./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/volatile_alias_true-termination.c_true-unreach-call.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_f2592928-7f0c-49b1-9367-f606a7e8d921/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f2592928-7f0c-49b1-9367-f606a7e8d921/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f2592928-7f0c-49b1-9367-f606a7e8d921/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f2592928-7f0c-49b1-9367-f606a7e8d921/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/volatile_alias_true-termination.c_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f2592928-7f0c-49b1-9367-f606a7e8d921/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f2592928-7f0c-49b1-9367-f606a7e8d921/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 b4a4af23ae656ab916356d08324f42dc752fe903 ............................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:21:12,900 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:21:12,901 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:21:12,912 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:21:12,912 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:21:12,913 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:21:12,914 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:21:12,916 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:21:12,917 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:21:12,918 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:21:12,919 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:21:12,919 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:21:12,920 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:21:12,921 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:21:12,922 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:21:12,923 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:21:12,924 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:21:12,925 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:21:12,927 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:21:12,929 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:21:12,930 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:21:12,931 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:21:12,933 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:21:12,934 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:21:12,934 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:21:12,935 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:21:12,936 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:21:12,936 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:21:12,937 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:21:12,938 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:21:12,938 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:21:12,939 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:21:12,939 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:21:12,939 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:21:12,941 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:21:12,942 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:21:12,942 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f2592928-7f0c-49b1-9367-f606a7e8d921/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:21:12,955 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:21:12,955 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:21:12,956 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:21:12,956 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:21:12,957 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:21:12,957 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:21:12,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:21:12,957 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:21:12,958 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:21:12,958 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:21:12,958 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:21:12,958 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:21:12,958 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:21:12,958 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:21:12,959 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:21:12,959 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:21:12,959 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:21:12,959 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:21:12,959 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:21:12,959 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:21:12,959 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:21:12,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:21:12,960 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:21:12,962 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:21:12,962 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:21:12,963 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:21:12,963 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:21:12,963 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:21:12,963 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_f2592928-7f0c-49b1-9367-f606a7e8d921/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 -> b4a4af23ae656ab916356d08324f42dc752fe903 [2018-10-27 00:21:12,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:21:13,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:21:13,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:21:13,009 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:21:13,010 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:21:13,010 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f2592928-7f0c-49b1-9367-f606a7e8d921/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/volatile_alias_true-termination.c_true-unreach-call.i [2018-10-27 00:21:13,063 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2592928-7f0c-49b1-9367-f606a7e8d921/bin-2019/ukojak/data/db704d6ff/074fa07da344463694a16d5a0f347e5d/FLAG602c6c9a1 [2018-10-27 00:21:13,453 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:21:13,454 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f2592928-7f0c-49b1-9367-f606a7e8d921/sv-benchmarks/c/ldv-regression/volatile_alias_true-termination.c_true-unreach-call.i [2018-10-27 00:21:13,462 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2592928-7f0c-49b1-9367-f606a7e8d921/bin-2019/ukojak/data/db704d6ff/074fa07da344463694a16d5a0f347e5d/FLAG602c6c9a1 [2018-10-27 00:21:13,474 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f2592928-7f0c-49b1-9367-f606a7e8d921/bin-2019/ukojak/data/db704d6ff/074fa07da344463694a16d5a0f347e5d [2018-10-27 00:21:13,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:21:13,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:21:13,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:21:13,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:21:13,483 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:21:13,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:21:13" (1/1) ... [2018-10-27 00:21:13,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6629f2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:13, skipping insertion in model container [2018-10-27 00:21:13,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:21:13" (1/1) ... [2018-10-27 00:21:13,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:21:13,515 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:21:13,646 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:21:13,655 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:21:13,669 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:21:13,684 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:21:13,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:13 WrapperNode [2018-10-27 00:21:13,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:21:13,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:21:13,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:21:13,686 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:21:13,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:13" (1/1) ... [2018-10-27 00:21:13,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:13" (1/1) ... [2018-10-27 00:21:13,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:21:13,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:21:13,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:21:13,718 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:21:13,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:13" (1/1) ... [2018-10-27 00:21:13,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:13" (1/1) ... [2018-10-27 00:21:13,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:13" (1/1) ... [2018-10-27 00:21:13,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:13" (1/1) ... [2018-10-27 00:21:13,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:13" (1/1) ... [2018-10-27 00:21:13,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:13" (1/1) ... [2018-10-27 00:21:13,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:13" (1/1) ... [2018-10-27 00:21:13,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:21:13,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:21:13,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:21:13,737 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:21:13,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:21:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2592928-7f0c-49b1-9367-f606a7e8d921/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 [2018-10-27 00:21:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:21:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:21:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 00:21:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 00:21:14,433 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:21:14,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:21:14 BoogieIcfgContainer [2018-10-27 00:21:14,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:21:14,434 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:21:14,434 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:21:14,447 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:21:14,447 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:21:14" (1/1) ... [2018-10-27 00:21:14,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:21:14,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:14,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-27 00:21:14,517 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-27 00:21:14,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-27 00:21:14,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:14,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:21:14,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-10-27 00:21:14,881 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-10-27 00:21:14,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:21:14,882 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-10-27 00:21:14,891 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:21:14,908 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:21:14,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:21:14 ImpRootNode [2018-10-27 00:21:14,910 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:21:14,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:21:14,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:21:14,911 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:21:14,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:21:14" (3/4) ... [2018-10-27 00:21:14,915 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:21:14,924 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-27 00:21:14,925 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-27 00:21:14,925 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 00:21:14,925 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 00:21:14,970 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f2592928-7f0c-49b1-9367-f606a7e8d921/bin-2019/ukojak/witness.graphml [2018-10-27 00:21:14,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:21:14,971 INFO L168 Benchmark]: Toolchain (without parser) took 1493.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 958.6 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-10-27 00:21:14,973 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:21:14,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.30 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 947.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:21:14,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.57 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:21:14,974 INFO L168 Benchmark]: Boogie Preprocessor took 18.46 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 945.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:21:14,975 INFO L168 Benchmark]: RCFGBuilder took 697.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:21:14,976 INFO L168 Benchmark]: CodeCheck took 476.30 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-10-27 00:21:14,977 INFO L168 Benchmark]: Witness Printer took 59.70 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. [2018-10-27 00:21:14,980 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 14 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 - 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 - InvariantResult [Line: 12]: 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.30 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 947.9 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 31.57 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.46 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 945.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 697.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * CodeCheck took 476.30 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Witness Printer took 59.70 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...