12-08 12:12:03,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:03" (1/1) ... [2018-12-08 12:12:03,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:03" (1/1) ... [2018-12-08 12:12:03,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:12:03,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:12:03,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:12:03,672 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:12:03,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:12:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/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 12:12:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:12:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 12:12:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:12:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:12:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 12:12:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-08 12:12:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 12:12:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 12:12:03,824 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 12:12:03,842 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 12:12:03,921 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:12:03,921 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-08 12:12:03,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:12:03 BoogieIcfgContainer [2018-12-08 12:12:03,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:12:03,922 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 12:12:03,922 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 12:12:03,928 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 12:12:03,929 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:12:03" (1/1) ... [2018-12-08 12:12:03,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:12:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:12:03,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-12-08 12:12:03,954 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-12-08 12:12:03,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 12:12:03,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:12:03,987 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:12:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:12:04,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:12:04,012 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 12:12:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:12:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-12-08 12:12:04,018 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-12-08 12:12:04,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 12:12:04,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:12:04,019 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:12:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:12:04,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:12:04,084 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 12:12:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:12:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-12-08 12:12:04,272 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-12-08 12:12:04,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 12:12:04,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:12:04,273 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:12:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:12:04,284 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:12:04,343 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 12:12:04,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:12:04,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2018-12-08 12:12:04,825 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2018-12-08 12:12:04,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 12:12:04,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:12:04,826 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:12:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:12:04,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:12:04,836 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 12:12:04,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:12:04,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2018-12-08 12:12:04,838 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2018-12-08 12:12:04,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 12:12:04,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:12:04,839 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:12:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:12:04,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:12:04,973 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 12:12:05,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:12:05,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2018-12-08 12:12:05,567 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-12-08 12:12:05,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 12:12:05,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:12:05,568 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:12:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:12:05,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:12:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:12:07,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:12:07,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-12-08 12:12:07,361 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-12-08 12:12:07,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 12:12:07,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:12:07,363 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:12:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:12:07,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:12:07,766 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 12:12:09,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:12:09,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2018-12-08 12:12:09,934 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-12-08 12:12:09,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 12:12:09,934 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-12-08 12:12:09,941 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 12:12:09,980 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:12:09,982 INFO L583 CodeCheckObserver]: Invariant with dag size 4 [2018-12-08 12:12:09,986 INFO L583 CodeCheckObserver]: Invariant with dag size 8 [2018-12-08 12:12:09,987 INFO L583 CodeCheckObserver]: Invariant with dag size 14 [2018-12-08 12:12:09,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:09,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:09,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:09,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:09,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:09,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:09,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:09,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:09,991 INFO L583 CodeCheckObserver]: Invariant with dag size 4 [2018-12-08 12:12:09,991 INFO L583 CodeCheckObserver]: Invariant with dag size 4 [2018-12-08 12:12:09,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 12:12:09 ImpRootNode [2018-12-08 12:12:09,992 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 12:12:09,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:12:09,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:12:09,992 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:12:09,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:12:03" (3/4) ... [2018-12-08 12:12:09,995 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 12:12:10,000 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-12-08 12:12:10,000 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 12:12:10,001 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 12:12:10,016 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && signbit == ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0)) [2018-12-08 12:12:10,016 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2018-12-08 12:12:10,032 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9f3d14e3-5a8c-43a4-b34a-f4e3c3c41585/bin-2019/ukojak/witness.graphml [2018-12-08 12:12:10,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:12:10,033 INFO L168 Benchmark]: Toolchain (without parser) took 6566.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -93.7 MB). Peak memory consumption was 105.0 MB. Max. memory is 11.5 GB. [2018-12-08 12:12:10,034 INFO L168 Benchmark]: CDTParser took 0.13 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 12:12:10,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.95 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:12:10,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.08 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 12:12:10,034 INFO L168 Benchmark]: Boogie Preprocessor took 19.73 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 12:12:10,035 INFO L168 Benchmark]: RCFGBuilder took 250.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:12:10,035 INFO L168 Benchmark]: CodeCheck took 6069.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.0 MB). Peak memory consumption was 123.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:12:10,035 INFO L168 Benchmark]: Witness Printer took 40.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-12-08 12:12:10,037 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 1 procedures, 25 locations, 1 error locations. SAFE Result, 5.9s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1132 SDtfs, 478 SDslu, 260 SDs, 0 SdLazy, 2058 SolverSat, 464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 687 GetRequests, 615 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1646 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 78 ConstructedInterpolants, 13 QuantifiedInterpolants, 4301 SizeOfPredicates, 30 NumberOfNonLiveVariables, 229 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 - PositiveResult [Line: 67]: 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: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 24]: Loop Invariant [2018-12-08 12:12:10,039 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:10,039 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:10,039 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:10,039 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:10,039 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:10,039 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:10,040 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 12:12:10,040 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && signbit == ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0)) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) * 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 158.95 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.08 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 19.73 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 250.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 6069.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.0 MB). Peak memory consumption was 123.3 MB. Max. memory is 11.5 GB. * Witness Printer took 40.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] RESULT: Ultimate proved your program to be correct! Received shutdown request...