./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_92359159-6651-46cb-803f-81e838d8ffea/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92359159-6651-46cb-803f-81e838d8ffea/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92359159-6651-46cb-803f-81e838d8ffea/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92359159-6651-46cb-803f-81e838d8ffea/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c -s /tmp/vcloud-vcloud-master/worker/working_dir_92359159-6651-46cb-803f-81e838d8ffea/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92359159-6651-46cb-803f-81e838d8ffea/bin/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 c6374d8695c81504f4ccfc7ac3dabef115b6d49d ............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:15:32,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:15:32,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:15:32,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:15:32,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:15:32,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:15:32,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:15:32,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:15:32,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:15:32,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:15:32,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:15:32,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:15:32,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:15:32,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:15:32,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:15:32,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:15:32,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:15:32,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:15:32,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:15:32,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:15:32,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:15:32,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:15:32,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:15:32,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:15:32,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:15:32,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:15:32,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:15:32,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:15:32,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:15:32,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:15:32,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:15:32,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:15:32,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:15:32,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:15:32,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:15:32,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:15:32,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:15:32,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:15:32,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:15:32,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:15:32,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:15:32,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92359159-6651-46cb-803f-81e838d8ffea/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:15:32,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:15:32,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:15:32,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:15:32,931 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:15:32,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:15:32,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:15:32,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:15:32,932 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:15:32,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:15:32,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:15:32,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:15:32,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:15:32,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:15:32,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:15:32,933 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:15:32,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:15:32,933 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:15:32,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:15:32,933 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:15:32,933 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:15:32,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:15:32,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:15:32,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:15:32,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:15:32,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:15:32,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:15:32,944 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:15:32,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:15:32,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:15:32,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_92359159-6651-46cb-803f-81e838d8ffea/bin/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 -> c6374d8695c81504f4ccfc7ac3dabef115b6d49d [2019-10-22 10:15:32,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:15:32,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:15:32,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:15:32,993 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:15:32,993 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:15:32,994 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92359159-6651-46cb-803f-81e838d8ffea/bin/ukojak/../../sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c [2019-10-22 10:15:33,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92359159-6651-46cb-803f-81e838d8ffea/bin/ukojak/data/37395f72e/20f78fe962dc4f34a7747d5cc87da6fa/FLAG2d94fc866 [2019-10-22 10:15:33,442 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:15:33,443 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92359159-6651-46cb-803f-81e838d8ffea/sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c [2019-10-22 10:15:33,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92359159-6651-46cb-803f-81e838d8ffea/bin/ukojak/data/37395f72e/20f78fe962dc4f34a7747d5cc87da6fa/FLAG2d94fc866 [2019-10-22 10:15:33,461 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92359159-6651-46cb-803f-81e838d8ffea/bin/ukojak/data/37395f72e/20f78fe962dc4f34a7747d5cc87da6fa [2019-10-22 10:15:33,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:15:33,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:15:33,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:33,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:15:33,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:15:33,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:33" (1/1) ... [2019-10-22 10:15:33,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d42c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:33, skipping insertion in model container [2019-10-22 10:15:33,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:33" (1/1) ... [2019-10-22 10:15:33,485 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:15:33,499 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:15:33,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:33,661 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:15:33,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:33,748 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:15:33,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:33 WrapperNode [2019-10-22 10:15:33,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:33,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:33,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:15:33,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:15:33,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:33" (1/1) ... [2019-10-22 10:15:33,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:33" (1/1) ... [2019-10-22 10:15:33,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:33,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:15:33,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:15:33,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:15:33,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:33" (1/1) ... [2019-10-22 10:15:33,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:33" (1/1) ... [2019-10-22 10:15:33,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:33" (1/1) ... [2019-10-22 10:15:33,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:33" (1/1) ... [2019-10-22 10:15:33,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:33" (1/1) ... [2019-10-22 10:15:33,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:33" (1/1) ... [2019-10-22 10:15:33,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:33" (1/1) ... [2019-10-22 10:15:33,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:15:33,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:15:33,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:15:33,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:15:33,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92359159-6651-46cb-803f-81e838d8ffea/bin/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 [2019-10-22 10:15:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-10-22 10:15:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-10-22 10:15:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:15:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:15:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2019-10-22 10:15:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2019-10-22 10:15:33,988 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:15:33,988 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 10:15:33,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:33 BoogieIcfgContainer [2019-10-22 10:15:33,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:15:33,990 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:15:33,990 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:15:34,002 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:15:34,002 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:33" (1/1) ... [2019-10-22 10:15:34,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:15:34,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:34,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2019-10-22 10:15:34,076 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2019-10-22 10:15:34,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:15:34,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:34,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:34,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:34,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 7 transitions. [2019-10-22 10:15:34,340 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2019-10-22 10:15:34,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:15:34,340 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2019-10-22 10:15:34,353 INFO L771 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2019-10-22 10:15:34,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:15:34 ImpRootNode [2019-10-22 10:15:34,377 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:15:34,378 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:15:34,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:15:34,379 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:15:34,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:33" (3/4) ... [2019-10-22 10:15:34,383 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:15:34,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2019-10-22 10:15:34,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2019-10-22 10:15:34,396 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-10-22 10:15:34,396 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:15:34,427 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_92359159-6651-46cb-803f-81e838d8ffea/bin/ukojak/witness.graphml [2019-10-22 10:15:34,428 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:15:34,430 INFO L168 Benchmark]: Toolchain (without parser) took 963.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -137.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:34,434 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:34,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:34,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:34,436 INFO L168 Benchmark]: Boogie Preprocessor took 16.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:34,436 INFO L168 Benchmark]: RCFGBuilder took 193.52 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:34,438 INFO L168 Benchmark]: CodeCheck took 387.29 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:34,438 INFO L168 Benchmark]: Witness Printer took 50.06 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:34,441 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 18 locations, 2 error locations. Result: SAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 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, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 117 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 193.52 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 387.29 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Witness Printer took 50.06 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...