./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1032b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/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 7fdec7243d1dcfe44b7db1591097bb1f5b9c1d53 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/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 7fdec7243d1dcfe44b7db1591097bb1f5b9c1d53 .......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:59:26,197 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:59:26,199 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:59:26,205 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:59:26,205 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:59:26,206 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:59:26,207 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:59:26,208 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:59:26,209 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:59:26,210 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:59:26,210 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:59:26,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:59:26,211 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:59:26,212 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:59:26,213 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:59:26,213 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:59:26,213 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:59:26,215 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:59:26,216 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:59:26,217 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:59:26,218 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:59:26,218 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:59:26,220 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:59:26,221 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:59:26,221 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:59:26,221 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:59:26,222 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:59:26,223 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:59:26,223 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:59:26,224 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:59:26,225 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:59:26,225 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:59:26,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:59:26,225 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:59:26,226 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:59:26,227 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:59:26,227 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 07:59:26,238 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:59:26,238 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:59:26,238 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:59:26,239 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 07:59:26,239 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:59:26,239 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:59:26,239 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:59:26,239 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:59:26,240 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:59:26,240 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:59:26,240 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:59:26,241 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:59:26,241 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:59:26,241 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:59:26,241 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:59:26,241 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:59:26,241 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:59:26,242 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:59:26,242 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 07:59:26,242 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 07:59:26,242 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:59:26,242 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:59:26,242 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 07:59:26,242 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:59:26,243 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:59:26,243 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:59:26,243 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 07:59:26,243 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:59:26,243 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:59:26,243 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_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/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 -> 7fdec7243d1dcfe44b7db1591097bb1f5b9c1d53 [2018-11-23 07:59:26,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:59:26,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:59:26,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:59:26,280 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:59:26,281 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:59:26,281 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1032b_true-unreach-call.c [2018-11-23 07:59:26,325 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/data/41affd6e5/291aefcc58b842b28502e608f1bfd3d1/FLAGef4209c0f [2018-11-23 07:59:26,739 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:59:26,740 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/sv-benchmarks/c/float-newlib/float_req_bl_1032b_true-unreach-call.c [2018-11-23 07:59:26,744 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/data/41affd6e5/291aefcc58b842b28502e608f1bfd3d1/FLAGef4209c0f [2018-11-23 07:59:26,756 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/data/41affd6e5/291aefcc58b842b28502e608f1bfd3d1 [2018-11-23 07:59:26,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:59:26,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:59:26,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:59:26,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:59:26,764 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:59:26,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:59:26" (1/1) ... [2018-11-23 07:59:26,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3438b8ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:26, skipping insertion in model container [2018-11-23 07:59:26,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:59:26" (1/1) ... [2018-11-23 07:59:26,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:59:26,794 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:59:26,906 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:59:26,908 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:59:26,925 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:59:26,940 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:59:26,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:26 WrapperNode [2018-11-23 07:59:26,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:59:26,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:59:26,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:59:26,941 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:59:26,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:26" (1/1) ... [2018-11-23 07:59:26,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:26" (1/1) ... [2018-11-23 07:59:27,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:59:27,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:59:27,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:59:27,008 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:59:27,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:26" (1/1) ... [2018-11-23 07:59:27,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:26" (1/1) ... [2018-11-23 07:59:27,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:26" (1/1) ... [2018-11-23 07:59:27,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:26" (1/1) ... [2018-11-23 07:59:27,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:26" (1/1) ... [2018-11-23 07:59:27,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:26" (1/1) ... [2018-11-23 07:59:27,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:26" (1/1) ... [2018-11-23 07:59:27,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:59:27,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:59:27,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:59:27,027 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:59:27,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 07:59:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 07:59:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 07:59:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 07:59:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:59:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:59:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:59:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 07:59:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:59:27,272 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:59:27,273 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-23 07:59:27,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:59:27 BoogieIcfgContainer [2018-11-23 07:59:27,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:59:27,274 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 07:59:27,274 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 07:59:27,281 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 07:59:27,281 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:59:27" (1/1) ... [2018-11-23 07:59:27,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:59:27,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:59:27,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-11-23 07:59:27,312 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-11-23 07:59:27,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 07:59:27,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:59:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:59:27,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:59:27,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:59:27,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-23 07:59:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-23 07:59:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 07:59:27,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:59:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:59:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:59:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:59:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:59:27,473 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := ~someUnaryFLOAToperation(0.0);round_float_#in~x := main_~x~0;havoc round_float_#res;havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0.base, round_float_~#sf_u~0.offset, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0;round_float_~x := round_float_#in~x;havoc round_float_~w~0;havoc round_float_~exponent_less_127~0; VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=0.0] [?] call round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(round_float_~x, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4);call round_float_#t~mem0 := read~int(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4);round_float_~w~0 := round_float_#t~mem0;call write~real(round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4);havoc round_float_#t~mem0;havoc round_float_#t~union1;call ULTIMATE.dealloc(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset);havoc round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset; VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=0.0] [?] goto; VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=0.0] [?] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=0.0] [?] assume !(round_float_~exponent_less_127~0 < 23);BeginParallelComposition{ParallelCodeBlock0: assume 128 == round_float_~exponent_less_127~0;round_float_#res := ~someBinaryArithmeticFLOAToperation(round_float_~x, round_float_~x);ParallelCodeBlock1: assume !(128 == round_float_~exponent_less_127~0);round_float_#res := round_float_~x;}EndParallelComposition VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=0.0, |ULTIMATE.start_round_float_#res|=0.0] [?] main_#t~ret6 := round_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~short8|=false, |ULTIMATE.start_round_float_#in~x|=0.0, |ULTIMATE.start_round_float_#res|=0.0] [?] assume !main_#t~short8; VAL [ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~short8|=false, |ULTIMATE.start_round_float_#in~x|=0.0, |ULTIMATE.start_round_float_#res|=0.0] [?] assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; VAL [ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=0.0, |ULTIMATE.start_round_float_#res|=0.0] [?] assume !false; VAL [ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=0.0, |ULTIMATE.start_round_float_#res|=0.0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0; [L75] main_~x~0 := ~someUnaryFLOAToperation(0.0); [L76] round_float_#in~x := main_~x~0; [L76] havoc round_float_#res; [L76] havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0.base, round_float_~#sf_u~0.offset, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0; [L12-L53] round_float_~x := round_float_#in~x; [L13] havoc round_float_~w~0; [L15] havoc round_float_~exponent_less_127~0; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~x=0.0] [L18] call round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset := #Ultimate.alloc(4); [L19] call write~real(round_float_~x, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L20] call round_float_#t~mem0 := read~int(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L20] round_float_~w~0 := round_float_#t~mem0; [L20] call write~real(round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L20] havoc round_float_#t~mem0; [L20] havoc round_float_#t~union1; [L18] call ULTIMATE.dealloc(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset); [L18] havoc round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~w~0=3, round_float_~x=0.0] [L23] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L25-L46] assume !(round_float_~exponent_less_127~0 < 23); [L41-L45] assume !(128 == round_float_~exponent_less_127~0); [L45] round_float_#res := round_float_~x; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L76] main_#t~ret6 := round_float_#res; [L76] main_~res~0 := main_#t~ret6; [L76] havoc main_#t~ret6; [L79] main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79] assume !main_#t~short8; VAL [#NULL.base=0, #NULL.offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79-L82] assume !main_#t~short8; [L79] havoc main_#t~ret7; [L79] havoc main_#t~short8; VAL [#NULL.base=0, #NULL.offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L80] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0; [L75] main_~x~0 := ~someUnaryFLOAToperation(0.0); [L76] round_float_#in~x := main_~x~0; [L76] havoc round_float_#res; [L76] havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0.base, round_float_~#sf_u~0.offset, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0; [L12-L53] round_float_~x := round_float_#in~x; [L13] havoc round_float_~w~0; [L15] havoc round_float_~exponent_less_127~0; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~x=0.0] [L18] call round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset := #Ultimate.alloc(4); [L19] call write~real(round_float_~x, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L20] call round_float_#t~mem0 := read~int(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L20] round_float_~w~0 := round_float_#t~mem0; [L20] call write~real(round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L20] havoc round_float_#t~mem0; [L20] havoc round_float_#t~union1; [L18] call ULTIMATE.dealloc(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset); [L18] havoc round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~w~0=3, round_float_~x=0.0] [L23] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L25-L46] assume !(round_float_~exponent_less_127~0 < 23); [L41-L45] assume !(128 == round_float_~exponent_less_127~0); [L45] round_float_#res := round_float_~x; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L76] main_#t~ret6 := round_float_#res; [L76] main_~res~0 := main_#t~ret6; [L76] havoc main_#t~ret6; [L79] main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79] assume !main_#t~short8; VAL [#NULL.base=0, #NULL.offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79-L82] assume !main_#t~short8; [L79] havoc main_#t~ret7; [L79] havoc main_#t~short8; VAL [#NULL.base=0, #NULL.offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L80] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0; [L75] main_~x~0 := ~someUnaryFLOAToperation(0.0); [L76] round_float_#in~x := main_~x~0; [L76] havoc round_float_#res; [L76] havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0; [L12-L53] round_float_~x := round_float_#in~x; [L13] havoc round_float_~w~0; [L15] havoc round_float_~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~x=0.0] [L18] FCALL call round_float_~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(round_float_~x, { base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L20] FCALL call round_float_#t~mem0 := read~int({ base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L20] round_float_~w~0 := round_float_#t~mem0; [L20] FCALL call write~real(round_float_#t~union1, { base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L20] havoc round_float_#t~mem0; [L20] havoc round_float_#t~union1; [L18] FCALL call ULTIMATE.dealloc(round_float_~#gf_u~0); [L18] havoc round_float_~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~w~0=3, round_float_~x=0.0] [L23] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L25] COND FALSE !(round_float_~exponent_less_127~0 < 23) [L41] COND FALSE !(128 == round_float_~exponent_less_127~0) [L45] round_float_#res := round_float_~x; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L76] main_#t~ret6 := round_float_#res; [L76] main_~res~0 := main_#t~ret6; [L76] havoc main_#t~ret6; [L79] main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79] COND FALSE !(main_#t~short8) VAL [#NULL!base=0, #NULL!offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79] COND TRUE !main_#t~short8 [L79] havoc main_#t~ret7; [L79] havoc main_#t~short8; VAL [#NULL!base=0, #NULL!offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L80] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0; [L75] main_~x~0 := ~someUnaryFLOAToperation(0.0); [L76] round_float_#in~x := main_~x~0; [L76] havoc round_float_#res; [L76] havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0; [L12-L53] round_float_~x := round_float_#in~x; [L13] havoc round_float_~w~0; [L15] havoc round_float_~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~x=0.0] [L18] FCALL call round_float_~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(round_float_~x, { base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L20] FCALL call round_float_#t~mem0 := read~int({ base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L20] round_float_~w~0 := round_float_#t~mem0; [L20] FCALL call write~real(round_float_#t~union1, { base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L20] havoc round_float_#t~mem0; [L20] havoc round_float_#t~union1; [L18] FCALL call ULTIMATE.dealloc(round_float_~#gf_u~0); [L18] havoc round_float_~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~w~0=3, round_float_~x=0.0] [L23] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L25] COND FALSE !(round_float_~exponent_less_127~0 < 23) [L41] COND FALSE !(128 == round_float_~exponent_less_127~0) [L45] round_float_#res := round_float_~x; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L76] main_#t~ret6 := round_float_#res; [L76] main_~res~0 := main_#t~ret6; [L76] havoc main_#t~ret6; [L79] main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79] COND FALSE !(main_#t~short8) VAL [#NULL!base=0, #NULL!offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79] COND TRUE !main_#t~short8 [L79] havoc main_#t~ret7; [L79] havoc main_#t~short8; VAL [#NULL!base=0, #NULL!offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L80] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L75] ~x~0 := ~someUnaryFLOAToperation(0.0); [L12-L53] ~x := #in~x; [L13] havoc ~w~0; [L15] havoc ~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0] [L18] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] ~w~0 := #t~mem0; [L20] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] havoc #t~mem0; [L20] havoc #t~union1; [L18] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L18] havoc ~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0] [L23] ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL!base=0, #NULL!offset=0] [L25] COND FALSE !(~exponent_less_127~0 < 23) [L41] COND FALSE !(128 == ~exponent_less_127~0) [L45] #res := ~x; VAL [#NULL!base=0, #NULL!offset=0] [L76] ~res~0 := #t~ret6; [L76] havoc #t~ret6; [L79] #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0] [L79] COND FALSE !(#t~short8) VAL [#NULL!base=0, #NULL!offset=0] [L79] COND TRUE !#t~short8 [L79] havoc #t~ret7; [L79] havoc #t~short8; VAL [#NULL!base=0, #NULL!offset=0] [L80] assert false; VAL [#NULL!base=0, #NULL!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L75] ~x~0 := ~someUnaryFLOAToperation(0.0); [L12-L53] ~x := #in~x; [L13] havoc ~w~0; [L15] havoc ~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0] [L18] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] ~w~0 := #t~mem0; [L20] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] havoc #t~mem0; [L20] havoc #t~union1; [L18] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L18] havoc ~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0] [L23] ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL!base=0, #NULL!offset=0] [L25] COND FALSE !(~exponent_less_127~0 < 23) [L41] COND FALSE !(128 == ~exponent_less_127~0) [L45] #res := ~x; VAL [#NULL!base=0, #NULL!offset=0] [L76] ~res~0 := #t~ret6; [L76] havoc #t~ret6; [L79] #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0] [L79] COND FALSE !(#t~short8) VAL [#NULL!base=0, #NULL!offset=0] [L79] COND TRUE !#t~short8 [L79] havoc #t~ret7; [L79] havoc #t~short8; VAL [#NULL!base=0, #NULL!offset=0] [L80] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L75] float x = -0.0f; [L13] __uint32_t w; [L15] int exponent_less_127; [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (w) = gf_u.word [L23] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 [L25] COND FALSE !(exponent_less_127 < 23) [L41] COND FALSE !(exponent_less_127 == 128) [L45] return x; [L76] float res = round_float(x); [L79] EXPR res == -0.0f && __signbit_float(res) == 1 [L79] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L80] __VERIFIER_error() ----- [2018-11-23 07:59:27,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 07:59:27 ImpRootNode [2018-11-23 07:59:27,502 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 07:59:27,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:59:27,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:59:27,503 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:59:27,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:59:27" (3/4) ... [2018-11-23 07:59:27,507 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 07:59:27,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:59:27,507 INFO L168 Benchmark]: Toolchain (without parser) took 747.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 958.1 MB in the beginning and 1.0 GB in the end (delta: -89.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:59:27,509 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:59:27,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.09 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 944.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:59:27,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:59:27,511 INFO L168 Benchmark]: Boogie Preprocessor took 18.25 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. [2018-11-23 07:59:27,511 INFO L168 Benchmark]: RCFGBuilder took 246.66 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: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:59:27,512 INFO L168 Benchmark]: CodeCheck took 228.94 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:59:27,513 INFO L168 Benchmark]: Witness Printer took 4.13 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:59:27,517 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: 15 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 55 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of bitwiseAnd at line 23, overapproximation of someUnaryFLOAToperation at line 75, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L75] float x = -0.0f; [L13] __uint32_t w; [L15] int exponent_less_127; [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (w) = gf_u.word [L23] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 [L25] COND FALSE !(exponent_less_127 < 23) [L41] COND FALSE !(exponent_less_127 == 128) [L45] return x; [L76] float res = round_float(x); [L79] EXPR res == -0.0f && __signbit_float(res) == 1 [L79] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L80] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 180.09 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 944.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.25 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 246.66 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: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * CodeCheck took 228.94 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.13 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 07:59:28,962 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:59:28,964 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:59:28,972 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-11-23 07:59:28,986 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:59:28,986 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:59:28,987 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:59:28,988 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:59:28,988 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:59:28,989 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:59:28,989 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:59:28,990 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:59:28,990 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:59:28,990 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:59:28,990 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:59:28,991 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:59:28,991 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:59:28,992 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 07:59:29,001 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:59:29,002 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:59:29,002 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:59:29,002 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 07:59:29,003 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:59:29,003 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:59:29,003 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:59:29,003 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:59:29,004 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:59:29,004 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:59:29,004 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:59:29,004 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:59:29,004 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:59:29,004 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 07:59:29,004 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 07:59:29,004 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:59:29,005 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:59:29,005 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:59:29,005 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:59:29,005 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 07:59:29,005 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 07:59:29,005 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:59:29,005 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:59:29,006 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 07:59:29,006 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:59:29,006 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:59:29,006 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:59:29,006 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 07:59:29,006 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 07:59:29,006 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:59:29,007 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 07:59:29,007 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 07:59:29,007 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_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/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 -> 7fdec7243d1dcfe44b7db1591097bb1f5b9c1d53 [2018-11-23 07:59:29,036 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:59:29,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:59:29,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:59:29,051 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:59:29,051 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:59:29,052 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1032b_true-unreach-call.c [2018-11-23 07:59:29,094 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/data/4909b90ad/ed2ee16b94c343fc821b0046e793f4a9/FLAGf70b12367 [2018-11-23 07:59:29,492 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:59:29,492 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/sv-benchmarks/c/float-newlib/float_req_bl_1032b_true-unreach-call.c [2018-11-23 07:59:29,496 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/data/4909b90ad/ed2ee16b94c343fc821b0046e793f4a9/FLAGf70b12367 [2018-11-23 07:59:29,506 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/data/4909b90ad/ed2ee16b94c343fc821b0046e793f4a9 [2018-11-23 07:59:29,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:59:29,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:59:29,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:59:29,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:59:29,512 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:59:29,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:59:29" (1/1) ... [2018-11-23 07:59:29,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2129d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:29, skipping insertion in model container [2018-11-23 07:59:29,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:59:29" (1/1) ... [2018-11-23 07:59:29,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:59:29,543 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:59:29,675 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:59:29,678 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:59:29,700 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:59:29,716 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:59:29,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:29 WrapperNode [2018-11-23 07:59:29,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:59:29,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:59:29,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:59:29,717 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:59:29,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:29" (1/1) ... [2018-11-23 07:59:29,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:29" (1/1) ... [2018-11-23 07:59:29,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:59:29,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:59:29,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:59:29,746 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:59:29,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:29" (1/1) ... [2018-11-23 07:59:29,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:29" (1/1) ... [2018-11-23 07:59:29,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:29" (1/1) ... [2018-11-23 07:59:29,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:29" (1/1) ... [2018-11-23 07:59:29,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:29" (1/1) ... [2018-11-23 07:59:29,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:29" (1/1) ... [2018-11-23 07:59:29,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:29" (1/1) ... [2018-11-23 07:59:29,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:59:29,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:59:29,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:59:29,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:59:29,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 07:59:29,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 07:59:29,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:59:29,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 07:59:29,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:59:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:59:29,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 07:59:29,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 07:59:29,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:59:30,087 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:59:30,087 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-23 07:59:30,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:59:30 BoogieIcfgContainer [2018-11-23 07:59:30,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:59:30,088 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 07:59:30,088 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 07:59:30,097 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 07:59:30,097 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:59:30" (1/1) ... [2018-11-23 07:59:30,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:59:30,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:59:30,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-11-23 07:59:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-11-23 07:59:30,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 07:59:30,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:59:30,159 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 07:59:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:59:30,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:59:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:59:30,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:59:30,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-23 07:59:30,196 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-23 07:59:30,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 07:59:30,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:59:30,198 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 07:59:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:59:30,211 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:59:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:59:30,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:59:30,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-11-23 07:59:30,371 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-11-23 07:59:30,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 07:59:30,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:59:30,373 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 07:59:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:59:30,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:59:30,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:59:30,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:59:30,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2018-11-23 07:59:30,848 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-11-23 07:59:30,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 07:59:30,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:59:30,849 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 07:59:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:59:30,863 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:59:30,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:59:30,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:59:30,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2018-11-23 07:59:30,868 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-11-23 07:59:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 07:59:30,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:59:30,870 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 07:59:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:59:30,882 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:59:30,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:59:30,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:59:30,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2018-11-23 07:59:30,887 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-11-23 07:59:30,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 07:59:30,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:59:30,888 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 07:59:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:59:30,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:59:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:59:31,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:59:31,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2018-11-23 07:59:31,506 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-11-23 07:59:31,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 07:59:31,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:59:31,508 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 07:59:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:59:31,535 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:59:31,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:59:31,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:59:31,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2018-11-23 07:59:31,949 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-11-23 07:59:31,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:59:31,949 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-23 07:59:31,955 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 07:59:31,993 INFO L579 CodeCheckObserver]: Invariant with dag size 4 [2018-11-23 07:59:31,999 INFO L579 CodeCheckObserver]: Invariant with dag size 4 [2018-11-23 07:59:31,999 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:59:32,000 INFO L579 CodeCheckObserver]: Invariant with dag size 8 [2018-11-23 07:59:32,000 INFO L579 CodeCheckObserver]: Invariant with dag size 4 [2018-11-23 07:59:32,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 07:59:32 ImpRootNode [2018-11-23 07:59:32,001 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 07:59:32,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:59:32,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:59:32,002 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:59:32,002 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:59:30" (3/4) ... [2018-11-23 07:59:32,005 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:59:32,012 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-23 07:59:32,012 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:59:32,012 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:59:32,030 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2018-11-23 07:59:32,047 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9d7d2021-94b4-4f0d-9ea1-13cfb204b182/bin-2019/ukojak/witness.graphml [2018-11-23 07:59:32,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:59:32,048 INFO L168 Benchmark]: Toolchain (without parser) took 2540.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 948.7 MB in the beginning and 882.4 MB in the end (delta: 66.3 MB). Peak memory consumption was 190.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:59:32,050 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:59:32,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.36 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:59:32,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.69 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:59:32,050 INFO L168 Benchmark]: Boogie Preprocessor took 26.92 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:59:32,050 INFO L168 Benchmark]: RCFGBuilder took 315.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:59:32,051 INFO L168 Benchmark]: CodeCheck took 1912.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 889.1 MB in the end (delta: 204.5 MB). Peak memory consumption was 204.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:59:32,051 INFO L168 Benchmark]: Witness Printer took 46.52 ms. Allocated memory is still 1.2 GB. Free memory was 889.1 MB in the beginning and 882.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:59:32,052 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, 1.8s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1340 SDtfs, 450 SDslu, 332 SDs, 0 SdLazy, 1864 SolverSat, 522 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 651 GetRequests, 607 SyntacticMatches, 6 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 75 ConstructedInterpolants, 1 QuantifiedInterpolants, 3824 SizeOfPredicates, 31 NumberOfNonLiveVariables, 207 ConjunctsInSsa, 45 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: 80]: 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: 17]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 58]: 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 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 207.36 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.69 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.92 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 315.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * CodeCheck took 1912.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 889.1 MB in the end (delta: 204.5 MB). Peak memory consumption was 204.5 MB. Max. memory is 11.5 GB. * Witness Printer took 46.52 ms. Allocated memory is still 1.2 GB. Free memory was 889.1 MB in the beginning and 882.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...