./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1252a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1252a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/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 b649b8f673a0a47da0b16e77db6ba5e693ee3ba7 ................................................................................................................................................................................................................................................ 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_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1252a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/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 b649b8f673a0a47da0b16e77db6ba5e693ee3ba7 .................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 04:48:28,737 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:48:28,738 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:48:28,744 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:48:28,744 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:48:28,744 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:48:28,745 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:48:28,746 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:48:28,747 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:48:28,747 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:48:28,748 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:48:28,748 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:48:28,748 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:48:28,749 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:48:28,750 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:48:28,750 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:48:28,750 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:48:28,751 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:48:28,752 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:48:28,753 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:48:28,754 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:48:28,754 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:48:28,756 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:48:28,756 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:48:28,756 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:48:28,756 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:48:28,757 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:48:28,757 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:48:28,758 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:48:28,758 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:48:28,759 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:48:28,759 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:48:28,759 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:48:28,759 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:48:28,760 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:48:28,760 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:48:28,760 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 04:48:28,768 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:48:28,768 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:48:28,769 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:48:28,769 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 04:48:28,769 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 04:48:28,769 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 04:48:28,769 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:48:28,770 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:48:28,770 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:48:28,770 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:48:28,770 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:48:28,770 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:48:28,770 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:48:28,770 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:48:28,770 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:48:28,770 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:48:28,770 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 04:48:28,771 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:48:28,771 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 04:48:28,771 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 04:48:28,771 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:48:28,771 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:48:28,771 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 04:48:28,771 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:48:28,771 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:48:28,771 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:48:28,771 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 04:48:28,772 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:48:28,772 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:48:28,772 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_01d0bf62-67f3-46f0-a470-9e861e5c669c/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 -> b649b8f673a0a47da0b16e77db6ba5e693ee3ba7 [2018-12-02 04:48:28,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:48:28,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:48:28,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:48:28,798 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:48:28,798 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:48:28,799 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1252a_true-unreach-call.c [2018-12-02 04:48:28,833 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/data/2de38b483/e67c28e115e148269bf540640c8f53a5/FLAGd088c80ca [2018-12-02 04:48:29,245 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:48:29,245 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/sv-benchmarks/c/float-newlib/double_req_bl_1252a_true-unreach-call.c [2018-12-02 04:48:29,249 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/data/2de38b483/e67c28e115e148269bf540640c8f53a5/FLAGd088c80ca [2018-12-02 04:48:29,257 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/data/2de38b483/e67c28e115e148269bf540640c8f53a5 [2018-12-02 04:48:29,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:48:29,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:48:29,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:48:29,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:48:29,262 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:48:29,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:48:29" (1/1) ... [2018-12-02 04:48:29,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f41b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:29, skipping insertion in model container [2018-12-02 04:48:29,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:48:29" (1/1) ... [2018-12-02 04:48:29,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:48:29,277 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:48:29,369 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:48:29,371 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:48:29,387 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:48:29,399 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:48:29,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:29 WrapperNode [2018-12-02 04:48:29,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:48:29,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:48:29,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:48:29,400 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:48:29,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:29" (1/1) ... [2018-12-02 04:48:29,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:29" (1/1) ... [2018-12-02 04:48:29,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:48:29,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:48:29,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:48:29,454 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:48:29,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:29" (1/1) ... [2018-12-02 04:48:29,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:29" (1/1) ... [2018-12-02 04:48:29,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:29" (1/1) ... [2018-12-02 04:48:29,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:29" (1/1) ... [2018-12-02 04:48:29,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:29" (1/1) ... [2018-12-02 04:48:29,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:29" (1/1) ... [2018-12-02 04:48:29,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:29" (1/1) ... [2018-12-02 04:48:29,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:48:29,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:48:29,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:48:29,475 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:48:29,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 04:48:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-02 04:48:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-02 04:48:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 04:48:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:48:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:48:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:48:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 04:48:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 04:48:29,754 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:48:29,754 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-02 04:48:29,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:48:29 BoogieIcfgContainer [2018-12-02 04:48:29,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:48:29,754 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 04:48:29,754 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 04:48:29,761 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 04:48:29,761 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:48:29" (1/1) ... [2018-12-02 04:48:29,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:48:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:48:29,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-02 04:48:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-02 04:48:29,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 04:48:29,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:48:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:48:29,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:48:29,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:48:29,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-12-02 04:48:29,872 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-12-02 04:48:29,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 04:48:29,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:48:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:48:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:48:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:48:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:48:29,960 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-02 04:48:29,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 04:48:29 ImpRootNode [2018-12-02 04:48:29,984 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 04:48:29,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:48:29,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:48:29,985 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:48:29,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:48:29" (3/4) ... [2018-12-02 04:48:29,988 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 04:48:29,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:48:29,988 INFO L168 Benchmark]: Toolchain (without parser) took 729.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -96.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 04:48:29,990 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:48:29,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.70 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:48:29,991 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-02 04:48:29,991 INFO L168 Benchmark]: Boogie Preprocessor took 20.93 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. [2018-12-02 04:48:29,991 INFO L168 Benchmark]: RCFGBuilder took 279.62 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2018-12-02 04:48:29,992 INFO L168 Benchmark]: CodeCheck took 229.73 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:48:29,992 INFO L168 Benchmark]: Witness Printer took 3.46 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. [2018-12-02 04:48:29,995 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, 0.1s 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: 85]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someUnaryDOUBLEoperation at line 79. Possible FailurePath: [L79] double x = -0.0; [L80] double y = 0.0; [L52] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=1] [L24] __uint32_t msw, lsw; VAL [\old(x)=1, x=1] [L27] ieee_double_shape_type ew_u; [L28] ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] (msw) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] (lsw) = ew_u.parts.lsw [L33-L34] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L36-L37] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L39-L40] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L43-L44] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L47] return 0; [L52] RET, EXPR __fpclassify_double(x) [L52] COND TRUE __fpclassify_double(x) == 0 [L53] return y; [L81] double res = fmax_double(x, y); [L84] EXPR res == 0.0 && __signbit_double(res) == 0 [L84] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L85] __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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.70 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.93 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. * RCFGBuilder took 279.62 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * CodeCheck took 229.73 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.46 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 0.1.23-635dfa2 [2018-12-02 04:48:31,277 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:48:31,278 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:48:31,284 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:48:31,284 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:48:31,284 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:48:31,285 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:48:31,286 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:48:31,286 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:48:31,287 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:48:31,287 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:48:31,287 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:48:31,288 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:48:31,288 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:48:31,289 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:48:31,289 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:48:31,290 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:48:31,291 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:48:31,292 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:48:31,292 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:48:31,293 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:48:31,293 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:48:31,295 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:48:31,295 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:48:31,295 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:48:31,295 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:48:31,296 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:48:31,296 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:48:31,297 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:48:31,297 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:48:31,297 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:48:31,298 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:48:31,298 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:48:31,298 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:48:31,298 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:48:31,299 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:48:31,299 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-02 04:48:31,306 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:48:31,306 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:48:31,307 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:48:31,307 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 04:48:31,307 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 04:48:31,307 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 04:48:31,307 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:48:31,308 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:48:31,308 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:48:31,308 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:48:31,308 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:48:31,308 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:48:31,308 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:48:31,308 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 04:48:31,308 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 04:48:31,309 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:48:31,309 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:48:31,309 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 04:48:31,309 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:48:31,309 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 04:48:31,309 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 04:48:31,309 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:48:31,309 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:48:31,310 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 04:48:31,310 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:48:31,310 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:48:31,310 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:48:31,310 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 04:48:31,310 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 04:48:31,310 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:48:31,311 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 04:48:31,311 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 04:48:31,311 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_01d0bf62-67f3-46f0-a470-9e861e5c669c/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 -> b649b8f673a0a47da0b16e77db6ba5e693ee3ba7 [2018-12-02 04:48:31,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:48:31,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:48:31,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:48:31,346 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:48:31,346 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:48:31,347 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1252a_true-unreach-call.c [2018-12-02 04:48:31,386 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/data/49c4ce749/301fb28ed8124287b07d77467c6a7e16/FLAGe75226f28 [2018-12-02 04:48:31,780 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:48:31,781 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/sv-benchmarks/c/float-newlib/double_req_bl_1252a_true-unreach-call.c [2018-12-02 04:48:31,785 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/data/49c4ce749/301fb28ed8124287b07d77467c6a7e16/FLAGe75226f28 [2018-12-02 04:48:31,792 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/data/49c4ce749/301fb28ed8124287b07d77467c6a7e16 [2018-12-02 04:48:31,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:48:31,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:48:31,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:48:31,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:48:31,797 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:48:31,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:48:31" (1/1) ... [2018-12-02 04:48:31,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:31, skipping insertion in model container [2018-12-02 04:48:31,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:48:31" (1/1) ... [2018-12-02 04:48:31,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:48:31,814 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:48:31,916 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:48:31,920 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:48:31,941 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:48:31,957 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:48:31,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:31 WrapperNode [2018-12-02 04:48:31,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:48:31,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:48:31,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:48:31,958 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:48:31,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:31" (1/1) ... [2018-12-02 04:48:31,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:31" (1/1) ... [2018-12-02 04:48:31,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:48:31,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:48:31,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:48:31,982 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:48:32,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:31" (1/1) ... [2018-12-02 04:48:32,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:31" (1/1) ... [2018-12-02 04:48:32,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:31" (1/1) ... [2018-12-02 04:48:32,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:31" (1/1) ... [2018-12-02 04:48:32,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:31" (1/1) ... [2018-12-02 04:48:32,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:31" (1/1) ... [2018-12-02 04:48:32,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:31" (1/1) ... [2018-12-02 04:48:32,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:48:32,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:48:32,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:48:32,034 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:48:32,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:48:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 04:48:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 04:48:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-02 04:48:32,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-02 04:48:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:48:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 04:48:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:48:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:48:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 04:48:32,183 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:48:32,258 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:48:32,366 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:48:32,366 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-02 04:48:32,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:48:32 BoogieIcfgContainer [2018-12-02 04:48:32,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:48:32,367 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 04:48:32,367 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 04:48:32,373 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 04:48:32,373 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:48:32" (1/1) ... [2018-12-02 04:48:32,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:48:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:48:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-02 04:48:32,401 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-02 04:48:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 04:48:32,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:48:32,437 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:48:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:48:32,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:48:32,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:48:32,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:48:32,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-12-02 04:48:32,470 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-12-02 04:48:32,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 04:48:32,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:48:32,472 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:48:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:48:32,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:48:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:48:32,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:48:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-12-02 04:48:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-02 04:48:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 04:48:32,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:48:32,592 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:48:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:48:32,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:48:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:48:32,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:48:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-12-02 04:48:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-12-02 04:48:32,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 04:48:32,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:48:32,609 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:48:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:48:32,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:48:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:48:32,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:48:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 31 transitions. [2018-12-02 04:48:32,998 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-12-02 04:48:32,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 04:48:32,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:48:32,999 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:48:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:48:33,024 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:48:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 04:48:33,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:48:33,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 29 transitions. [2018-12-02 04:48:33,439 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2018-12-02 04:48:33,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 04:48:33,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:48:33,440 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:48:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:48:33,472 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:48:33,544 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 04:48:33,545 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 04:48:33,549 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-12-02 04:48:33,583 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-12-02 04:48:33,584 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 04:48:33,600 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-12-02 04:48:33,606 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-12-02 04:48:33,607 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 04:48:33,608 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:48:33,610 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:48:33,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 04:48:33,619 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-12-02 04:48:42,757 WARN L180 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 4205 DAG size of output: 221 [2018-12-02 04:48:43,296 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 04:48:43,297 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 04:48:43,298 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-12-02 04:48:43,355 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-12-02 04:48:43,355 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 04:48:43,372 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-12-02 04:48:43,387 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 9 [2018-12-02 04:48:43,387 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 04:48:43,394 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:48:43,400 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:48:43,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 04:48:43,410 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:57, output treesize:18 [2018-12-02 04:48:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 04:48:50,921 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-12-02 04:48:51,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:48:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 18 states and 18 transitions. [2018-12-02 04:48:51,755 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-12-02 04:48:51,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 04:48:51,756 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-02 04:48:51,761 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 04:48:51,990 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-12-02 04:48:51,994 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 04:48:51,996 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 04:48:51,996 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 04:48:52,000 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 04:48:52,000 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 04:48:52,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 04:48:52 ImpRootNode [2018-12-02 04:48:52,001 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 04:48:52,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:48:52,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:48:52,001 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:48:52,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:48:32" (3/4) ... [2018-12-02 04:48:52,003 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 04:48:52,006 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2018-12-02 04:48:52,009 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-02 04:48:52,009 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-02 04:48:52,009 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 04:48:52,025 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 04:48:52,038 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_01d0bf62-67f3-46f0-a470-9e861e5c669c/bin-2019/ukojak/witness.graphml [2018-12-02 04:48:52,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:48:52,039 INFO L168 Benchmark]: Toolchain (without parser) took 20244.19 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 329.3 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -259.4 MB). Peak memory consumption was 69.9 MB. Max. memory is 11.5 GB. [2018-12-02 04:48:52,039 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:48:52,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.50 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:48:52,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.71 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:48:52,040 INFO L168 Benchmark]: Boogie Preprocessor took 51.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-02 04:48:52,040 INFO L168 Benchmark]: RCFGBuilder took 333.05 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:48:52,040 INFO L168 Benchmark]: CodeCheck took 19633.88 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 198.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -109.5 MB). Peak memory consumption was 88.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:48:52,040 INFO L168 Benchmark]: Witness Printer took 37.29 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:48:52,041 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, 19.3s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 884 SDtfs, 40 SDslu, 32 SDs, 0 SdLazy, 804 SolverSat, 300 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 685 GetRequests, 638 SyntacticMatches, 9 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 17.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 16.8s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 87 ConstructedInterpolants, 12 QuantifiedInterpolants, 23390 SizeOfPredicates, 42 NumberOfNonLiveVariables, 341 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 10/10 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: 85]: 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: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.50 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.71 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 333.05 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * CodeCheck took 19633.88 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 198.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -109.5 MB). Peak memory consumption was 88.7 MB. Max. memory is 11.5 GB. * Witness Printer took 37.29 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...