./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-lit/jm2006_variant_true-unreach-call_true-termination.c.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_18d1be46-8d1e-4c02-913c-5097b019865a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_18d1be46-8d1e-4c02-913c-5097b019865a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_18d1be46-8d1e-4c02-913c-5097b019865a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_18d1be46-8d1e-4c02-913c-5097b019865a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/jm2006_variant_true-unreach-call_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_18d1be46-8d1e-4c02-913c-5097b019865a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_18d1be46-8d1e-4c02-913c-5097b019865a/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 6b2483ed4878f440f5477fb40e4fe96958613e0f .................................................................................................................................................................................................................................... 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 11:29:26,785 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:29:26,787 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:29:26,793 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:29:26,794 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:29:26,794 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:29:26,795 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:29:26,796 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:29:26,797 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:29:26,798 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:29:26,799 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:29:26,799 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:29:26,799 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:29:26,800 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:29:26,801 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:29:26,801 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:29:26,802 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:29:26,803 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:29:26,805 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:29:26,806 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:29:26,806 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:29:26,807 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:29:26,809 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:29:26,809 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:29:26,809 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:29:26,810 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:29:26,811 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:29:26,811 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:29:26,812 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:29:26,812 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:29:26,813 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:29:26,813 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:29:26,813 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:29:26,813 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:29:26,814 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:29:26,815 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:29:26,815 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_18d1be46-8d1e-4c02-913c-5097b019865a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:29:26,825 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:29:26,825 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:29:26,826 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:29:26,826 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:29:26,826 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:29:26,826 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:29:26,826 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:29:26,827 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:29:26,827 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:29:26,827 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:29:26,827 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:29:26,827 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:29:26,827 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:29:26,827 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:29:26,828 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:29:26,828 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:29:26,828 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:29:26,828 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:29:26,828 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:29:26,828 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:29:26,828 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:29:26,829 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:29:26,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:29:26,829 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:29:26,829 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:29:26,829 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:29:26,829 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:29:26,829 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:29:26,830 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:29:26,830 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_18d1be46-8d1e-4c02-913c-5097b019865a/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 -> 6b2483ed4878f440f5477fb40e4fe96958613e0f [2018-11-18 11:29:26,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:29:26,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:29:26,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:29:26,864 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:29:26,864 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:29:26,865 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_18d1be46-8d1e-4c02-913c-5097b019865a/bin-2019/ukojak/../../sv-benchmarks/c/loop-lit/jm2006_variant_true-unreach-call_true-termination.c.i [2018-11-18 11:29:26,900 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18d1be46-8d1e-4c02-913c-5097b019865a/bin-2019/ukojak/data/a4efbb76d/7f060137a23e4273abea598789248104/FLAG758e78d80 [2018-11-18 11:29:27,287 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:29:27,288 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_18d1be46-8d1e-4c02-913c-5097b019865a/sv-benchmarks/c/loop-lit/jm2006_variant_true-unreach-call_true-termination.c.i [2018-11-18 11:29:27,292 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18d1be46-8d1e-4c02-913c-5097b019865a/bin-2019/ukojak/data/a4efbb76d/7f060137a23e4273abea598789248104/FLAG758e78d80 [2018-11-18 11:29:27,300 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_18d1be46-8d1e-4c02-913c-5097b019865a/bin-2019/ukojak/data/a4efbb76d/7f060137a23e4273abea598789248104 [2018-11-18 11:29:27,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:29:27,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:29:27,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:29:27,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:29:27,306 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:29:27,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:29:27" (1/1) ... [2018-11-18 11:29:27,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d58612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:27, skipping insertion in model container [2018-11-18 11:29:27,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:29:27" (1/1) ... [2018-11-18 11:29:27,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:29:27,326 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:29:27,426 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:29:27,428 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:29:27,438 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:29:27,446 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:29:27,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:27 WrapperNode [2018-11-18 11:29:27,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:29:27,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:29:27,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:29:27,447 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:29:27,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:27" (1/1) ... [2018-11-18 11:29:27,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:27" (1/1) ... [2018-11-18 11:29:27,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:29:27,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:29:27,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:29:27,466 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:29:27,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:27" (1/1) ... [2018-11-18 11:29:27,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:27" (1/1) ... [2018-11-18 11:29:27,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:27" (1/1) ... [2018-11-18 11:29:27,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:27" (1/1) ... [2018-11-18 11:29:27,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:27" (1/1) ... [2018-11-18 11:29:27,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:27" (1/1) ... [2018-11-18 11:29:27,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:27" (1/1) ... [2018-11-18 11:29:27,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:29:27,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:29:27,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:29:27,478 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:29:27,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18d1be46-8d1e-4c02-913c-5097b019865a/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 11:29:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:29:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:29:27,669 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:29:27,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:29:27 BoogieIcfgContainer [2018-11-18 11:29:27,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:29:27,669 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:29:27,670 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:29:27,679 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:29:27,679 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:29:27" (1/1) ... [2018-11-18 11:29:27,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:27,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:29:27,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-11-18 11:29:27,723 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-11-18 11:29:27,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:29:27,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:29:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:27,813 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 11:29:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:29:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-11-18 11:29:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-11-18 11:29:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 11:29:27,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:29:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:27,981 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 11:29:28,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:29:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-11-18 11:29:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-11-18 11:29:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 11:29:28,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:29:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:28,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:29:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:29:28,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2018-11-18 11:29:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2018-11-18 11:29:28,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:29:28,275 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-18 11:29:28,283 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:29:28,315 INFO L579 CodeCheckObserver]: Invariant with dag size 10 [2018-11-18 11:29:28,323 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:29:28,323 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:29:28,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:29:28 ImpRootNode [2018-11-18 11:29:28,323 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:29:28,324 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:29:28,324 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:29:28,324 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:29:28,324 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:29:27" (3/4) ... [2018-11-18 11:29:28,326 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:29:28,334 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 11:29:28,334 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:29:28,334 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:29:28,365 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_18d1be46-8d1e-4c02-913c-5097b019865a/bin-2019/ukojak/witness.graphml [2018-11-18 11:29:28,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:29:28,366 INFO L168 Benchmark]: Toolchain (without parser) took 1063.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -99.0 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:28,367 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-18 11:29:28,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.62 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:28,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.45 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:28,368 INFO L168 Benchmark]: Boogie Preprocessor took 11.78 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:29:28,368 INFO L168 Benchmark]: RCFGBuilder took 191.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:28,369 INFO L168 Benchmark]: CodeCheck took 653.94 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: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:28,369 INFO L168 Benchmark]: Witness Printer took 42.05 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 11:29:28,371 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, 15 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 60 SDtfs, 12 SDslu, 16 SDs, 0 SdLazy, 98 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 174 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 1814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 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: 19]: Loop Invariant Derived loop invariant: x + j <= z + y + i && z + y + i <= x + j - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - 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 0.11 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 142.62 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 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 19.45 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.78 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 191.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 653.94 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: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB. * Witness Printer took 42.05 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...