./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1232a_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_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/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 cd0c8f7b91fa815011541d5ffb41102d34132ba8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/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 cd0c8f7b91fa815011541d5ffb41102d34132ba8 ............................................................................................................................................................................................................................................................................... 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 14:21:25,224 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:21:25,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:21:25,231 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:21:25,231 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:21:25,232 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:21:25,233 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:21:25,234 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:21:25,235 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:21:25,236 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:21:25,236 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:21:25,237 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:21:25,237 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:21:25,238 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:21:25,239 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:21:25,239 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:21:25,240 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:21:25,241 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:21:25,243 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:21:25,244 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:21:25,245 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:21:25,246 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:21:25,247 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:21:25,247 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:21:25,248 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:21:25,248 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:21:25,249 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:21:25,250 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:21:25,250 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:21:25,251 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:21:25,251 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:21:25,252 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:21:25,252 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:21:25,252 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:21:25,253 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:21:25,254 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:21:25,254 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 14:21:25,264 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:21:25,265 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:21:25,265 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:21:25,265 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 14:21:25,266 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:21:25,266 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:21:25,266 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:21:25,266 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:21:25,266 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:21:25,267 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:21:25,267 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:21:25,267 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:21:25,267 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:21:25,267 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:21:25,267 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:21:25,267 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:21:25,268 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:21:25,268 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:21:25,268 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 14:21:25,268 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 14:21:25,268 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:21:25,268 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:21:25,268 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 14:21:25,269 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:21:25,269 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:21:25,269 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:21:25,269 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 14:21:25,269 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:21:25,269 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:21:25,269 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_0c7df03b-fe59-449e-8722-168d7b6d54a5/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 -> cd0c8f7b91fa815011541d5ffb41102d34132ba8 [2018-11-23 14:21:25,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:21:25,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:21:25,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:21:25,302 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:21:25,302 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:21:25,303 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1232a_true-unreach-call.c [2018-11-23 14:21:25,337 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/data/7deffad74/40c62213dcd344239017e24bd8f1cbe7/FLAG57b985d98 [2018-11-23 14:21:25,652 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:21:25,652 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/sv-benchmarks/c/float-newlib/float_req_bl_1232a_true-unreach-call.c [2018-11-23 14:21:25,657 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/data/7deffad74/40c62213dcd344239017e24bd8f1cbe7/FLAG57b985d98 [2018-11-23 14:21:25,667 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/data/7deffad74/40c62213dcd344239017e24bd8f1cbe7 [2018-11-23 14:21:25,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:21:25,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:21:25,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:21:25,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:21:25,673 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:21:25,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:25" (1/1) ... [2018-11-23 14:21:25,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b02929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:25, skipping insertion in model container [2018-11-23 14:21:25,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:25" (1/1) ... [2018-11-23 14:21:25,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:21:25,693 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:21:25,807 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:21:25,809 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:21:25,823 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:21:25,835 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:21:25,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:25 WrapperNode [2018-11-23 14:21:25,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:21:25,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:21:25,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:21:25,836 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:21:25,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:25" (1/1) ... [2018-11-23 14:21:25,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:25" (1/1) ... [2018-11-23 14:21:25,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:21:25,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:21:25,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:21:25,858 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:21:25,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:25" (1/1) ... [2018-11-23 14:21:25,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:25" (1/1) ... [2018-11-23 14:21:25,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:25" (1/1) ... [2018-11-23 14:21:25,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:25" (1/1) ... [2018-11-23 14:21:25,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:25" (1/1) ... [2018-11-23 14:21:25,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:25" (1/1) ... [2018-11-23 14:21:25,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:25" (1/1) ... [2018-11-23 14:21:25,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:21:25,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:21:25,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:21:25,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:21:25,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/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 14:21:25,944 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-23 14:21:25,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-23 14:21:25,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 14:21:25,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:21:25,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:21:25,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:21:25,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 14:21:25,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 14:21:26,253 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:21:26,254 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 14:21:26,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:26 BoogieIcfgContainer [2018-11-23 14:21:26,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:21:26,254 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 14:21:26,254 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 14:21:26,261 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 14:21:26,262 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:26" (1/1) ... [2018-11-23 14:21:26,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:21:26,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:21:26,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-11-23 14:21:26,292 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-11-23 14:21:26,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 14:21:26,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:21:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:21:26,370 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 14:21:26,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:21:26,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-11-23 14:21:26,379 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-11-23 14:21:26,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 14:21:26,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:21:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:21:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:21:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:21:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:21:26,475 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~ret7, main_#t~ret8, main_#t~short9, main_~x~0, main_~y~0, main_~res~0;main_~x~0 := 0.0;main_~y~0 := ~someUnaryFLOAToperation(0.0);fmin_float_#in~x, fmin_float_#in~y := main_~x~0, main_~y~0;havoc fmin_float_#res;havoc fmin_float_#t~ret2, fmin_float_#t~ret3, fmin_float_#t~ite4, fmin_float_~x, fmin_float_~y;fmin_float_~x := fmin_float_#in~x;fmin_float_~y := fmin_float_#in~y; VAL [ULTIMATE.start_fmin_float_~x=0.0, ULTIMATE.start_fmin_float_~y=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmin_float_#in~x|=0.0, |ULTIMATE.start_fmin_float_#in~y|=1.0] [?] CALL call fmin_float_#t~ret2 := __fpclassify_float(fmin_float_~x); VAL [|#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] ~x := #in~x;havoc ~w~0; VAL [__fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := #t~mem0;call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [__fpclassify_float_~w~0=2139095041, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] goto; VAL [__fpclassify_float_~w~0=2139095041, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] BeginParallelComposition{ParallelCodeBlock0: assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296;#res := 2;ParallelCodeBlock1: assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296);BeginParallelComposition{ParallelCodeBlock0: assume (~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687);#res := 4;ParallelCodeBlock1: assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687));BeginParallelComposition{ParallelCodeBlock0: assume (~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255);#res := 3;ParallelCodeBlock1: assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255));BeginParallelComposition{ParallelCodeBlock0: assume 2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296;#res := 1;ParallelCodeBlock1: assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296);#res := 0;}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelCompositionassume true; VAL [__fpclassify_float_~w~0=2139095041, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0, |__fpclassify_float_#res|=0] [?] RET #88#return; VAL [ULTIMATE.start_fmin_float_~x=0.0, ULTIMATE.start_fmin_float_~y=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmin_float_#in~x|=0.0, |ULTIMATE.start_fmin_float_#in~y|=1.0, |ULTIMATE.start_fmin_float_#t~ret2|=0] [?] assume -2147483648 <= fmin_float_#t~ret2 && fmin_float_#t~ret2 <= 2147483647; VAL [ULTIMATE.start_fmin_float_~x=0.0, ULTIMATE.start_fmin_float_~y=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmin_float_#in~x|=0.0, |ULTIMATE.start_fmin_float_#in~y|=1.0, |ULTIMATE.start_fmin_float_#t~ret2|=0] [?] assume 0 == fmin_float_#t~ret2;havoc fmin_float_#t~ret2;fmin_float_#res := fmin_float_~y; VAL [ULTIMATE.start_fmin_float_~x=0.0, ULTIMATE.start_fmin_float_~y=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmin_float_#in~x|=0.0, |ULTIMATE.start_fmin_float_#in~y|=1.0, |ULTIMATE.start_fmin_float_#res|=1.0] [?] main_#t~ret7 := fmin_float_#res;main_~res~0 := main_#t~ret7;havoc main_#t~ret7;main_#t~short9 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [ULTIMATE.start_fmin_float_~x=0.0, ULTIMATE.start_fmin_float_~y=1.0, ULTIMATE.start_main_~res~0=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmin_float_#in~x|=0.0, |ULTIMATE.start_fmin_float_#in~y|=1.0, |ULTIMATE.start_fmin_float_#res|=1.0, |ULTIMATE.start_main_#t~short9|=false] [?] assume !main_#t~short9; VAL [ULTIMATE.start_fmin_float_~x=0.0, ULTIMATE.start_fmin_float_~y=1.0, ULTIMATE.start_main_~res~0=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmin_float_#in~x|=0.0, |ULTIMATE.start_fmin_float_#in~y|=1.0, |ULTIMATE.start_fmin_float_#res|=1.0, |ULTIMATE.start_main_#t~short9|=false] [?] assume !main_#t~short9;havoc main_#t~ret8;havoc main_#t~short9; VAL [ULTIMATE.start_fmin_float_~x=0.0, ULTIMATE.start_fmin_float_~y=1.0, ULTIMATE.start_main_~res~0=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmin_float_#in~x|=0.0, |ULTIMATE.start_fmin_float_#in~y|=1.0, |ULTIMATE.start_fmin_float_#res|=1.0] [?] assume !false; VAL [ULTIMATE.start_fmin_float_~x=0.0, ULTIMATE.start_fmin_float_~y=1.0, ULTIMATE.start_main_~res~0=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmin_float_#in~x|=0.0, |ULTIMATE.start_fmin_float_#in~y|=1.0, |ULTIMATE.start_fmin_float_#res|=1.0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret7, main_#t~ret8, main_#t~short9, main_~x~0, main_~y~0, main_~res~0; [L64] main_~x~0 := 0.0; [L65] main_~y~0 := ~someUnaryFLOAToperation(0.0); [L66] fmin_float_#in~x, fmin_float_#in~y := main_~x~0, main_~y~0; [L66] havoc fmin_float_#res; [L66] havoc fmin_float_#t~ret2, fmin_float_#t~ret3, fmin_float_#t~ite4, fmin_float_~x, fmin_float_~y; [L35-L42] fmin_float_~x := fmin_float_#in~x; [L35-L42] fmin_float_~y := fmin_float_#in~y; VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L36] CALL call fmin_float_#t~ret2 := __fpclassify_float(fmin_float_~x); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0] [L12-L33] ~x := #in~x; [L13] havoc ~w~0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~x=0.0] [L16] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L17] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L18] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L18] ~w~0 := #t~mem0; [L18] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L18] havoc #t~mem0; [L18] havoc #t~union1; [L16] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L16] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=2139095041, ~x=0.0] [L21-L32] assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); [L23-L32] assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); [L26-L32] assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); [L29-L32] assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296); [L32] #res := 0; [L12-L33] ensures true; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, #res=0, ~w~0=2139095041, ~x=0.0] [L36] RET call fmin_float_#t~ret2 := __fpclassify_float(fmin_float_~x); VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#t~ret2=0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L36] assume -2147483648 <= fmin_float_#t~ret2 && fmin_float_#t~ret2 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#t~ret2=0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L36-L37] assume 0 == fmin_float_#t~ret2; [L36] havoc fmin_float_#t~ret2; [L37] fmin_float_#res := fmin_float_~y; VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L66] main_#t~ret7 := fmin_float_#res; [L66] main_~res~0 := main_#t~ret7; [L66] havoc main_#t~ret7; [L69] main_#t~short9 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_#t~short9=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L69] assume !main_#t~short9; VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_#t~short9=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L69-L72] assume !main_#t~short9; [L69] havoc main_#t~ret8; [L69] havoc main_#t~short9; VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L70] assert false; VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] ----- ----- 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~ret7, main_#t~ret8, main_#t~short9, main_~x~0, main_~y~0, main_~res~0; [L64] main_~x~0 := 0.0; [L65] main_~y~0 := ~someUnaryFLOAToperation(0.0); [L66] fmin_float_#in~x, fmin_float_#in~y := main_~x~0, main_~y~0; [L66] havoc fmin_float_#res; [L66] havoc fmin_float_#t~ret2, fmin_float_#t~ret3, fmin_float_#t~ite4, fmin_float_~x, fmin_float_~y; [L35-L42] fmin_float_~x := fmin_float_#in~x; [L35-L42] fmin_float_~y := fmin_float_#in~y; VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L36] CALL call fmin_float_#t~ret2 := __fpclassify_float(fmin_float_~x); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0] [L12-L33] ~x := #in~x; [L13] havoc ~w~0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~x=0.0] [L16] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L17] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L18] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L18] ~w~0 := #t~mem0; [L18] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L18] havoc #t~mem0; [L18] havoc #t~union1; [L16] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L16] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=2139095041, ~x=0.0] [L21-L32] assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); [L23-L32] assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); [L26-L32] assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); [L29-L32] assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296); [L32] #res := 0; [L12-L33] ensures true; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, #res=0, ~w~0=2139095041, ~x=0.0] [L36] RET call fmin_float_#t~ret2 := __fpclassify_float(fmin_float_~x); VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#t~ret2=0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L36] assume -2147483648 <= fmin_float_#t~ret2 && fmin_float_#t~ret2 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#t~ret2=0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L36-L37] assume 0 == fmin_float_#t~ret2; [L36] havoc fmin_float_#t~ret2; [L37] fmin_float_#res := fmin_float_~y; VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L66] main_#t~ret7 := fmin_float_#res; [L66] main_~res~0 := main_#t~ret7; [L66] havoc main_#t~ret7; [L69] main_#t~short9 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_#t~short9=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L69] assume !main_#t~short9; VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_#t~short9=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L69-L72] assume !main_#t~short9; [L69] havoc main_#t~ret8; [L69] havoc main_#t~short9; VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L70] assert false; VAL [#NULL.base=0, #NULL.offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret7, main_#t~ret8, main_#t~short9, main_~x~0, main_~y~0, main_~res~0; [L64] main_~x~0 := 0.0; [L65] main_~y~0 := ~someUnaryFLOAToperation(0.0); [L66] fmin_float_#in~x, fmin_float_#in~y := main_~x~0, main_~y~0; [L66] havoc fmin_float_#res; [L66] havoc fmin_float_#t~ret2, fmin_float_#t~ret3, fmin_float_#t~ite4, fmin_float_~x, fmin_float_~y; [L35-L42] fmin_float_~x := fmin_float_#in~x; [L35-L42] fmin_float_~y := fmin_float_#in~y; VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L36] CALL call fmin_float_#t~ret2 := __fpclassify_float(fmin_float_~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L12-L33] ~x := #in~x; [L13] havoc ~w~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L16] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L17] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] ~w~0 := #t~mem0; [L18] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] havoc #t~mem0; [L18] havoc #t~union1; [L16] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L16] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=2139095041, ~x=0.0] [L21] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) [L23-L24] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) [L26-L27] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) [L29] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L32] #res := 0; [L36] RET call fmin_float_#t~ret2 := __fpclassify_float(fmin_float_~x); VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#t~ret2=0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L36] assume -2147483648 <= fmin_float_#t~ret2 && fmin_float_#t~ret2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#t~ret2=0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L36] COND TRUE 0 == fmin_float_#t~ret2 [L36] havoc fmin_float_#t~ret2; [L37] fmin_float_#res := fmin_float_~y; VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L66] main_#t~ret7 := fmin_float_#res; [L66] main_~res~0 := main_#t~ret7; [L66] havoc main_#t~ret7; [L69] main_#t~short9 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_#t~short9=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L69] COND FALSE !(main_#t~short9) VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_#t~short9=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L69] COND TRUE !main_#t~short9 [L69] havoc main_#t~ret8; [L69] havoc main_#t~short9; VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L70] assert false; VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret7, main_#t~ret8, main_#t~short9, main_~x~0, main_~y~0, main_~res~0; [L64] main_~x~0 := 0.0; [L65] main_~y~0 := ~someUnaryFLOAToperation(0.0); [L66] fmin_float_#in~x, fmin_float_#in~y := main_~x~0, main_~y~0; [L66] havoc fmin_float_#res; [L66] havoc fmin_float_#t~ret2, fmin_float_#t~ret3, fmin_float_#t~ite4, fmin_float_~x, fmin_float_~y; [L35-L42] fmin_float_~x := fmin_float_#in~x; [L35-L42] fmin_float_~y := fmin_float_#in~y; VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L36] CALL call fmin_float_#t~ret2 := __fpclassify_float(fmin_float_~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L12-L33] ~x := #in~x; [L13] havoc ~w~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L16] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L17] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] ~w~0 := #t~mem0; [L18] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] havoc #t~mem0; [L18] havoc #t~union1; [L16] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L16] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=2139095041, ~x=0.0] [L21] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) [L23-L24] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) [L26-L27] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) [L29] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L32] #res := 0; [L36] RET call fmin_float_#t~ret2 := __fpclassify_float(fmin_float_~x); VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#t~ret2=0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L36] assume -2147483648 <= fmin_float_#t~ret2 && fmin_float_#t~ret2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#t~ret2=0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L36] COND TRUE 0 == fmin_float_#t~ret2 [L36] havoc fmin_float_#t~ret2; [L37] fmin_float_#res := fmin_float_~y; VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L66] main_#t~ret7 := fmin_float_#res; [L66] main_~res~0 := main_#t~ret7; [L66] havoc main_#t~ret7; [L69] main_#t~short9 := ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_#t~short9=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L69] COND FALSE !(main_#t~short9) VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_#t~short9=false, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L69] COND TRUE !main_#t~short9 [L69] havoc main_#t~ret8; [L69] havoc main_#t~short9; VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L70] assert false; VAL [#NULL!base=0, #NULL!offset=0, fmin_float_#in~x=0.0, fmin_float_#in~y=1.0, fmin_float_#res=1.0, fmin_float_~x=0.0, fmin_float_~y=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L64] ~x~0 := 0.0; [L65] ~y~0 := ~someUnaryFLOAToperation(0.0); [L35-L42] ~x := #in~x; [L35-L42] ~y := #in~y; VAL [#NULL!base=0, #NULL!offset=0] [L36] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L12-L33] ~x := #in~x; [L13] havoc ~w~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L16] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L17] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] ~w~0 := #t~mem0; [L18] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] havoc #t~mem0; [L18] havoc #t~union1; [L16] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L16] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=2139095041, ~x=0.0] [L21] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) [L23-L24] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) [L26-L27] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) [L29] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L32] #res := 0; [L36] RET call #t~ret2 := __fpclassify_float(~x); VAL [#NULL!base=0, #NULL!offset=0] [L36] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L36] COND TRUE 0 == #t~ret2 [L36] havoc #t~ret2; [L37] #res := ~y; VAL [#NULL!base=0, #NULL!offset=0] [L66] ~res~0 := #t~ret7; [L66] havoc #t~ret7; [L69] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0] [L69] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0] [L69] COND TRUE !#t~short9 [L69] havoc #t~ret8; [L69] havoc #t~short9; VAL [#NULL!base=0, #NULL!offset=0] [L70] 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; [L64] ~x~0 := 0.0; [L65] ~y~0 := ~someUnaryFLOAToperation(0.0); [L35-L42] ~x := #in~x; [L35-L42] ~y := #in~y; VAL [#NULL!base=0, #NULL!offset=0] [L36] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L12-L33] ~x := #in~x; [L13] havoc ~w~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L16] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L17] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] ~w~0 := #t~mem0; [L18] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] havoc #t~mem0; [L18] havoc #t~union1; [L16] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L16] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=2139095041, ~x=0.0] [L21] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) [L23-L24] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) [L26-L27] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) [L29] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L32] #res := 0; [L36] RET call #t~ret2 := __fpclassify_float(~x); VAL [#NULL!base=0, #NULL!offset=0] [L36] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L36] COND TRUE 0 == #t~ret2 [L36] havoc #t~ret2; [L37] #res := ~y; VAL [#NULL!base=0, #NULL!offset=0] [L66] ~res~0 := #t~ret7; [L66] havoc #t~ret7; [L69] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0] [L69] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0] [L69] COND TRUE !#t~short9 [L69] havoc #t~ret8; [L69] havoc #t~short9; VAL [#NULL!base=0, #NULL!offset=0] [L70] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L64] float x = 0.0f; [L65] float y = -0.0f; [L36] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0] [L13] __uint32_t w; VAL [\old(x)=0, x=0] [L16] ieee_float_shape_type gf_u; [L17] gf_u.value = (x) [L18] EXPR gf_u.word [L18] (w) = gf_u.word [L21] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L23-L24] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L26-L27] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L29] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L32] return 0; [L36] RET, EXPR __fpclassify_float(x) [L36] COND TRUE __fpclassify_float(x) == 0 [L37] return y; [L66] float res = fmin_float(x, y); [L69] EXPR res == -0.0f && __signbit_float(res) == 1 [L69] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L70] __VERIFIER_error() ----- [2018-11-23 14:21:26,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:21:26 ImpRootNode [2018-11-23 14:21:26,521 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 14:21:26,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:21:26,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:21:26,521 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:21:26,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:26" (3/4) ... [2018-11-23 14:21:26,525 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 14:21:26,525 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:21:26,526 INFO L168 Benchmark]: Toolchain (without parser) took 856.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -105.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-11-23 14:21:26,527 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:21:26,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.36 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 944.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:21:26,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.63 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:21:26,529 INFO L168 Benchmark]: Boogie Preprocessor took 53.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:21:26,529 INFO L168 Benchmark]: RCFGBuilder took 342.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-11-23 14:21:26,530 INFO L168 Benchmark]: CodeCheck took 266.61 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: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:21:26,530 INFO L168 Benchmark]: Witness Printer took 4.01 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 14:21:26,533 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 2 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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: 70]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someUnaryFLOAToperation at line 65. Possible FailurePath: [L64] float x = 0.0f; [L65] float y = -0.0f; [L36] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0] [L13] __uint32_t w; VAL [\old(x)=0, x=0] [L16] ieee_float_shape_type gf_u; [L17] gf_u.value = (x) [L18] EXPR gf_u.word [L18] (w) = gf_u.word [L21] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L23-L24] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L26-L27] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L29] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L32] return 0; [L36] RET, EXPR __fpclassify_float(x) [L36] COND TRUE __fpclassify_float(x) == 0 [L37] return y; [L66] float res = fmin_float(x, y); [L69] EXPR res == -0.0f && __signbit_float(res) == 1 [L69] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L70] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 165.36 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 944.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.63 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 342.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * CodeCheck took 266.61 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: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.01 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 14:21:27,950 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:21:27,952 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:21:27,961 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:21:27,961 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:21:27,962 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:21:27,962 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:21:27,964 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:21:27,965 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:21:27,965 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:21:27,966 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:21:27,966 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:21:27,967 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:21:27,968 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:21:27,968 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:21:27,969 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:21:27,970 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:21:27,971 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:21:27,972 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:21:27,973 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:21:27,974 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:21:27,975 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:21:27,976 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:21:27,977 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:21:27,977 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:21:27,978 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:21:27,978 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:21:27,979 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:21:27,979 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:21:27,980 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:21:27,980 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:21:27,981 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:21:27,981 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:21:27,981 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:21:27,982 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:21:27,982 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:21:27,982 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 14:21:27,993 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:21:27,993 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:21:27,994 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:21:27,994 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 14:21:27,994 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:21:27,995 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:21:27,995 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:21:27,995 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:21:27,995 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:21:27,995 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:21:27,995 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:21:27,995 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:21:27,996 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:21:27,996 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 14:21:27,996 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 14:21:27,996 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:21:27,996 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:21:27,996 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:21:27,996 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:21:27,997 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 14:21:27,997 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 14:21:27,997 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:21:27,997 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:21:27,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 14:21:27,997 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:21:27,997 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:21:27,998 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:21:27,998 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 14:21:27,998 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 14:21:27,998 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:21:27,998 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 14:21:27,998 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 14:21:27,998 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_0c7df03b-fe59-449e-8722-168d7b6d54a5/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 -> cd0c8f7b91fa815011541d5ffb41102d34132ba8 [2018-11-23 14:21:28,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:21:28,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:21:28,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:21:28,041 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:21:28,041 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:21:28,042 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1232a_true-unreach-call.c [2018-11-23 14:21:28,079 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/data/289191a11/b7d5ea01936a4d6b8396215f83f7652e/FLAGe0fc1be33 [2018-11-23 14:21:28,470 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:21:28,471 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/sv-benchmarks/c/float-newlib/float_req_bl_1232a_true-unreach-call.c [2018-11-23 14:21:28,474 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/data/289191a11/b7d5ea01936a4d6b8396215f83f7652e/FLAGe0fc1be33 [2018-11-23 14:21:28,483 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/data/289191a11/b7d5ea01936a4d6b8396215f83f7652e [2018-11-23 14:21:28,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:21:28,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:21:28,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:21:28,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:21:28,490 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:21:28,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:28" (1/1) ... [2018-11-23 14:21:28,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567d81a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:28, skipping insertion in model container [2018-11-23 14:21:28,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:28" (1/1) ... [2018-11-23 14:21:28,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:21:28,517 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:21:28,647 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:21:28,651 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:21:28,671 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:21:28,688 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:21:28,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:28 WrapperNode [2018-11-23 14:21:28,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:21:28,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:21:28,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:21:28,688 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:21:28,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:28" (1/1) ... [2018-11-23 14:21:28,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:28" (1/1) ... [2018-11-23 14:21:28,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:21:28,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:21:28,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:21:28,712 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:21:28,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:28" (1/1) ... [2018-11-23 14:21:28,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:28" (1/1) ... [2018-11-23 14:21:28,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:28" (1/1) ... [2018-11-23 14:21:28,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:28" (1/1) ... [2018-11-23 14:21:28,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:28" (1/1) ... [2018-11-23 14:21:28,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:28" (1/1) ... [2018-11-23 14:21:28,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:28" (1/1) ... [2018-11-23 14:21:28,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:21:28,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:21:28,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:21:28,739 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:21:28,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/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 14:21:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-23 14:21:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-23 14:21:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:21:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 14:21:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:21:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:21:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 14:21:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 14:21:29,117 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:21:29,117 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 14:21:29,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:29 BoogieIcfgContainer [2018-11-23 14:21:29,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:21:29,118 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 14:21:29,118 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 14:21:29,124 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 14:21:29,124 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:29" (1/1) ... [2018-11-23 14:21:29,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:21:29,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:21:29,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-23 14:21:29,153 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-23 14:21:29,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 14:21:29,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:21:29,198 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 14:21:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:21:29,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:21:29,233 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 14:21:29,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:21:29,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-23 14:21:29,243 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-23 14:21:29,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 14:21:29,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:21:29,244 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 14:21:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:21:29,258 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:21:29,304 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 14:21:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:21:29,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-11-23 14:21:29,380 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-11-23 14:21:29,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:21:29,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:21:29,381 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 14:21:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:21:29,397 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:21:29,399 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 14:21:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:21:29,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-11-23 14:21:29,403 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-11-23 14:21:29,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 14:21:29,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:21:29,404 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 14:21:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:21:29,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:21:29,504 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 14:21:29,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:21:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 30 transitions. [2018-11-23 14:21:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-11-23 14:21:29,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:21:29,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:21:29,680 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 14:21:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:21:29,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:21:30,696 WARN L180 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 143 [2018-11-23 14:21:31,733 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 14:21:32,204 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-11-23 14:21:32,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:21:32,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 18 transitions. [2018-11-23 14:21:32,549 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-11-23 14:21:32,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:21:32,550 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-23 14:21:32,557 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 14:21:32,678 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:21:32,680 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:21:32,680 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 14:21:32,684 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:21:32,684 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:21:32,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:21:32 ImpRootNode [2018-11-23 14:21:32,684 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 14:21:32,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:21:32,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:21:32,685 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:21:32,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:29" (3/4) ... [2018-11-23 14:21:32,687 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:21:32,695 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2018-11-23 14:21:32,698 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-23 14:21:32,699 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 14:21:32,699 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:21:32,716 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-23 14:21:32,734 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0c7df03b-fe59-449e-8722-168d7b6d54a5/bin-2019/ukojak/witness.graphml [2018-11-23 14:21:32,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:21:32,735 INFO L168 Benchmark]: Toolchain (without parser) took 4248.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 63.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:21:32,735 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 14:21:32,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.61 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 14:21:32,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.17 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:21:32,736 INFO L168 Benchmark]: Boogie Preprocessor took 26.65 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:21:32,736 INFO L168 Benchmark]: RCFGBuilder took 379.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:21:32,737 INFO L168 Benchmark]: CodeCheck took 3566.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -3.9 MB). Peak memory consumption was 61.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:21:32,737 INFO L168 Benchmark]: Witness Printer took 49.64 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 14:21:32,739 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 2 procedures, 29 locations, 1 error locations. SAFE Result, 3.4s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 18 SDslu, 14 SDs, 0 SdLazy, 412 SolverSat, 164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 535 GetRequests, 500 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 66 ConstructedInterpolants, 2 QuantifiedInterpolants, 11839 SizeOfPredicates, 27 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 5/5 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: 70]: 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: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 * 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 200.61 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 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 23.17 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.65 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 379.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * CodeCheck took 3566.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -3.9 MB). Peak memory consumption was 61.6 MB. Max. memory is 11.5 GB. * Witness Printer took 49.64 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. RESULT: Ultimate proved your program to be correct! Received shutdown request...