./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0970b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/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 43a504f2a78cd97f2f59239768b095c018a8cdcb ............................................................................................................................................................................................................................................. 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_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/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 43a504f2a78cd97f2f59239768b095c018a8cdcb ............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:58:05,409 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:58:05,410 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:58:05,416 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:58:05,416 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:58:05,416 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:58:05,417 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:58:05,418 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:58:05,419 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:58:05,419 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:58:05,419 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:58:05,419 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:58:05,420 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:58:05,420 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:58:05,421 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:58:05,421 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:58:05,422 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:58:05,422 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:58:05,423 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:58:05,424 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:58:05,424 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:58:05,425 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:58:05,426 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:58:05,426 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:58:05,426 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:58:05,427 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:58:05,427 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:58:05,427 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:58:05,428 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:58:05,428 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:58:05,428 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:58:05,429 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:58:05,429 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:58:05,429 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:58:05,429 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:58:05,430 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:58:05,430 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 11:58:05,437 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:58:05,437 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:58:05,438 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:58:05,438 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 11:58:05,438 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:58:05,438 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:58:05,439 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:58:05,439 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:58:05,439 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:58:05,439 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:58:05,439 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:58:05,439 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:58:05,439 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:58:05,439 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:58:05,439 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:58:05,439 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:58:05,439 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:58:05,440 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:58:05,440 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 11:58:05,440 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 11:58:05,440 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:58:05,440 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:58:05,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:58:05,440 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:58:05,440 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:58:05,440 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:58:05,440 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 11:58:05,441 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:58:05,441 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:58:05,441 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_d82bae6e-090d-45f1-9752-60ae240bc6c7/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 -> 43a504f2a78cd97f2f59239768b095c018a8cdcb [2018-12-09 11:58:05,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:58:05,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:58:05,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:58:05,471 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:58:05,471 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:58:05,472 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0970b_true-unreach-call.c [2018-12-09 11:58:05,518 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/data/e79c857f1/170318f74eee4c5e9b8c92e3e5af6fec/FLAGb97fce609 [2018-12-09 11:58:05,957 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:58:05,958 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/sv-benchmarks/c/float-newlib/float_req_bl_0970b_true-unreach-call.c [2018-12-09 11:58:05,963 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/data/e79c857f1/170318f74eee4c5e9b8c92e3e5af6fec/FLAGb97fce609 [2018-12-09 11:58:05,973 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/data/e79c857f1/170318f74eee4c5e9b8c92e3e5af6fec [2018-12-09 11:58:05,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:58:05,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:58:05,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:58:05,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:58:05,979 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:58:05,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:58:05" (1/1) ... [2018-12-09 11:58:05,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f41b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:05, skipping insertion in model container [2018-12-09 11:58:05,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:58:05" (1/1) ... [2018-12-09 11:58:05,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:58:05,999 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:58:06,115 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:58:06,117 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:58:06,141 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:58:06,186 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:58:06,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:06 WrapperNode [2018-12-09 11:58:06,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:58:06,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:58:06,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:58:06,187 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:58:06,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:06" (1/1) ... [2018-12-09 11:58:06,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:06" (1/1) ... [2018-12-09 11:58:06,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:58:06,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:58:06,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:58:06,214 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:58:06,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:06" (1/1) ... [2018-12-09 11:58:06,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:06" (1/1) ... [2018-12-09 11:58:06,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:06" (1/1) ... [2018-12-09 11:58:06,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:06" (1/1) ... [2018-12-09 11:58:06,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:06" (1/1) ... [2018-12-09 11:58:06,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:06" (1/1) ... [2018-12-09 11:58:06,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:06" (1/1) ... [2018-12-09 11:58:06,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:58:06,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:58:06,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:58:06,233 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:58:06,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:58:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 11:58:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 11:58:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 11:58:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:58:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:58:06,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:58:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 11:58:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:58:06,532 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:58:06,532 INFO L280 CfgBuilder]: Removed 22 assue(true) statements. [2018-12-09 11:58:06,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:58:06 BoogieIcfgContainer [2018-12-09 11:58:06,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:58:06,533 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 11:58:06,533 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 11:58:06,542 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 11:58:06,542 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:58:06" (1/1) ... [2018-12-09 11:58:06,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:06,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:58:06,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2018-12-09 11:58:06,580 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2018-12-09 11:58:06,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 11:58:06,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:58:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:58:06,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:58:06,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2018-12-09 11:58:06,663 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2018-12-09 11:58:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 11:58:06,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:58:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:06,740 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-09 11:58:06,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 11:58:06 ImpRootNode [2018-12-09 11:58:06,766 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 11:58:06,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:58:06,766 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:58:06,766 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:58:06,767 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:58:06" (3/4) ... [2018-12-09 11:58:06,769 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 11:58:06,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:58:06,769 INFO L168 Benchmark]: Toolchain (without parser) took 793.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -67.9 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:06,771 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:58:06,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:06,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.66 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:06,771 INFO L168 Benchmark]: Boogie Preprocessor took 19.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:58:06,772 INFO L168 Benchmark]: RCFGBuilder took 300.15 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:06,772 INFO L168 Benchmark]: CodeCheck took 232.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:06,772 INFO L168 Benchmark]: Witness Printer took 2.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:58:06,774 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, 44 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, 48 GetRequests, 48 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, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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: 159]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of someBinaryArithmeticFLOAToperation at line 117, overapproximation of bitwiseAnd at line 116. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; [L98-L101] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L103] static const float zero = 0.0; [L154] float x = -1.0f / 0.0f; [L106] float y, z; [L107] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L110] ieee_float_shape_type gf_u; [L111] gf_u.value = (x) [L112] EXPR gf_u.word [L112] (hx) = gf_u.word [L115] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L116] COND TRUE ((hx & 0x7fffffff) == 0) [L117] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L155] float res = __ieee754_log10f(x); [L145] return x != x; [L158] COND TRUE !isnan_float(res) [L159] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 209.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.66 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.19 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 300.15 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. * CodeCheck took 232.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:58:08,174 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:58:08,175 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:58:08,181 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:58:08,181 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:58:08,182 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:58:08,182 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:58:08,183 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:58:08,184 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:58:08,184 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:58:08,184 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:58:08,185 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:58:08,185 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:58:08,185 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:58:08,186 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:58:08,186 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:58:08,187 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:58:08,188 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:58:08,188 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:58:08,189 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:58:08,190 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:58:08,190 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:58:08,191 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:58:08,191 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:58:08,192 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:58:08,192 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:58:08,193 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:58:08,193 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:58:08,193 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:58:08,194 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:58:08,194 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:58:08,194 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:58:08,194 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:58:08,195 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:58:08,195 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:58:08,195 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:58:08,196 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-09 11:58:08,203 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:58:08,203 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:58:08,203 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:58:08,204 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 11:58:08,204 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:58:08,204 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:58:08,204 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:58:08,204 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:58:08,204 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:58:08,204 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:58:08,204 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:58:08,205 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:58:08,205 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:58:08,205 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 11:58:08,205 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 11:58:08,205 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:58:08,205 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:58:08,205 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:58:08,205 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:58:08,205 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 11:58:08,205 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 11:58:08,205 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:58:08,205 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:58:08,206 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:58:08,206 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:58:08,206 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:58:08,206 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:58:08,206 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-09 11:58:08,206 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 11:58:08,206 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:58:08,206 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 11:58:08,206 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 11:58:08,206 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_d82bae6e-090d-45f1-9752-60ae240bc6c7/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 -> 43a504f2a78cd97f2f59239768b095c018a8cdcb [2018-12-09 11:58:08,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:58:08,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:58:08,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:58:08,233 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:58:08,234 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:58:08,234 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0970b_true-unreach-call.c [2018-12-09 11:58:08,270 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/data/ea573b839/905124f7b99f406c8be2c99eb18738c8/FLAGa28f7b23e [2018-12-09 11:58:08,623 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:58:08,623 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/sv-benchmarks/c/float-newlib/float_req_bl_0970b_true-unreach-call.c [2018-12-09 11:58:08,628 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/data/ea573b839/905124f7b99f406c8be2c99eb18738c8/FLAGa28f7b23e [2018-12-09 11:58:08,636 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/data/ea573b839/905124f7b99f406c8be2c99eb18738c8 [2018-12-09 11:58:08,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:58:08,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:58:08,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:58:08,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:58:08,643 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:58:08,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:58:08" (1/1) ... [2018-12-09 11:58:08,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284ba15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:08, skipping insertion in model container [2018-12-09 11:58:08,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:58:08" (1/1) ... [2018-12-09 11:58:08,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:58:08,667 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:58:08,782 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:58:08,786 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:58:08,814 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:58:08,829 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:58:08,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:08 WrapperNode [2018-12-09 11:58:08,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:58:08,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:58:08,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:58:08,830 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:58:08,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:08" (1/1) ... [2018-12-09 11:58:08,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:08" (1/1) ... [2018-12-09 11:58:08,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:58:08,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:58:08,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:58:08,889 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:58:08,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:08" (1/1) ... [2018-12-09 11:58:08,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:08" (1/1) ... [2018-12-09 11:58:08,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:08" (1/1) ... [2018-12-09 11:58:08,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:08" (1/1) ... [2018-12-09 11:58:08,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:08" (1/1) ... [2018-12-09 11:58:08,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:08" (1/1) ... [2018-12-09 11:58:08,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:08" (1/1) ... [2018-12-09 11:58:08,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:58:08,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:58:08,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:58:08,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:58:08,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:58:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 11:58:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:58:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 11:58:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:58:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:58:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 11:58:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 11:58:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:58:09,349 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:58:33,477 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:58:33,583 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:58:34,619 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:01:27,462 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:01:27,462 INFO L280 CfgBuilder]: Removed 22 assue(true) statements. [2018-12-09 12:01:27,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:01:27 BoogieIcfgContainer [2018-12-09 12:01:27,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:01:27,463 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 12:01:27,463 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 12:01:27,471 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 12:01:27,471 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:01:27" (1/1) ... [2018-12-09 12:01:27,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:01:27,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:01:27,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2018-12-09 12:01:27,503 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2018-12-09 12:01:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 12:01:27,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:01:27,538 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 12:01:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:01:27,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:01:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:01:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:01:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2018-12-09 12:01:27,573 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2018-12-09 12:01:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 12:01:27,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:01:27,575 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 12:01:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:01:27,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:01:27,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:01:28,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:01:28,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2018-12-09 12:01:28,517 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2018-12-09 12:01:28,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 12:01:28,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:01:28,518 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 12:01:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:01:28,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:01:28,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:01:44,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:01:44,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2018-12-09 12:01:44,948 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2018-12-09 12:01:44,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 12:01:44,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:01:44,949 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 12:01:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:01:44,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:01:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:01:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:01:46,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2018-12-09 12:01:46,024 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2018-12-09 12:01:46,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:01:46,024 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-12-09 12:01:46,031 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 12:01:46,097 INFO L583 CodeCheckObserver]: Invariant with dag size 13 [2018-12-09 12:01:46,102 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,102 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,102 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,105 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,105 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,105 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,106 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-09 12:01:46,106 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,107 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,107 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,107 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,107 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,107 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,107 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,108 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,108 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,108 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,108 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,108 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,108 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,108 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,109 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:01:46,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:01:46 ImpRootNode [2018-12-09 12:01:46,109 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 12:01:46,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:01:46,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:01:46,110 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:01:46,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:01:27" (3/4) ... [2018-12-09 12:01:46,112 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:01:46,120 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-12-09 12:01:46,120 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 12:01:46,138 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) [2018-12-09 12:01:46,168 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d82bae6e-090d-45f1-9752-60ae240bc6c7/bin-2019/ukojak/witness.graphml [2018-12-09 12:01:46,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:01:46,169 INFO L168 Benchmark]: Toolchain (without parser) took 217529.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 943.4 MB in the beginning and 974.6 MB in the end (delta: -31.2 MB). Peak memory consumption was 111.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:01:46,169 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:01:46,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.50 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:01:46,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -210.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-09 12:01:46,170 INFO L168 Benchmark]: Boogie Preprocessor took 22.96 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:01:46,170 INFO L168 Benchmark]: RCFGBuilder took 198550.63 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: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. [2018-12-09 12:01:46,170 INFO L168 Benchmark]: CodeCheck took 18646.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.4 MB in the end (delta: 89.0 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. [2018-12-09 12:01:46,170 INFO L168 Benchmark]: Witness Printer took 58.70 ms. Allocated memory is still 1.2 GB. Free memory was 981.4 MB in the beginning and 974.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:01:46,171 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, 44 locations, 1 error locations. SAFE Result, 18.5s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 146 SDtfs, 68 SDslu, 64 SDs, 0 SdLazy, 190 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 1924 SizeOfPredicates, 17 NumberOfNonLiveVariables, 170 ConjunctsInSsa, 26 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: 159]: 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: 109]: Loop Invariant [2018-12-09 12:01:46,172 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,172 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,172 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,172 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,173 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,173 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 105]: Loop Invariant [2018-12-09 12:01:46,173 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,173 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,173 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,173 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,174 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,174 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,174 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,174 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,174 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,175 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,175 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,175 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,175 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:01:46,175 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 * 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 189.50 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 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 58.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -210.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.96 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 198550.63 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: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. * CodeCheck took 18646.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.4 MB in the end (delta: 89.0 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. * Witness Printer took 58.70 ms. Allocated memory is still 1.2 GB. Free memory was 981.4 MB in the beginning and 974.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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 - 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 - 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 - 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 - 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...