./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/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 cbf38875841624eee0d839935b3b6d34a59b0b20 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/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 cbf38875841624eee0d839935b3b6d34a59b0b20 .................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:13:07,186 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:13:07,187 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:13:07,195 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:13:07,195 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:13:07,196 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:13:07,197 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:13:07,198 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:13:07,199 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:13:07,199 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:13:07,200 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:13:07,200 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:13:07,201 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:13:07,202 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:13:07,202 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:13:07,203 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:13:07,204 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:13:07,205 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:13:07,206 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:13:07,207 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:13:07,208 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:13:07,209 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:13:07,210 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:13:07,210 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:13:07,211 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:13:07,211 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:13:07,212 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:13:07,212 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:13:07,213 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:13:07,214 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:13:07,214 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:13:07,215 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:13:07,215 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:13:07,215 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:13:07,216 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:13:07,216 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:13:07,216 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 08:13:07,227 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:13:07,227 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:13:07,228 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:13:07,228 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 08:13:07,228 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:13:07,228 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:13:07,228 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:13:07,229 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:13:07,229 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:13:07,229 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:13:07,229 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:13:07,229 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:13:07,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:13:07,229 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:13:07,230 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:13:07,230 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:13:07,230 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:13:07,230 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:13:07,230 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 08:13:07,230 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 08:13:07,230 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:13:07,231 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:13:07,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 08:13:07,231 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:13:07,231 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:13:07,231 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:13:07,231 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 08:13:07,231 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:13:07,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:13:07,232 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_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/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 -> cbf38875841624eee0d839935b3b6d34a59b0b20 [2018-11-23 08:13:07,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:13:07,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:13:07,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:13:07,272 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:13:07,272 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:13:07,273 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c [2018-11-23 08:13:07,313 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/data/4fdadee06/493786e508d84be39e86ed018da03224/FLAG9ceef44a9 [2018-11-23 08:13:07,645 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:13:07,645 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c [2018-11-23 08:13:07,651 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/data/4fdadee06/493786e508d84be39e86ed018da03224/FLAG9ceef44a9 [2018-11-23 08:13:08,073 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/data/4fdadee06/493786e508d84be39e86ed018da03224 [2018-11-23 08:13:08,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:13:08,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:13:08,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:13:08,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:13:08,079 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:13:08,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:08" (1/1) ... [2018-11-23 08:13:08,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f48b0ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:08, skipping insertion in model container [2018-11-23 08:13:08,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:08" (1/1) ... [2018-11-23 08:13:08,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:13:08,100 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:13:08,215 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:13:08,216 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:13:08,229 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:13:08,243 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:13:08,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:08 WrapperNode [2018-11-23 08:13:08,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:13:08,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:13:08,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:13:08,244 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:13:08,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:08" (1/1) ... [2018-11-23 08:13:08,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:08" (1/1) ... [2018-11-23 08:13:08,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:13:08,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:13:08,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:13:08,267 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:13:08,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:08" (1/1) ... [2018-11-23 08:13:08,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:08" (1/1) ... [2018-11-23 08:13:08,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:08" (1/1) ... [2018-11-23 08:13:08,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:08" (1/1) ... [2018-11-23 08:13:08,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:08" (1/1) ... [2018-11-23 08:13:08,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:08" (1/1) ... [2018-11-23 08:13:08,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:08" (1/1) ... [2018-11-23 08:13:08,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:13:08,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:13:08,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:13:08,321 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:13:08,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/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 08:13:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 08:13:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 08:13:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 08:13:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:13:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:13:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:13:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 08:13:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:13:08,506 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:13:08,506 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-23 08:13:08,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:08 BoogieIcfgContainer [2018-11-23 08:13:08,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:13:08,507 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 08:13:08,507 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 08:13:08,514 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 08:13:08,514 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:08" (1/1) ... [2018-11-23 08:13:08,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:13:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:13:08,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-11-23 08:13:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-11-23 08:13:08,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 08:13:08,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:13:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:13:08,617 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 08:13:08,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:13:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-11-23 08:13:08,623 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-11-23 08:13:08,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 08:13:08,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:13:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:13:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:13:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:13:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:13:08,730 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_~x~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0);trunc_float_#in~x := main_~x~0;havoc trunc_float_#res;havoc trunc_float_#t~mem0, trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, trunc_float_#t~mem2, trunc_float_#t~union3, trunc_float_~#sf_u~0.base, trunc_float_~#sf_u~0.offset, trunc_float_#t~mem4, trunc_float_#t~union5, trunc_float_~#sf_u~1.base, trunc_float_~#sf_u~1.offset, trunc_float_~x, trunc_float_~signbit~0, trunc_float_~w~0, trunc_float_~exponent_less_127~0;trunc_float_~x := trunc_float_#in~x;havoc trunc_float_~signbit~0;havoc trunc_float_~w~0;havoc trunc_float_~exponent_less_127~0; VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_trunc_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_trunc_float_#in~x|=0.0] [?] call trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(trunc_float_~x, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4);call trunc_float_#t~mem0 := read~int(trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4);trunc_float_~w~0 := (if trunc_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then trunc_float_#t~mem0 % 4294967296 % 4294967296 else trunc_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296);call write~real(trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4);havoc trunc_float_#t~mem0;havoc trunc_float_#t~union1;call ULTIMATE.dealloc(trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset);havoc trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset; VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_trunc_float_~w~0=8855, ULTIMATE.start_trunc_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_trunc_float_#in~x|=0.0] [?] goto; VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_trunc_float_~w~0=8855, ULTIMATE.start_trunc_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_trunc_float_#in~x|=0.0] [?] trunc_float_~signbit~0 := (if ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);trunc_float_~exponent_less_127~0 := ~bitwiseAnd(trunc_float_~w~0, 2139095040) / 8388608 - 127; VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_trunc_float_~exponent_less_127~0=255, ULTIMATE.start_trunc_float_~signbit~0=1796, ULTIMATE.start_trunc_float_~w~0=8855, ULTIMATE.start_trunc_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_trunc_float_#in~x|=0.0] [?] assume !(trunc_float_~exponent_less_127~0 < 23); VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_trunc_float_~exponent_less_127~0=255, ULTIMATE.start_trunc_float_~signbit~0=1796, ULTIMATE.start_trunc_float_~w~0=8855, ULTIMATE.start_trunc_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_trunc_float_#in~x|=0.0] [?] assume 255 == trunc_float_~exponent_less_127~0;trunc_float_#res := ~someBinaryArithmeticFLOAToperation(trunc_float_~x, trunc_float_~x); VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_trunc_float_~exponent_less_127~0=255, ULTIMATE.start_trunc_float_~signbit~0=1796, ULTIMATE.start_trunc_float_~w~0=8855, ULTIMATE.start_trunc_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_trunc_float_#in~x|=0.0] [?] main_#t~ret6 := trunc_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0);main_#t~ret7 := isnan_float_#res;assume -2147483648 <= main_#t~ret7 && main_#t~ret7 <= 2147483647; VAL [ULTIMATE.start_isnan_float_~x=4.0, ULTIMATE.start_main_~res~0=4.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_trunc_float_~exponent_less_127~0=255, ULTIMATE.start_trunc_float_~signbit~0=1796, ULTIMATE.start_trunc_float_~w~0=8855, ULTIMATE.start_trunc_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_isnan_float_#in~x|=4.0, |ULTIMATE.start_isnan_float_#res|=0, |ULTIMATE.start_main_#t~ret7|=0, |ULTIMATE.start_trunc_float_#in~x|=0.0, |ULTIMATE.start_trunc_float_#res|=4.0] [?] assume 0 == main_#t~ret7;havoc main_#t~ret7; VAL [ULTIMATE.start_isnan_float_~x=4.0, ULTIMATE.start_main_~res~0=4.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_trunc_float_~exponent_less_127~0=255, ULTIMATE.start_trunc_float_~signbit~0=1796, ULTIMATE.start_trunc_float_~w~0=8855, ULTIMATE.start_trunc_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_isnan_float_#in~x|=4.0, |ULTIMATE.start_isnan_float_#res|=0, |ULTIMATE.start_trunc_float_#in~x|=0.0, |ULTIMATE.start_trunc_float_#res|=4.0] [?] assume !false; VAL [ULTIMATE.start_isnan_float_~x=4.0, ULTIMATE.start_main_~res~0=4.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_trunc_float_~exponent_less_127~0=255, ULTIMATE.start_trunc_float_~signbit~0=1796, ULTIMATE.start_trunc_float_~w~0=8855, ULTIMATE.start_trunc_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_isnan_float_#in~x|=4.0, |ULTIMATE.start_isnan_float_#res|=0, |ULTIMATE.start_trunc_float_#in~x|=0.0, |ULTIMATE.start_trunc_float_#res|=4.0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret6, main_#t~ret7, main_~x~0, main_~res~0; [L52] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L53] trunc_float_#in~x := main_~x~0; [L53] havoc trunc_float_#res; [L53] havoc trunc_float_#t~mem0, trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, trunc_float_#t~mem2, trunc_float_#t~union3, trunc_float_~#sf_u~0.base, trunc_float_~#sf_u~0.offset, trunc_float_#t~mem4, trunc_float_#t~union5, trunc_float_~#sf_u~1.base, trunc_float_~#sf_u~1.offset, trunc_float_~x, trunc_float_~signbit~0, trunc_float_~w~0, trunc_float_~exponent_less_127~0; [L12-L41] trunc_float_~x := trunc_float_#in~x; [L13] havoc trunc_float_~signbit~0; [L13] havoc trunc_float_~w~0; [L13] havoc trunc_float_~exponent_less_127~0; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~x=0.0] [L15] call trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset := #Ultimate.alloc(4); [L16] call write~real(trunc_float_~x, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4); [L17] call trunc_float_#t~mem0 := read~int(trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4); [L17] trunc_float_~w~0 := (if trunc_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then trunc_float_#t~mem0 % 4294967296 % 4294967296 else trunc_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] call write~real(trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4); [L17] havoc trunc_float_#t~mem0; [L17] havoc trunc_float_#t~union1; [L15] call ULTIMATE.dealloc(trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset); [L15] havoc trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L19] trunc_float_~signbit~0 := (if ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] trunc_float_~exponent_less_127~0 := ~bitwiseAnd(trunc_float_~w~0, 2139095040) / 8388608 - 127; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L21-L39] assume !(trunc_float_~exponent_less_127~0 < 23); VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L37-L38] assume 255 == trunc_float_~exponent_less_127~0; [L38] trunc_float_#res := ~someBinaryArithmeticFLOAToperation(trunc_float_~x, trunc_float_~x); VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L53] main_#t~ret6 := trunc_float_#res; [L53] main_~res~0 := main_#t~ret6; [L53] havoc main_#t~ret6; [L56] isnan_float_#in~x := main_~res~0; [L56] havoc isnan_float_#res; [L56] havoc isnan_float_~x; [L44] isnan_float_~x := isnan_float_#in~x; [L44] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L56] main_#t~ret7 := isnan_float_#res; [L56] assume -2147483648 <= main_#t~ret7 && main_#t~ret7 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, isnan_float_#in~x=4.0, isnan_float_#res=0, isnan_float_~x=4.0, main_#t~ret7=0, main_~res~0=4.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=4.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L56-L59] assume 0 == main_#t~ret7; [L56] havoc main_#t~ret7; VAL [#NULL.base=0, #NULL.offset=0, isnan_float_#in~x=4.0, isnan_float_#res=0, isnan_float_~x=4.0, main_~res~0=4.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=4.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L57] assert false; VAL [#NULL.base=0, #NULL.offset=0, isnan_float_#in~x=4.0, isnan_float_#res=0, isnan_float_~x=4.0, main_~res~0=4.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=4.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_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_~x~0, main_~res~0; [L52] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L53] trunc_float_#in~x := main_~x~0; [L53] havoc trunc_float_#res; [L53] havoc trunc_float_#t~mem0, trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, trunc_float_#t~mem2, trunc_float_#t~union3, trunc_float_~#sf_u~0.base, trunc_float_~#sf_u~0.offset, trunc_float_#t~mem4, trunc_float_#t~union5, trunc_float_~#sf_u~1.base, trunc_float_~#sf_u~1.offset, trunc_float_~x, trunc_float_~signbit~0, trunc_float_~w~0, trunc_float_~exponent_less_127~0; [L12-L41] trunc_float_~x := trunc_float_#in~x; [L13] havoc trunc_float_~signbit~0; [L13] havoc trunc_float_~w~0; [L13] havoc trunc_float_~exponent_less_127~0; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~x=0.0] [L15] call trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset := #Ultimate.alloc(4); [L16] call write~real(trunc_float_~x, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4); [L17] call trunc_float_#t~mem0 := read~int(trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4); [L17] trunc_float_~w~0 := (if trunc_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then trunc_float_#t~mem0 % 4294967296 % 4294967296 else trunc_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] call write~real(trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4); [L17] havoc trunc_float_#t~mem0; [L17] havoc trunc_float_#t~union1; [L15] call ULTIMATE.dealloc(trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset); [L15] havoc trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L19] trunc_float_~signbit~0 := (if ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] trunc_float_~exponent_less_127~0 := ~bitwiseAnd(trunc_float_~w~0, 2139095040) / 8388608 - 127; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L21-L39] assume !(trunc_float_~exponent_less_127~0 < 23); VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L37-L38] assume 255 == trunc_float_~exponent_less_127~0; [L38] trunc_float_#res := ~someBinaryArithmeticFLOAToperation(trunc_float_~x, trunc_float_~x); VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L53] main_#t~ret6 := trunc_float_#res; [L53] main_~res~0 := main_#t~ret6; [L53] havoc main_#t~ret6; [L56] isnan_float_#in~x := main_~res~0; [L56] havoc isnan_float_#res; [L56] havoc isnan_float_~x; [L44] isnan_float_~x := isnan_float_#in~x; [L44] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L56] main_#t~ret7 := isnan_float_#res; [L56] assume -2147483648 <= main_#t~ret7 && main_#t~ret7 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, isnan_float_#in~x=4.0, isnan_float_#res=0, isnan_float_~x=4.0, main_#t~ret7=0, main_~res~0=4.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=4.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L56-L59] assume 0 == main_#t~ret7; [L56] havoc main_#t~ret7; VAL [#NULL.base=0, #NULL.offset=0, isnan_float_#in~x=4.0, isnan_float_#res=0, isnan_float_~x=4.0, main_~res~0=4.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=4.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L57] assert false; VAL [#NULL.base=0, #NULL.offset=0, isnan_float_#in~x=4.0, isnan_float_#res=0, isnan_float_~x=4.0, main_~res~0=4.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=4.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret6, main_#t~ret7, main_~x~0, main_~res~0; [L52] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L53] trunc_float_#in~x := main_~x~0; [L53] havoc trunc_float_#res; [L53] havoc trunc_float_#t~mem0, trunc_float_#t~union1, trunc_float_~#gf_u~0, trunc_float_#t~mem2, trunc_float_#t~union3, trunc_float_~#sf_u~0, trunc_float_#t~mem4, trunc_float_#t~union5, trunc_float_~#sf_u~1, trunc_float_~x, trunc_float_~signbit~0, trunc_float_~w~0, trunc_float_~exponent_less_127~0; [L12-L41] trunc_float_~x := trunc_float_#in~x; [L13] havoc trunc_float_~signbit~0; [L13] havoc trunc_float_~w~0; [L13] havoc trunc_float_~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~x=0.0] [L15] FCALL call trunc_float_~#gf_u~0 := #Ultimate.alloc(4); [L16] FCALL call write~real(trunc_float_~x, { base: trunc_float_~#gf_u~0!base, offset: trunc_float_~#gf_u~0!offset }, 4); [L17] FCALL call trunc_float_#t~mem0 := read~int({ base: trunc_float_~#gf_u~0!base, offset: trunc_float_~#gf_u~0!offset }, 4); [L17] trunc_float_~w~0 := (if trunc_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then trunc_float_#t~mem0 % 4294967296 % 4294967296 else trunc_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] FCALL call write~real(trunc_float_#t~union1, { base: trunc_float_~#gf_u~0!base, offset: trunc_float_~#gf_u~0!offset }, 4); [L17] havoc trunc_float_#t~mem0; [L17] havoc trunc_float_#t~union1; [L15] FCALL call ULTIMATE.dealloc(trunc_float_~#gf_u~0); [L15] havoc trunc_float_~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L19] trunc_float_~signbit~0 := (if ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] trunc_float_~exponent_less_127~0 := ~bitwiseAnd(trunc_float_~w~0, 2139095040) / 8388608 - 127; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L21] COND FALSE !(trunc_float_~exponent_less_127~0 < 23) VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L37] COND TRUE 255 == trunc_float_~exponent_less_127~0 [L38] trunc_float_#res := ~someBinaryArithmeticFLOAToperation(trunc_float_~x, trunc_float_~x); VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L53] main_#t~ret6 := trunc_float_#res; [L53] main_~res~0 := main_#t~ret6; [L53] havoc main_#t~ret6; [L56] isnan_float_#in~x := main_~res~0; [L56] havoc isnan_float_#res; [L56] havoc isnan_float_~x; [L44] isnan_float_~x := isnan_float_#in~x; [L44] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L56] main_#t~ret7 := isnan_float_#res; [L56] assume -2147483648 <= main_#t~ret7 && main_#t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, isnan_float_#in~x=4.0, isnan_float_#res=0, isnan_float_~x=4.0, main_#t~ret7=0, main_~res~0=4.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=4.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L56] COND TRUE 0 == main_#t~ret7 [L56] havoc main_#t~ret7; VAL [#NULL!base=0, #NULL!offset=0, isnan_float_#in~x=4.0, isnan_float_#res=0, isnan_float_~x=4.0, main_~res~0=4.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=4.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L57] assert false; VAL [#NULL!base=0, #NULL!offset=0, isnan_float_#in~x=4.0, isnan_float_#res=0, isnan_float_~x=4.0, main_~res~0=4.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=4.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_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_~x~0, main_~res~0; [L52] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L53] trunc_float_#in~x := main_~x~0; [L53] havoc trunc_float_#res; [L53] havoc trunc_float_#t~mem0, trunc_float_#t~union1, trunc_float_~#gf_u~0, trunc_float_#t~mem2, trunc_float_#t~union3, trunc_float_~#sf_u~0, trunc_float_#t~mem4, trunc_float_#t~union5, trunc_float_~#sf_u~1, trunc_float_~x, trunc_float_~signbit~0, trunc_float_~w~0, trunc_float_~exponent_less_127~0; [L12-L41] trunc_float_~x := trunc_float_#in~x; [L13] havoc trunc_float_~signbit~0; [L13] havoc trunc_float_~w~0; [L13] havoc trunc_float_~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~x=0.0] [L15] FCALL call trunc_float_~#gf_u~0 := #Ultimate.alloc(4); [L16] FCALL call write~real(trunc_float_~x, { base: trunc_float_~#gf_u~0!base, offset: trunc_float_~#gf_u~0!offset }, 4); [L17] FCALL call trunc_float_#t~mem0 := read~int({ base: trunc_float_~#gf_u~0!base, offset: trunc_float_~#gf_u~0!offset }, 4); [L17] trunc_float_~w~0 := (if trunc_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then trunc_float_#t~mem0 % 4294967296 % 4294967296 else trunc_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] FCALL call write~real(trunc_float_#t~union1, { base: trunc_float_~#gf_u~0!base, offset: trunc_float_~#gf_u~0!offset }, 4); [L17] havoc trunc_float_#t~mem0; [L17] havoc trunc_float_#t~union1; [L15] FCALL call ULTIMATE.dealloc(trunc_float_~#gf_u~0); [L15] havoc trunc_float_~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L19] trunc_float_~signbit~0 := (if ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] trunc_float_~exponent_less_127~0 := ~bitwiseAnd(trunc_float_~w~0, 2139095040) / 8388608 - 127; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L21] COND FALSE !(trunc_float_~exponent_less_127~0 < 23) VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L37] COND TRUE 255 == trunc_float_~exponent_less_127~0 [L38] trunc_float_#res := ~someBinaryArithmeticFLOAToperation(trunc_float_~x, trunc_float_~x); VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L53] main_#t~ret6 := trunc_float_#res; [L53] main_~res~0 := main_#t~ret6; [L53] havoc main_#t~ret6; [L56] isnan_float_#in~x := main_~res~0; [L56] havoc isnan_float_#res; [L56] havoc isnan_float_~x; [L44] isnan_float_~x := isnan_float_#in~x; [L44] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L56] main_#t~ret7 := isnan_float_#res; [L56] assume -2147483648 <= main_#t~ret7 && main_#t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, isnan_float_#in~x=4.0, isnan_float_#res=0, isnan_float_~x=4.0, main_#t~ret7=0, main_~res~0=4.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=4.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L56] COND TRUE 0 == main_#t~ret7 [L56] havoc main_#t~ret7; VAL [#NULL!base=0, #NULL!offset=0, isnan_float_#in~x=4.0, isnan_float_#res=0, isnan_float_~x=4.0, main_~res~0=4.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=4.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [L57] assert false; VAL [#NULL!base=0, #NULL!offset=0, isnan_float_#in~x=4.0, isnan_float_#res=0, isnan_float_~x=4.0, main_~res~0=4.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=4.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=1796, trunc_float_~w~0=8855, trunc_float_~x=0.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L52] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L12-L41] ~x := #in~x; [L13] havoc ~signbit~0; [L13] havoc ~w~0; [L13] havoc ~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0] [L15] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L16] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] ~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] havoc #t~mem0; [L17] havoc #t~union1; [L15] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L15] havoc ~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0] [L19] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] ~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [#NULL!base=0, #NULL!offset=0] [L21] COND FALSE !(~exponent_less_127~0 < 23) VAL [#NULL!base=0, #NULL!offset=0] [L37] COND TRUE 255 == ~exponent_less_127~0 [L38] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#NULL!base=0, #NULL!offset=0] [L53] ~res~0 := #t~ret6; [L53] havoc #t~ret6; [L44] ~x := #in~x; [L44] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); [L56] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L56] COND TRUE 0 == #t~ret7 [L56] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0] [L57] 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; [L52] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L12-L41] ~x := #in~x; [L13] havoc ~signbit~0; [L13] havoc ~w~0; [L13] havoc ~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0] [L15] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L16] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] ~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] havoc #t~mem0; [L17] havoc #t~union1; [L15] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L15] havoc ~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0] [L19] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] ~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [#NULL!base=0, #NULL!offset=0] [L21] COND FALSE !(~exponent_less_127~0 < 23) VAL [#NULL!base=0, #NULL!offset=0] [L37] COND TRUE 255 == ~exponent_less_127~0 [L38] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#NULL!base=0, #NULL!offset=0] [L53] ~res~0 := #t~ret6; [L53] havoc #t~ret6; [L44] ~x := #in~x; [L44] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); [L56] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L56] COND TRUE 0 == #t~ret7 [L56] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0] [L57] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L52] float x = 0.0f / 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; [L53] float res = trunc_float(x); [L44] return x != x; [L56] COND TRUE !isnan_float(res) [L57] __VERIFIER_error() ----- [2018-11-23 08:13:08,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:13:08 ImpRootNode [2018-11-23 08:13:08,760 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 08:13:08,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:13:08,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:13:08,761 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:13:08,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:08" (3/4) ... [2018-11-23 08:13:08,764 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 08:13:08,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:13:08,764 INFO L168 Benchmark]: Toolchain (without parser) took 688.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-11-23 08:13:08,765 INFO L168 Benchmark]: CDTParser took 0.11 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 08:13:08,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.39 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:13:08,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.31 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:13:08,766 INFO L168 Benchmark]: Boogie Preprocessor took 53.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -200.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:13:08,767 INFO L168 Benchmark]: RCFGBuilder took 185.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:13:08,767 INFO L168 Benchmark]: CodeCheck took 253.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:13:08,767 INFO L168 Benchmark]: Witness Printer took 3.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:13:08,770 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, 21 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 51 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: 57]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 38, overapproximation of bitwiseAnd at line 19. Possible FailurePath: [L52] float x = 0.0f / 0.0f; [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; [L53] float res = trunc_float(x); [L44] return x != x; [L56] COND TRUE !isnan_float(res) [L57] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 166.39 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 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 23.31 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -200.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 185.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * CodeCheck took 253.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. 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 08:13:10,182 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:13:10,183 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:13:10,191 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:13:10,191 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:13:10,191 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:13:10,192 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:13:10,193 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:13:10,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:13:10,195 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:13:10,196 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:13:10,196 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:13:10,197 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:13:10,197 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:13:10,198 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:13:10,199 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:13:10,199 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:13:10,201 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:13:10,202 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:13:10,203 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:13:10,204 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:13:10,205 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:13:10,207 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:13:10,207 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:13:10,207 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:13:10,208 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:13:10,209 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:13:10,210 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:13:10,210 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:13:10,211 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:13:10,211 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:13:10,212 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:13:10,212 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:13:10,212 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:13:10,213 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:13:10,213 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:13:10,214 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 08:13:10,224 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:13:10,225 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:13:10,225 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:13:10,225 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 08:13:10,226 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:13:10,226 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:13:10,226 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:13:10,226 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:13:10,226 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:13:10,226 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:13:10,227 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:13:10,227 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:13:10,227 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:13:10,227 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 08:13:10,227 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 08:13:10,227 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:13:10,227 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:13:10,227 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:13:10,228 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:13:10,228 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 08:13:10,228 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 08:13:10,228 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:13:10,228 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:13:10,228 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 08:13:10,228 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:13:10,229 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:13:10,229 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:13:10,229 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 08:13:10,229 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 08:13:10,229 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:13:10,229 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 08:13:10,229 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 08:13:10,229 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_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/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 -> cbf38875841624eee0d839935b3b6d34a59b0b20 [2018-11-23 08:13:10,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:13:10,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:13:10,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:13:10,266 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:13:10,267 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:13:10,267 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c [2018-11-23 08:13:10,302 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/data/06763ad65/c0d75f042a9c4e399074ef6f2f5191eb/FLAG385bc0a23 [2018-11-23 08:13:10,624 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:13:10,624 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c [2018-11-23 08:13:10,628 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/data/06763ad65/c0d75f042a9c4e399074ef6f2f5191eb/FLAG385bc0a23 [2018-11-23 08:13:11,062 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/data/06763ad65/c0d75f042a9c4e399074ef6f2f5191eb [2018-11-23 08:13:11,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:13:11,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:13:11,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:13:11,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:13:11,069 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:13:11,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:11" (1/1) ... [2018-11-23 08:13:11,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc7db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11, skipping insertion in model container [2018-11-23 08:13:11,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:11" (1/1) ... [2018-11-23 08:13:11,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:13:11,094 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:13:11,218 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:13:11,222 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:13:11,241 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:13:11,259 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:13:11,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11 WrapperNode [2018-11-23 08:13:11,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:13:11,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:13:11,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:13:11,260 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:13:11,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2018-11-23 08:13:11,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2018-11-23 08:13:11,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:13:11,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:13:11,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:13:11,284 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:13:11,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2018-11-23 08:13:11,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2018-11-23 08:13:11,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2018-11-23 08:13:11,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2018-11-23 08:13:11,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2018-11-23 08:13:11,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2018-11-23 08:13:11,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2018-11-23 08:13:11,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:13:11,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:13:11,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:13:11,303 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:13:11,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/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 08:13:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:13:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 08:13:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:13:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:13:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 08:13:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 08:13:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 08:13:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:13:11,558 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:13:11,558 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-23 08:13:11,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:11 BoogieIcfgContainer [2018-11-23 08:13:11,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:13:11,559 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 08:13:11,559 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 08:13:11,568 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 08:13:11,568 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:11" (1/1) ... [2018-11-23 08:13:11,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:13:11,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:13:11,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-11-23 08:13:11,600 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-11-23 08:13:11,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 08:13:11,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:13:11,633 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 08:13:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:13:11,651 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:13:11,662 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 08:13:11,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:13:11,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-11-23 08:13:11,670 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-11-23 08:13:11,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 08:13:11,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:13:11,671 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 08:13:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:13:11,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:13:11,745 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 08:13:11,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:13:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2018-11-23 08:13:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2018-11-23 08:13:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 08:13:11,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:13:11,952 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 08:13:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:13:11,965 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:13:12,044 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 08:13:12,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:13:12,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2018-11-23 08:13:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2018-11-23 08:13:12,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 08:13:12,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:13:12,568 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 08:13:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:13:12,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:13:12,686 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 08:13:13,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:13:13,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-11-23 08:13:13,246 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-11-23 08:13:13,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:13:13,246 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-11-23 08:13:13,252 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 08:13:13,297 INFO L579 CodeCheckObserver]: Invariant with dag size 5 [2018-11-23 08:13:13,300 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 08:13:13,302 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 08:13:13,303 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 08:13:13,303 INFO L579 CodeCheckObserver]: Invariant with dag size 5 [2018-11-23 08:13:13,303 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 08:13:13,304 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 08:13:13,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:13:13 ImpRootNode [2018-11-23 08:13:13,304 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 08:13:13,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:13:13,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:13:13,305 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:13:13,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:11" (3/4) ... [2018-11-23 08:13:13,309 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:13:13,319 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-23 08:13:13,319 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 08:13:13,319 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:13:13,340 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2018-11-23 08:13:13,360 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cc68566d-bfc7-4efd-9b7d-ed2a4647f3c9/bin-2019/ukojak/witness.graphml [2018-11-23 08:13:13,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:13:13,361 INFO L168 Benchmark]: Toolchain (without parser) took 2295.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 949.7 MB in the beginning and 946.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 122.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:13:13,362 INFO L168 Benchmark]: CDTParser took 0.12 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 08:13:13,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.58 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:13:13,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.04 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:13:13,363 INFO L168 Benchmark]: Boogie Preprocessor took 19.25 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:13:13,363 INFO L168 Benchmark]: RCFGBuilder took 255.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:13:13,363 INFO L168 Benchmark]: CodeCheck took 1745.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 953.0 MB in the end (delta: 135.7 MB). Peak memory consumption was 135.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:13:13,364 INFO L168 Benchmark]: Witness Printer took 55.71 ms. Allocated memory is still 1.1 GB. Free memory was 953.0 MB in the beginning and 946.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:13:13,366 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, 21 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 118 SDtfs, 52 SDslu, 32 SDs, 0 SdLazy, 234 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 301 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 3 QuantifiedInterpolants, 1371 SizeOfPredicates, 14 NumberOfNonLiveVariables, 112 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 57]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant [2018-11-23 08:13:13,367 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 08:13:13,367 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2018-11-23 08:13:13,368 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 08:13:13,368 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 192.58 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 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 24.04 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.25 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 255.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1745.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 953.0 MB in the end (delta: 135.7 MB). Peak memory consumption was 135.7 MB. Max. memory is 11.5 GB. * Witness Printer took 55.71 ms. Allocated memory is still 1.1 GB. Free memory was 953.0 MB in the beginning and 946.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! Received shutdown request...