./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-divine/ring_1w1r_false-unreach-call.i --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_41768461-7b33-4779-b12a-8b26d1e5045c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_41768461-7b33-4779-b12a-8b26d1e5045c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_41768461-7b33-4779-b12a-8b26d1e5045c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_41768461-7b33-4779-b12a-8b26d1e5045c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_1w1r_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_41768461-7b33-4779-b12a-8b26d1e5045c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_41768461-7b33-4779-b12a-8b26d1e5045c/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 621a7682bed2f65e2eb833b3fdeb3d2d81029067 ................................................................................................................................................................................................................................. 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 03:23:27,542 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:23:27,543 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:23:27,552 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:23:27,552 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:23:27,552 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:23:27,553 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:23:27,555 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:23:27,556 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:23:27,556 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:23:27,557 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:23:27,557 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:23:27,558 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:23:27,559 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:23:27,560 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:23:27,560 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:23:27,561 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:23:27,562 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:23:27,563 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:23:27,565 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:23:27,565 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:23:27,566 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:23:27,568 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:23:27,568 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:23:27,569 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:23:27,569 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:23:27,570 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:23:27,571 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:23:27,571 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:23:27,572 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:23:27,572 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:23:27,573 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:23:27,573 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:23:27,573 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:23:27,574 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:23:27,575 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:23:27,575 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_41768461-7b33-4779-b12a-8b26d1e5045c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 03:23:27,587 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:23:27,587 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:23:27,587 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:23:27,588 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 03:23:27,588 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:23:27,588 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:23:27,588 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:23:27,589 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:23:27,589 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:23:27,589 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:23:27,589 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:23:27,589 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:23:27,589 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:23:27,590 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:23:27,590 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:23:27,590 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:23:27,590 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:23:27,590 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:23:27,590 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 03:23:27,591 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 03:23:27,591 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:23:27,591 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:23:27,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 03:23:27,591 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:23:27,592 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:23:27,592 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:23:27,592 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 03:23:27,592 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:23:27,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:23:27,592 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_41768461-7b33-4779-b12a-8b26d1e5045c/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 -> 621a7682bed2f65e2eb833b3fdeb3d2d81029067 [2018-11-23 03:23:27,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:23:27,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:23:27,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:23:27,631 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:23:27,631 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:23:27,631 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_41768461-7b33-4779-b12a-8b26d1e5045c/bin-2019/ukojak/../../sv-benchmarks/c/pthread-divine/ring_1w1r_false-unreach-call.i [2018-11-23 03:23:27,668 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_41768461-7b33-4779-b12a-8b26d1e5045c/bin-2019/ukojak/data/32461a415/f0c56fb0177b4c058225949b42985e6b/FLAG395906411 [2018-11-23 03:23:28,136 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:23:28,136 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_41768461-7b33-4779-b12a-8b26d1e5045c/sv-benchmarks/c/pthread-divine/ring_1w1r_false-unreach-call.i [2018-11-23 03:23:28,147 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_41768461-7b33-4779-b12a-8b26d1e5045c/bin-2019/ukojak/data/32461a415/f0c56fb0177b4c058225949b42985e6b/FLAG395906411 [2018-11-23 03:23:28,651 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_41768461-7b33-4779-b12a-8b26d1e5045c/bin-2019/ukojak/data/32461a415/f0c56fb0177b4c058225949b42985e6b [2018-11-23 03:23:28,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:23:28,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:23:28,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:23:28,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:23:28,659 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:23:28,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:23:28" (1/1) ... [2018-11-23 03:23:28,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff2e354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:28, skipping insertion in model container [2018-11-23 03:23:28,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:23:28" (1/1) ... [2018-11-23 03:23:28,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:23:28,707 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:23:28,824 WARN L613 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2018-11-23 03:23:28,955 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:23:28,962 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:23:29,024 WARN L613 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2018-11-23 03:23:29,051 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:23:29,116 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:23:29,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:29 WrapperNode [2018-11-23 03:23:29,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:23:29,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:23:29,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:23:29,117 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:23:29,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:29" (1/1) ... [2018-11-23 03:23:29,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:29" (1/1) ... [2018-11-23 03:23:29,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:23:29,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:23:29,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:23:29,152 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:23:29,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:29" (1/1) ... [2018-11-23 03:23:29,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:29" (1/1) ... [2018-11-23 03:23:29,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:29" (1/1) ... [2018-11-23 03:23:29,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:29" (1/1) ... [2018-11-23 03:23:29,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:29" (1/1) ... [2018-11-23 03:23:29,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:29" (1/1) ... [2018-11-23 03:23:29,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:29" (1/1) ... [2018-11-23 03:23:29,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:23:29,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:23:29,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:23:29,178 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:23:29,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_41768461-7b33-4779-b12a-8b26d1e5045c/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 03:23:29,218 INFO L130 BoogieDeclarations]: Found specification of procedure ring_empty [2018-11-23 03:23:29,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_empty [2018-11-23 03:23:29,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 03:23:29,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:23:29,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 03:23:29,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 03:23:29,219 INFO L130 BoogieDeclarations]: Found specification of procedure ring_dequeue [2018-11-23 03:23:29,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_dequeue [2018-11-23 03:23:29,220 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2018-11-23 03:23:29,220 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2018-11-23 03:23:29,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:23:29,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:23:29,221 WARN L198 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 03:23:29,568 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:23:29,568 INFO L280 CfgBuilder]: Removed 13 assue(true) statements. [2018-11-23 03:23:29,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:23:29 BoogieIcfgContainer [2018-11-23 03:23:29,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:23:29,569 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 03:23:29,569 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 03:23:29,575 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 03:23:29,576 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:23:29" (1/1) ... [2018-11-23 03:23:29,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:23:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:23:29,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 54 states and 57 transitions. [2018-11-23 03:23:29,608 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2018-11-23 03:23:29,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:23:29,611 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2018-11-23 03:23:29,619 INFO L775 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2018-11-23 03:23:29,662 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:23:29,664 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:23:29,665 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:23:29,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:23:29 ImpRootNode [2018-11-23 03:23:29,665 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 03:23:29,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:23:29,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:23:29,666 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:23:29,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:23:29" (3/4) ... [2018-11-23 03:23:29,669 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:23:29,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure reader_nowait_fn [2018-11-23 03:23:29,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ring_dequeue [2018-11-23 03:23:29,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ring_empty [2018-11-23 03:23:29,678 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-23 03:23:29,678 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 03:23:29,678 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:23:29,710 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_41768461-7b33-4779-b12a-8b26d1e5045c/bin-2019/ukojak/witness.graphml [2018-11-23 03:23:29,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:23:29,711 INFO L168 Benchmark]: Toolchain (without parser) took 1057.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -125.7 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:23:29,712 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:23:29,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:23:29,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.06 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 03:23:29,713 INFO L168 Benchmark]: Boogie Preprocessor took 26.14 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:23:29,714 INFO L168 Benchmark]: RCFGBuilder took 390.37 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:23:29,714 INFO L168 Benchmark]: CodeCheck took 96.51 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: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:23:29,714 INFO L168 Benchmark]: Witness Printer took 45.16 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:23:29,717 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 4 procedures, 102 locations, 3 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, 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: 844]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 848]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 849]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 461.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.06 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. * Boogie Preprocessor took 26.14 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 390.37 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * CodeCheck took 96.51 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: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Witness Printer took 45.16 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...