./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/mutex_lock_struct_true-termination.c_true-unreach-call_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7f72e49c-7704-47e2-8258-ef968d339707/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7f72e49c-7704-47e2-8258-ef968d339707/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7f72e49c-7704-47e2-8258-ef968d339707/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7f72e49c-7704-47e2-8258-ef968d339707/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/mutex_lock_struct_true-termination.c_true-unreach-call_1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7f72e49c-7704-47e2-8258-ef968d339707/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7f72e49c-7704-47e2-8258-ef968d339707/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 b5f5081a79a52fea970666bdbaa0bec9706e6a67 .................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:21:35,909 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:21:35,911 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:21:35,923 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:21:35,923 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:21:35,924 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:21:35,926 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:21:35,927 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:21:35,929 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:21:35,930 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:21:35,931 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:21:35,931 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:21:35,933 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:21:35,934 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:21:35,935 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:21:35,936 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:21:35,937 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:21:35,939 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:21:35,942 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:21:35,943 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:21:35,945 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:21:35,947 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:21:35,949 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:21:35,950 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:21:35,950 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:21:35,951 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:21:35,952 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:21:35,954 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:21:35,954 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:21:35,956 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:21:35,957 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:21:35,957 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:21:35,958 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:21:35,958 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:21:35,959 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:21:35,960 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:21:35,960 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7f72e49c-7704-47e2-8258-ef968d339707/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 06:21:35,974 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:21:35,974 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:21:35,975 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:21:35,976 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 06:21:35,976 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 06:21:35,977 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 06:21:35,977 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:21:35,977 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:21:35,978 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:21:35,978 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:21:35,978 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:21:35,979 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:21:35,979 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:21:35,979 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:21:35,979 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:21:35,979 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:21:35,980 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:21:35,980 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 06:21:35,980 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 06:21:35,980 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:21:35,980 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:21:35,981 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 06:21:35,981 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:21:35,981 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:21:35,981 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:21:35,983 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 06:21:35,984 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:21:35,984 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:21:35,984 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_7f72e49c-7704-47e2-8258-ef968d339707/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 -> b5f5081a79a52fea970666bdbaa0bec9706e6a67 [2018-11-10 06:21:36,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:21:36,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:21:36,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:21:36,031 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:21:36,031 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:21:36,032 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7f72e49c-7704-47e2-8258-ef968d339707/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/mutex_lock_struct_true-termination.c_true-unreach-call_1.i [2018-11-10 06:21:36,086 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f72e49c-7704-47e2-8258-ef968d339707/bin-2019/ukojak/data/8ec4fb869/2caa70225cee477589bde06b04b639f4/FLAG5ad338750 [2018-11-10 06:21:36,476 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:21:36,476 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7f72e49c-7704-47e2-8258-ef968d339707/sv-benchmarks/c/ldv-regression/mutex_lock_struct_true-termination.c_true-unreach-call_1.i [2018-11-10 06:21:36,484 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f72e49c-7704-47e2-8258-ef968d339707/bin-2019/ukojak/data/8ec4fb869/2caa70225cee477589bde06b04b639f4/FLAG5ad338750 [2018-11-10 06:21:36,499 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7f72e49c-7704-47e2-8258-ef968d339707/bin-2019/ukojak/data/8ec4fb869/2caa70225cee477589bde06b04b639f4 [2018-11-10 06:21:36,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:21:36,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:21:36,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:21:36,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:21:36,510 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:21:36,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:21:36" (1/1) ... [2018-11-10 06:21:36,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ca410a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:36, skipping insertion in model container [2018-11-10 06:21:36,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:21:36" (1/1) ... [2018-11-10 06:21:36,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:21:36,544 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:21:36,683 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:21:36,693 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:21:36,707 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:21:36,721 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:21:36,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:36 WrapperNode [2018-11-10 06:21:36,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:21:36,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:21:36,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:21:36,723 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:21:36,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:36" (1/1) ... [2018-11-10 06:21:36,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:36" (1/1) ... [2018-11-10 06:21:36,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:21:36,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:21:36,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:21:36,761 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:21:36,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:36" (1/1) ... [2018-11-10 06:21:36,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:36" (1/1) ... [2018-11-10 06:21:36,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:36" (1/1) ... [2018-11-10 06:21:36,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:36" (1/1) ... [2018-11-10 06:21:36,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:36" (1/1) ... [2018-11-10 06:21:36,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:36" (1/1) ... [2018-11-10 06:21:36,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:36" (1/1) ... [2018-11-10 06:21:36,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:21:36,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:21:36,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:21:36,781 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:21:36,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:21:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f72e49c-7704-47e2-8258-ef968d339707/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 [2018-11-10 06:21:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 06:21:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure err [2018-11-10 06:21:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2018-11-10 06:21:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:21:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:21:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 06:21:37,279 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:21:37,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:21:37 BoogieIcfgContainer [2018-11-10 06:21:37,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:21:37,280 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 06:21:37,280 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 06:21:37,297 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 06:21:37,297 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:21:37" (1/1) ... [2018-11-10 06:21:37,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:21:37,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:21:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-11-10 06:21:37,350 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-11-10 06:21:37,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 06:21:37,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:21:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:21:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:21:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:21:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2018-11-10 06:21:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-11-10 06:21:37,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 06:21:37,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:21:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:21:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:21:37,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:21:37,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2018-11-10 06:21:37,755 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2018-11-10 06:21:37,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 06:21:37,756 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-10 06:21:37,767 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 06:21:37,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 06:21:37 ImpRootNode [2018-11-10 06:21:37,787 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 06:21:37,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:21:37,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:21:37,788 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:21:37,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:21:37" (3/4) ... [2018-11-10 06:21:37,792 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 06:21:37,798 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure err [2018-11-10 06:21:37,804 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-10 06:21:37,805 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 06:21:37,805 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 06:21:37,805 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 06:21:37,857 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7f72e49c-7704-47e2-8258-ef968d339707/bin-2019/ukojak/witness.graphml [2018-11-10 06:21:37,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:21:37,858 INFO L168 Benchmark]: Toolchain (without parser) took 1355.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 958.2 MB in the beginning and 1.0 GB in the end (delta: -84.6 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-10 06:21:37,860 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:21:37,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.89 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:21:37,861 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.29 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:21:37,862 INFO L168 Benchmark]: Boogie Preprocessor took 19.48 ms. Allocated memory is still 1.0 GB. Free memory is still 944.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:21:37,862 INFO L168 Benchmark]: RCFGBuilder took 499.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -131.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:21:37,863 INFO L168 Benchmark]: CodeCheck took 506.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-10 06:21:37,863 INFO L168 Benchmark]: Witness Printer took 70.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:21:37,866 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, 21 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 0 SDslu, 4 SDs, 0 SdLazy, 36 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 217.89 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 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 37.29 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.48 ms. Allocated memory is still 1.0 GB. Free memory is still 944.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 499.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -131.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 506.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Witness Printer took 70.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...