./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e16d2ad47f8069122c38404dcdf9504ef10df900 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e16d2ad47f8069122c38404dcdf9504ef10df900 ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:18:31,224 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:18:31,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:18:31,232 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:18:31,232 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:18:31,233 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:18:31,234 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:18:31,235 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:18:31,236 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:18:31,237 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:18:31,238 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:18:31,238 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:18:31,238 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:18:31,239 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:18:31,240 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:18:31,241 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:18:31,241 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:18:31,243 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:18:31,244 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:18:31,246 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:18:31,246 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:18:31,247 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:18:31,249 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:18:31,249 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:18:31,250 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:18:31,250 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:18:31,252 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:18:31,252 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:18:31,253 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:18:31,254 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:18:31,254 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:18:31,254 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:18:31,255 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:18:31,255 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:18:31,255 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:18:31,256 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:18:31,256 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 02:18:31,267 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:18:31,267 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:18:31,268 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:18:31,268 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 02:18:31,269 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:18:31,269 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:18:31,269 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:18:31,269 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:18:31,269 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:18:31,269 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:18:31,269 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:18:31,270 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:18:31,270 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:18:31,270 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:18:31,270 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:18:31,270 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:18:31,270 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:18:31,270 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:18:31,271 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 02:18:31,271 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 02:18:31,271 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:18:31,271 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:18:31,271 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 02:18:31,271 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:18:31,272 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:18:31,272 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:18:31,272 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 02:18:31,272 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:18:31,272 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:18:31,272 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_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e16d2ad47f8069122c38404dcdf9504ef10df900 [2018-11-23 02:18:31,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:18:31,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:18:31,304 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:18:31,305 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:18:31,305 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:18:31,306 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-11-23 02:18:31,347 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/data/f1ed2cf98/bfa342383a5044338ffe613d9be45403/FLAG48116d717 [2018-11-23 02:18:31,693 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:18:31,694 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-11-23 02:18:31,700 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/data/f1ed2cf98/bfa342383a5044338ffe613d9be45403/FLAG48116d717 [2018-11-23 02:18:32,111 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/data/f1ed2cf98/bfa342383a5044338ffe613d9be45403 [2018-11-23 02:18:32,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:18:32,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:18:32,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:18:32,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:18:32,119 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:18:32,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:18:32" (1/1) ... [2018-11-23 02:18:32,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3605d9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:32, skipping insertion in model container [2018-11-23 02:18:32,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:18:32" (1/1) ... [2018-11-23 02:18:32,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:18:32,144 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:18:32,266 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:18:32,268 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:18:32,287 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:18:32,302 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:18:32,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:32 WrapperNode [2018-11-23 02:18:32,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:18:32,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:18:32,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:18:32,303 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:18:32,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:32" (1/1) ... [2018-11-23 02:18:32,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:32" (1/1) ... [2018-11-23 02:18:32,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:18:32,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:18:32,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:18:32,336 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:18:32,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:32" (1/1) ... [2018-11-23 02:18:32,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:32" (1/1) ... [2018-11-23 02:18:32,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:32" (1/1) ... [2018-11-23 02:18:32,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:32" (1/1) ... [2018-11-23 02:18:32,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:32" (1/1) ... [2018-11-23 02:18:32,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:32" (1/1) ... [2018-11-23 02:18:32,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:32" (1/1) ... [2018-11-23 02:18:32,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:18:32,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:18:32,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:18:32,403 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:18:32,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/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 02:18:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 02:18:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 02:18:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 02:18:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:18:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:18:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:18:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 02:18:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:18:32,635 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:18:32,636 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-11-23 02:18:32,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:32 BoogieIcfgContainer [2018-11-23 02:18:32,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:18:32,636 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 02:18:32,636 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 02:18:32,644 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 02:18:32,644 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:32" (1/1) ... [2018-11-23 02:18:32,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:18:32,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:18:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-11-23 02:18:32,677 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-11-23 02:18:32,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 02:18:32,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:18:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:18:32,749 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 02:18:32,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:18:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-23 02:18:32,755 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-23 02:18:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 02:18:32,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:18:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:18:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:18:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:18:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:18:32,865 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~ret8, main_#t~ret9, main_#t~short10, main_~x~0, main_~res~0;main_~x~0 := ~someUnaryFLOAToperation(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=609, 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=609, 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=5853, ULTIMATE.start_trunc_float_~w~0=609, 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=5853, ULTIMATE.start_trunc_float_~w~0=609, 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=5853, ULTIMATE.start_trunc_float_~w~0=609, ULTIMATE.start_trunc_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_trunc_float_#in~x|=0.0] [?] main_#t~ret8 := trunc_float_#res;main_~res~0 := main_#t~ret8;havoc main_#t~ret8;main_#t~short10 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [ULTIMATE.start_main_~res~0=2.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_trunc_float_~exponent_less_127~0=255, ULTIMATE.start_trunc_float_~signbit~0=5853, ULTIMATE.start_trunc_float_~w~0=609, ULTIMATE.start_trunc_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~short10|=false, |ULTIMATE.start_trunc_float_#in~x|=0.0, |ULTIMATE.start_trunc_float_#res|=2.0] [?] assume !main_#t~short10; VAL [ULTIMATE.start_main_~res~0=2.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_trunc_float_~exponent_less_127~0=255, ULTIMATE.start_trunc_float_~signbit~0=5853, ULTIMATE.start_trunc_float_~w~0=609, ULTIMATE.start_trunc_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~short10|=false, |ULTIMATE.start_trunc_float_#in~x|=0.0, |ULTIMATE.start_trunc_float_#res|=2.0] [?] assume !main_#t~short10;havoc main_#t~ret9;havoc main_#t~short10; VAL [ULTIMATE.start_main_~res~0=2.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_trunc_float_~exponent_less_127~0=255, ULTIMATE.start_trunc_float_~signbit~0=5853, ULTIMATE.start_trunc_float_~w~0=609, ULTIMATE.start_trunc_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_trunc_float_#in~x|=0.0, |ULTIMATE.start_trunc_float_#res|=2.0] [?] assume !false; VAL [ULTIMATE.start_main_~res~0=2.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_trunc_float_~exponent_less_127~0=255, ULTIMATE.start_trunc_float_~signbit~0=5853, ULTIMATE.start_trunc_float_~w~0=609, ULTIMATE.start_trunc_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_trunc_float_#in~x|=0.0, |ULTIMATE.start_trunc_float_#res|=2.0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret8, main_#t~ret9, main_#t~short10, main_~x~0, main_~res~0; [L62] main_~x~0 := ~someUnaryFLOAToperation(0.0); [L63] trunc_float_#in~x := main_~x~0; [L63] havoc trunc_float_#res; [L63] 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=609, 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=5853, trunc_float_~w~0=609, 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=5853, trunc_float_~w~0=609, 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=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L63] main_#t~ret8 := trunc_float_#res; [L63] main_~res~0 := main_#t~ret8; [L63] havoc main_#t~ret8; [L66] main_#t~short10 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, main_#t~short10=false, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L66] assume !main_#t~short10; VAL [#NULL.base=0, #NULL.offset=0, main_#t~short10=false, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L66-L69] assume !main_#t~short10; [L66] havoc main_#t~ret9; [L66] havoc main_#t~short10; VAL [#NULL.base=0, #NULL.offset=0, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L67] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, 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~ret8, main_#t~ret9, main_#t~short10, main_~x~0, main_~res~0; [L62] main_~x~0 := ~someUnaryFLOAToperation(0.0); [L63] trunc_float_#in~x := main_~x~0; [L63] havoc trunc_float_#res; [L63] 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=609, 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=5853, trunc_float_~w~0=609, 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=5853, trunc_float_~w~0=609, 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=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L63] main_#t~ret8 := trunc_float_#res; [L63] main_~res~0 := main_#t~ret8; [L63] havoc main_#t~ret8; [L66] main_#t~short10 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, main_#t~short10=false, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L66] assume !main_#t~short10; VAL [#NULL.base=0, #NULL.offset=0, main_#t~short10=false, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L66-L69] assume !main_#t~short10; [L66] havoc main_#t~ret9; [L66] havoc main_#t~short10; VAL [#NULL.base=0, #NULL.offset=0, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L67] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret8, main_#t~ret9, main_#t~short10, main_~x~0, main_~res~0; [L62] main_~x~0 := ~someUnaryFLOAToperation(0.0); [L63] trunc_float_#in~x := main_~x~0; [L63] havoc trunc_float_#res; [L63] 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=609, 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=5853, trunc_float_~w~0=609, 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=5853, trunc_float_~w~0=609, 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=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L63] main_#t~ret8 := trunc_float_#res; [L63] main_~res~0 := main_#t~ret8; [L63] havoc main_#t~ret8; [L66] main_#t~short10 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, main_#t~short10=false, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L66] COND FALSE !(main_#t~short10) VAL [#NULL!base=0, #NULL!offset=0, main_#t~short10=false, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L66] COND TRUE !main_#t~short10 [L66] havoc main_#t~ret9; [L66] havoc main_#t~short10; VAL [#NULL!base=0, #NULL!offset=0, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L67] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, 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~ret8, main_#t~ret9, main_#t~short10, main_~x~0, main_~res~0; [L62] main_~x~0 := ~someUnaryFLOAToperation(0.0); [L63] trunc_float_#in~x := main_~x~0; [L63] havoc trunc_float_#res; [L63] 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=609, 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=5853, trunc_float_~w~0=609, 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=5853, trunc_float_~w~0=609, 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=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L63] main_#t~ret8 := trunc_float_#res; [L63] main_~res~0 := main_#t~ret8; [L63] havoc main_#t~ret8; [L66] main_#t~short10 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, main_#t~short10=false, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L66] COND FALSE !(main_#t~short10) VAL [#NULL!base=0, #NULL!offset=0, main_#t~short10=false, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L66] COND TRUE !main_#t~short10 [L66] havoc main_#t~ret9; [L66] havoc main_#t~short10; VAL [#NULL!base=0, #NULL!offset=0, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [L67] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_~res~0=2.0, main_~x~0=0.0, trunc_float_#in~x=0.0, trunc_float_#res=2.0, trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=5853, trunc_float_~w~0=609, trunc_float_~x=0.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L62] ~x~0 := ~someUnaryFLOAToperation(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] [L63] ~res~0 := #t~ret8; [L63] havoc #t~ret8; [L66] #t~short10 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0] [L66] COND FALSE !(#t~short10) VAL [#NULL!base=0, #NULL!offset=0] [L66] COND TRUE !#t~short10 [L66] havoc #t~ret9; [L66] havoc #t~short10; VAL [#NULL!base=0, #NULL!offset=0] [L67] 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; [L62] ~x~0 := ~someUnaryFLOAToperation(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] [L63] ~res~0 := #t~ret8; [L63] havoc #t~ret8; [L66] #t~short10 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0] [L66] COND FALSE !(#t~short10) VAL [#NULL!base=0, #NULL!offset=0] [L66] COND TRUE !#t~short10 [L66] havoc #t~ret9; [L66] havoc #t~short10; VAL [#NULL!base=0, #NULL!offset=0] [L67] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L62] float x = -0.0f; [L13] __int32_t signbit, w, exponent_less_127; [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (w) = gf_u.word [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L21] COND FALSE !(exponent_less_127 < 23) [L37] COND TRUE exponent_less_127 == 255 [L38] return x + x; [L63] float res = trunc_float(x); [L66] EXPR res == -0.0f && __signbit_float(res) == 1 [L66] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L67] __VERIFIER_error() ----- [2018-11-23 02:18:32,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:18:32 ImpRootNode [2018-11-23 02:18:32,901 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 02:18:32,902 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:18:32,902 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:18:32,902 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:18:32,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:32" (3/4) ... [2018-11-23 02:18:32,906 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 02:18:32,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:18:32,907 INFO L168 Benchmark]: Toolchain (without parser) took 792.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -133.5 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-11-23 02:18:32,908 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:18:32,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.73 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:18:32,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.79 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:18:32,910 INFO L168 Benchmark]: Boogie Preprocessor took 66.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:18:32,911 INFO L168 Benchmark]: RCFGBuilder took 233.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:18:32,912 INFO L168 Benchmark]: CodeCheck took 264.90 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:18:32,913 INFO L168 Benchmark]: Witness Printer took 4.25 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 02:18:32,917 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 25 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 67]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseAnd at line 19, overapproximation of someUnaryFLOAToperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L62] float x = -0.0f; [L13] __int32_t signbit, w, exponent_less_127; [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (w) = gf_u.word [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L21] COND FALSE !(exponent_less_127 < 23) [L37] COND TRUE exponent_less_127 == 255 [L38] return x + x; [L63] float res = trunc_float(x); [L66] EXPR res == -0.0f && __signbit_float(res) == 1 [L66] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L67] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.73 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 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 32.79 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 233.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 264.90 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.25 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 02:18:34,468 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:18:34,469 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:18:34,479 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:18:34,479 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:18:34,480 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:18:34,481 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:18:34,482 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:18:34,484 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:18:34,484 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:18:34,485 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:18:34,485 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:18:34,486 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:18:34,487 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:18:34,488 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:18:34,489 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:18:34,489 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:18:34,491 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:18:34,493 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:18:34,494 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:18:34,495 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:18:34,496 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:18:34,498 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:18:34,498 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:18:34,498 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:18:34,500 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:18:34,500 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:18:34,501 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:18:34,502 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:18:34,502 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:18:34,503 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:18:34,504 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:18:34,504 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:18:34,504 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:18:34,505 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:18:34,505 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:18:34,506 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 02:18:34,517 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:18:34,518 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:18:34,518 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:18:34,519 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 02:18:34,519 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:18:34,519 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:18:34,519 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:18:34,520 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:18:34,520 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:18:34,520 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:18:34,520 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:18:34,520 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:18:34,520 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:18:34,520 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 02:18:34,521 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 02:18:34,521 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:18:34,521 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:18:34,521 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:18:34,521 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:18:34,521 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 02:18:34,522 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 02:18:34,522 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:18:34,522 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:18:34,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 02:18:34,522 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:18:34,522 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:18:34,525 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:18:34,525 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 02:18:34,525 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 02:18:34,525 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:18:34,525 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 02:18:34,526 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 02:18:34,526 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_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e16d2ad47f8069122c38404dcdf9504ef10df900 [2018-11-23 02:18:34,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:18:34,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:18:34,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:18:34,573 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:18:34,574 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:18:34,574 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-11-23 02:18:34,624 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/data/cbdca4719/ed316124b12c4d11ba4ef5f2cc62432a/FLAG27025db73 [2018-11-23 02:18:34,964 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:18:34,964 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-11-23 02:18:34,969 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/data/cbdca4719/ed316124b12c4d11ba4ef5f2cc62432a/FLAG27025db73 [2018-11-23 02:18:34,982 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/data/cbdca4719/ed316124b12c4d11ba4ef5f2cc62432a [2018-11-23 02:18:34,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:18:34,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:18:34,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:18:34,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:18:34,990 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:18:34,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:18:34" (1/1) ... [2018-11-23 02:18:34,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36936f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:34, skipping insertion in model container [2018-11-23 02:18:34,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:18:34" (1/1) ... [2018-11-23 02:18:34,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:18:35,017 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:18:35,156 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:18:35,160 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:18:35,181 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:18:35,197 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:18:35,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:35 WrapperNode [2018-11-23 02:18:35,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:18:35,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:18:35,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:18:35,199 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:18:35,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:35" (1/1) ... [2018-11-23 02:18:35,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:35" (1/1) ... [2018-11-23 02:18:35,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:18:35,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:18:35,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:18:35,225 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:18:35,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:35" (1/1) ... [2018-11-23 02:18:35,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:35" (1/1) ... [2018-11-23 02:18:35,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:35" (1/1) ... [2018-11-23 02:18:35,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:35" (1/1) ... [2018-11-23 02:18:35,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:35" (1/1) ... [2018-11-23 02:18:35,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:35" (1/1) ... [2018-11-23 02:18:35,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:35" (1/1) ... [2018-11-23 02:18:35,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:18:35,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:18:35,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:18:35,254 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:18:35,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/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 02:18:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:18:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 02:18:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:18:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:18:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 02:18:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 02:18:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 02:18:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:18:35,463 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 02:18:35,477 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 02:18:35,600 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:18:35,600 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-11-23 02:18:35,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:35 BoogieIcfgContainer [2018-11-23 02:18:35,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:18:35,601 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 02:18:35,601 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 02:18:35,613 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 02:18:35,613 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:35" (1/1) ... [2018-11-23 02:18:35,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:18:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:18:35,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-11-23 02:18:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-11-23 02:18:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 02:18:35,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:18:35,693 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 02:18:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:18:35,715 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:18:35,723 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 02:18:35,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:18:35,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-23 02:18:35,730 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-23 02:18:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 02:18:35,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:18:35,731 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 02:18:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:18:35,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:18:35,820 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 02:18:36,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:18:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-11-23 02:18:36,006 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-11-23 02:18:36,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 02:18:36,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:18:36,007 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 02:18:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:18:36,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:18:36,100 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 02:18:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:18:36,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2018-11-23 02:18:36,716 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2018-11-23 02:18:36,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 02:18:36,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:18:36,718 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 02:18:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:18:36,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:18:36,730 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 02:18:36,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:18:36,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2018-11-23 02:18:36,735 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2018-11-23 02:18:36,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 02:18:36,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:18:36,736 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 02:18:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:18:36,760 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:18:36,944 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 02:18:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:18:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2018-11-23 02:18:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-11-23 02:18:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 02:18:37,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:18:37,546 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 02:18:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:18:37,559 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:18:37,789 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 02:18:39,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:18:39,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-11-23 02:18:39,073 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-11-23 02:18:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 02:18:39,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:18:39,074 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 02:18:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:18:39,090 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:18:39,436 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 02:18:41,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:18:41,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2018-11-23 02:18:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-11-23 02:18:41,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:18:41,338 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-23 02:18:41,345 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 02:18:41,393 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:18:41,395 INFO L579 CodeCheckObserver]: Invariant with dag size 4 [2018-11-23 02:18:41,399 INFO L579 CodeCheckObserver]: Invariant with dag size 8 [2018-11-23 02:18:41,400 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-23 02:18:41,401 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,401 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,402 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,402 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,402 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,403 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,403 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,403 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,403 INFO L579 CodeCheckObserver]: Invariant with dag size 4 [2018-11-23 02:18:41,404 INFO L579 CodeCheckObserver]: Invariant with dag size 4 [2018-11-23 02:18:41,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:18:41 ImpRootNode [2018-11-23 02:18:41,405 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 02:18:41,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:18:41,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:18:41,407 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:18:41,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:35" (3/4) ... [2018-11-23 02:18:41,411 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:18:41,421 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-23 02:18:41,421 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 02:18:41,421 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:18:41,442 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && signbit == ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0)) [2018-11-23 02:18:41,442 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2018-11-23 02:18:41,459 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fb4e645b-0fe2-42a2-b036-20aa4a0a5bc0/bin-2019/ukojak/witness.graphml [2018-11-23 02:18:41,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:18:41,460 INFO L168 Benchmark]: Toolchain (without parser) took 6475.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.2 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -115.8 MB). Peak memory consumption was 93.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:18:41,461 INFO L168 Benchmark]: CDTParser took 0.16 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 02:18:41,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.94 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:18:41,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.67 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:18:41,462 INFO L168 Benchmark]: Boogie Preprocessor took 28.67 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:18:41,462 INFO L168 Benchmark]: RCFGBuilder took 346.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-23 02:18:41,462 INFO L168 Benchmark]: CodeCheck took 5805.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.0 MB). Peak memory consumption was 105.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:18:41,462 INFO L168 Benchmark]: Witness Printer took 52.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:18:41,465 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 25 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1132 SDtfs, 478 SDslu, 260 SDs, 0 SdLazy, 2054 SolverSat, 464 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 687 GetRequests, 615 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1646 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 78 ConstructedInterpolants, 13 QuantifiedInterpolants, 4301 SizeOfPredicates, 30 NumberOfNonLiveVariables, 215 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 67]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 24]: Loop Invariant [2018-11-23 02:18:41,467 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,467 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,467 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,467 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,468 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,468 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,468 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-11-23 02:18:41,468 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && signbit == ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0)) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 211.94 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.67 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.67 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 346.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * CodeCheck took 5805.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.0 MB). Peak memory consumption was 105.8 MB. Max. memory is 11.5 GB. * Witness Printer took 52.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] RESULT: Ultimate proved your program to be correct! Received shutdown request...