./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/while_infinite_loop_1_true-unreach-call_false-termination.i --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_8c57a19d-3069-4ada-81e9-7e29ab520887/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8c57a19d-3069-4ada-81e9-7e29ab520887/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8c57a19d-3069-4ada-81e9-7e29ab520887/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8c57a19d-3069-4ada-81e9-7e29ab520887/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/while_infinite_loop_1_true-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8c57a19d-3069-4ada-81e9-7e29ab520887/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8c57a19d-3069-4ada-81e9-7e29ab520887/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 46c9debf13fcbaac91e24cd627789213da53a557 ............................................................................................................................................................................................................................ 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 10:41:42,424 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:41:42,425 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:41:42,432 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:41:42,432 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:41:42,433 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:41:42,433 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:41:42,434 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:41:42,435 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:41:42,436 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:41:42,437 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:41:42,437 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:41:42,437 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:41:42,438 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:41:42,439 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:41:42,439 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:41:42,440 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:41:42,441 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:41:42,442 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:41:42,443 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:41:42,444 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:41:42,445 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:41:42,446 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:41:42,447 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:41:42,447 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:41:42,447 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:41:42,448 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:41:42,449 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:41:42,449 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:41:42,450 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:41:42,450 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:41:42,451 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:41:42,451 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:41:42,451 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:41:42,451 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:41:42,452 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:41:42,452 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8c57a19d-3069-4ada-81e9-7e29ab520887/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:41:42,462 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:41:42,462 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:41:42,463 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:41:42,463 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:41:42,463 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:41:42,463 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:41:42,464 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:41:42,464 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:41:42,464 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:41:42,464 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:41:42,464 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:41:42,464 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:41:42,464 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:41:42,464 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:41:42,465 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:41:42,465 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:41:42,465 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:41:42,465 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:41:42,465 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:41:42,465 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:41:42,465 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:41:42,465 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:41:42,466 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:41:42,466 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:41:42,466 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:41:42,466 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:41:42,466 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:41:42,466 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:41:42,466 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:41:42,466 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_8c57a19d-3069-4ada-81e9-7e29ab520887/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 -> 46c9debf13fcbaac91e24cd627789213da53a557 [2018-11-18 10:41:42,489 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:41:42,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:41:42,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:41:42,502 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:41:42,502 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:41:42,502 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8c57a19d-3069-4ada-81e9-7e29ab520887/bin-2019/ukojak/../../sv-benchmarks/c/loops/while_infinite_loop_1_true-unreach-call_false-termination.i [2018-11-18 10:41:42,544 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c57a19d-3069-4ada-81e9-7e29ab520887/bin-2019/ukojak/data/a1996e8e9/0f826fc6fe69479199ed8d3855a18a88/FLAGf44ee84b2 [2018-11-18 10:41:42,942 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:41:42,943 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8c57a19d-3069-4ada-81e9-7e29ab520887/sv-benchmarks/c/loops/while_infinite_loop_1_true-unreach-call_false-termination.i [2018-11-18 10:41:42,947 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c57a19d-3069-4ada-81e9-7e29ab520887/bin-2019/ukojak/data/a1996e8e9/0f826fc6fe69479199ed8d3855a18a88/FLAGf44ee84b2 [2018-11-18 10:41:42,957 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8c57a19d-3069-4ada-81e9-7e29ab520887/bin-2019/ukojak/data/a1996e8e9/0f826fc6fe69479199ed8d3855a18a88 [2018-11-18 10:41:42,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:41:42,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:41:42,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:41:42,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:41:42,963 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:41:42,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:41:42" (1/1) ... [2018-11-18 10:41:42,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488b2caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:41:42, skipping insertion in model container [2018-11-18 10:41:42,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:41:42" (1/1) ... [2018-11-18 10:41:42,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:41:42,983 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:41:43,086 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:41:43,088 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:41:43,096 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:41:43,103 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:41:43,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:41:43 WrapperNode [2018-11-18 10:41:43,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:41:43,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:41:43,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:41:43,104 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:41:43,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:41:43" (1/1) ... [2018-11-18 10:41:43,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:41:43" (1/1) ... [2018-11-18 10:41:43,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:41:43,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:41:43,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:41:43,123 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:41:43,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:41:43" (1/1) ... [2018-11-18 10:41:43,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:41:43" (1/1) ... [2018-11-18 10:41:43,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:41:43" (1/1) ... [2018-11-18 10:41:43,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:41:43" (1/1) ... [2018-11-18 10:41:43,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:41:43" (1/1) ... [2018-11-18 10:41:43,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:41:43" (1/1) ... [2018-11-18 10:41:43,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:41:43" (1/1) ... [2018-11-18 10:41:43,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:41:43,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:41:43,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:41:43,134 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:41:43,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:41:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c57a19d-3069-4ada-81e9-7e29ab520887/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 10:41:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:41:43,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:41:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 10:41:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 10:41:43,288 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:41:43,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:41:43 BoogieIcfgContainer [2018-11-18 10:41:43,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:41:43,288 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:41:43,288 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:41:43,295 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:41:43,295 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:41:43" (1/1) ... [2018-11-18 10:41:43,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:41:43,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:41:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-11-18 10:41:43,337 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-11-18 10:41:43,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 10:41:43,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:41:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:41:43,402 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 10:41:43,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:41:43,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 10 transitions. [2018-11-18 10:41:43,408 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-11-18 10:41:43,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 10:41:43,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:41:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:41:43,461 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 10:41:43,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:41:43,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 8 states and 8 transitions. [2018-11-18 10:41:43,532 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-11-18 10:41:43,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:41:43,532 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-18 10:41:43,539 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:41:43,550 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:41:43,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:41:43 ImpRootNode [2018-11-18 10:41:43,552 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:41:43,553 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:41:43,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:41:43,553 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:41:43,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:41:43" (3/4) ... [2018-11-18 10:41:43,555 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:41:43,560 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 10:41:43,563 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 10:41:43,563 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:41:43,563 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 10:41:43,590 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8c57a19d-3069-4ada-81e9-7e29ab520887/bin-2019/ukojak/witness.graphml [2018-11-18 10:41:43,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:41:43,590 INFO L168 Benchmark]: Toolchain (without parser) took 630.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:41:43,591 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:41:43,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.98 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:41:43,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.73 ms. Allocated memory is still 1.0 GB. Free memory is still 951.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:41:43,592 INFO L168 Benchmark]: Boogie Preprocessor took 10.52 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:41:43,593 INFO L168 Benchmark]: RCFGBuilder took 154.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:41:43,593 INFO L168 Benchmark]: CodeCheck took 264.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:41:43,594 INFO L168 Benchmark]: Witness Printer took 37.21 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:41:43,595 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, 15 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 32 SDtfs, 8 SDslu, 12 SDs, 0 SdLazy, 28 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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: 13]: 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.98 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 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 18.73 ms. Allocated memory is still 1.0 GB. Free memory is still 951.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.52 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 154.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 264.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Witness Printer took 37.21 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: 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...