./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invariants/eq2_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0480c4ac-55eb-4a81-992c-b93ed4935a4e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0480c4ac-55eb-4a81-992c-b93ed4935a4e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0480c4ac-55eb-4a81-992c-b93ed4935a4e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0480c4ac-55eb-4a81-992c-b93ed4935a4e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invariants/eq2_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0480c4ac-55eb-4a81-992c-b93ed4935a4e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0480c4ac-55eb-4a81-992c-b93ed4935a4e/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 fdb1f2e16ca0cea0aeedbb6ec0b2cb707dfee0e0 ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:16:43,148 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:16:43,149 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:16:43,157 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:16:43,157 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:16:43,158 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:16:43,159 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:16:43,160 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:16:43,161 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:16:43,161 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:16:43,162 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:16:43,162 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:16:43,163 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:16:43,163 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:16:43,164 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:16:43,165 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:16:43,165 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:16:43,166 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:16:43,168 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:16:43,169 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:16:43,170 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:16:43,170 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:16:43,172 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:16:43,172 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:16:43,172 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:16:43,173 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:16:43,173 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:16:43,174 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:16:43,174 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:16:43,175 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:16:43,175 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:16:43,176 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:16:43,176 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:16:43,176 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:16:43,177 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:16:43,177 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:16:43,177 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0480c4ac-55eb-4a81-992c-b93ed4935a4e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:16:43,187 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:16:43,187 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:16:43,188 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:16:43,188 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:16:43,188 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:16:43,188 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:16:43,188 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:16:43,189 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:16:43,189 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:16:43,189 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:16:43,189 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:16:43,189 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:16:43,189 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:16:43,189 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:16:43,189 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:16:43,190 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:16:43,190 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:16:43,190 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:16:43,190 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:16:43,190 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:16:43,190 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:16:43,191 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:16:43,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:16:43,191 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:16:43,191 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:16:43,191 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:16:43,191 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:16:43,191 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:16:43,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:16:43,192 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_0480c4ac-55eb-4a81-992c-b93ed4935a4e/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 -> fdb1f2e16ca0cea0aeedbb6ec0b2cb707dfee0e0 [2018-11-18 17:16:43,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:16:43,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:16:43,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:16:43,229 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:16:43,229 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:16:43,230 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0480c4ac-55eb-4a81-992c-b93ed4935a4e/bin-2019/ukojak/../../sv-benchmarks/c/loop-invariants/eq2_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-18 17:16:43,273 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0480c4ac-55eb-4a81-992c-b93ed4935a4e/bin-2019/ukojak/data/6d8a60d5b/5248137ff5e1479c875866bd4681ed76/FLAG7ecdd000f [2018-11-18 17:16:43,568 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:16:43,568 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0480c4ac-55eb-4a81-992c-b93ed4935a4e/sv-benchmarks/c/loop-invariants/eq2_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-18 17:16:43,572 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0480c4ac-55eb-4a81-992c-b93ed4935a4e/bin-2019/ukojak/data/6d8a60d5b/5248137ff5e1479c875866bd4681ed76/FLAG7ecdd000f [2018-11-18 17:16:43,580 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0480c4ac-55eb-4a81-992c-b93ed4935a4e/bin-2019/ukojak/data/6d8a60d5b/5248137ff5e1479c875866bd4681ed76 [2018-11-18 17:16:43,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:16:43,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:16:43,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:16:43,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:16:43,586 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:16:43,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:16:43" (1/1) ... [2018-11-18 17:16:43,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6578f1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:43, skipping insertion in model container [2018-11-18 17:16:43,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:16:43" (1/1) ... [2018-11-18 17:16:43,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:16:43,606 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:16:43,703 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:16:43,705 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:16:43,713 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:16:43,720 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:16:43,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:43 WrapperNode [2018-11-18 17:16:43,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:16:43,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:16:43,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:16:43,721 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:16:43,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:43" (1/1) ... [2018-11-18 17:16:43,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:43" (1/1) ... [2018-11-18 17:16:43,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:16:43,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:16:43,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:16:43,740 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:16:43,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:43" (1/1) ... [2018-11-18 17:16:43,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:43" (1/1) ... [2018-11-18 17:16:43,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:43" (1/1) ... [2018-11-18 17:16:43,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:43" (1/1) ... [2018-11-18 17:16:43,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:43" (1/1) ... [2018-11-18 17:16:43,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:43" (1/1) ... [2018-11-18 17:16:43,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:43" (1/1) ... [2018-11-18 17:16:43,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:16:43,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:16:43,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:16:43,751 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:16:43,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0480c4ac-55eb-4a81-992c-b93ed4935a4e/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 [2018-11-18 17:16:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:16:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:16:43,922 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:16:43,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:16:43 BoogieIcfgContainer [2018-11-18 17:16:43,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:16:43,923 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:16:43,923 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:16:43,929 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:16:43,929 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:16:43" (1/1) ... [2018-11-18 17:16:43,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:43,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:16:43,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 17:16:43,959 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 17:16:43,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 17:16:43,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:16:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:44,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:16:44,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:16:44,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-18 17:16:44,028 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-18 17:16:44,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 17:16:44,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:16:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:44,204 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 16 [2018-11-18 17:16:44,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:16:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:16:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-11-18 17:16:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-11-18 17:16:44,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:16:44,291 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-18 17:16:44,297 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:16:44,322 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 17:16:44,330 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:16:44,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:16:44 ImpRootNode [2018-11-18 17:16:44,331 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:16:44,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:16:44,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:16:44,331 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:16:44,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:16:43" (3/4) ... [2018-11-18 17:16:44,335 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:16:44,341 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 17:16:44,341 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:16:44,341 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 17:16:44,372 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0480c4ac-55eb-4a81-992c-b93ed4935a4e/bin-2019/ukojak/witness.graphml [2018-11-18 17:16:44,372 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:16:44,373 INFO L168 Benchmark]: Toolchain (without parser) took 790.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 958.5 MB in the beginning and 1.1 GB in the end (delta: -116.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:16:44,373 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:16:44,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.63 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 946.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:16:44,374 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.76 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 943.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:16:44,374 INFO L168 Benchmark]: Boogie Preprocessor took 10.65 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:16:44,374 INFO L168 Benchmark]: RCFGBuilder took 171.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 943.7 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:16:44,374 INFO L168 Benchmark]: CodeCheck took 408.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:16:44,375 INFO L168 Benchmark]: Witness Printer took 41.17 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:16:44,378 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, 12 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 24 SDtfs, 8 SDslu, 8 SDs, 0 SdLazy, 26 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 456 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: 5]: 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: 14]: Loop Invariant Derived loop invariant: (y / 4294967296 < z / 4294967296 + 1 && z <= y) && 4294967296 * (z / 4294967296) + y <= z + 4294967296 * (y / 4294967296) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.63 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 946.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.76 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 943.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.65 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 171.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 943.7 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 408.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Witness Printer took 41.17 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...