./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1a-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1a-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d925f1aaa578011e84cee59af464c9f4e53ab5dc54b7f9269f34505d8383253a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:15:27,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:15:27,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-25 04:15:27,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:15:27,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:15:27,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:15:27,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:15:27,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:15:27,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:15:27,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:15:27,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:15:27,500 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 04:15:27,500 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 04:15:27,500 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 04:15:27,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:15:27,501 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:15:27,501 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:15:27,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:15:27,501 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:15:27,501 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:15:27,501 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:15:27,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:15:27,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:15:27,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:15:27,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:15:27,503 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:15:27,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:15:27,503 INFO L153 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_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d925f1aaa578011e84cee59af464c9f4e53ab5dc54b7f9269f34505d8383253a [2024-11-25 04:15:27,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:15:27,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:15:27,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:15:27,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:15:27,907 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:15:27,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted/NestedRecursion_1a-2.c [2024-11-25 04:15:31,624 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/data/b5a7fc860/6e8b737e874748bd98bf28ac400bdd2e/FLAGdad555bde [2024-11-25 04:15:32,012 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:15:32,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/sv-benchmarks/c/termination-crafted/NestedRecursion_1a-2.c [2024-11-25 04:15:32,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/data/b5a7fc860/6e8b737e874748bd98bf28ac400bdd2e/FLAGdad555bde [2024-11-25 04:15:32,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/data/b5a7fc860/6e8b737e874748bd98bf28ac400bdd2e [2024-11-25 04:15:32,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:15:32,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:15:32,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:15:32,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:15:32,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:15:32,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@204ac0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:32, skipping insertion in model container [2024-11-25 04:15:32,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:15:32,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:15:32,502 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:15:32,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:15:32,534 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:15:32,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:32 WrapperNode [2024-11-25 04:15:32,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:15:32,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:15:32,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:15:32,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:15:32,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,567 INFO L138 Inliner]: procedures = 6, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2024-11-25 04:15:32,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:15:32,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:15:32,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:15:32,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:15:32,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,580 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:15:32,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:15:32,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:15:32,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:15:32,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:15:32,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:15:32,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:15:32,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:15:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2024-11-25 04:15:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2024-11-25 04:15:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2024-11-25 04:15:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2024-11-25 04:15:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:15:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:15:32,738 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:15:32,741 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:15:32,897 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 04:15:32,898 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:15:32,932 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:15:32,932 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:15:32,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:15:32 BoogieIcfgContainer [2024-11-25 04:15:32,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:15:32,938 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:15:32,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:15:32,954 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:15:32,954 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:15:32" (1/1) ... [2024-11-25 04:15:32,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:15:33,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:33,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-11-25 04:15:33,047 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-25 04:15:33,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:15:33,058 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2024-11-25 04:15:33,069 INFO L726 CodeCheckObserver]: All specifications hold We were not able to verify any specification because the program does not contain any specification. [2024-11-25 04:15:33,130 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: true [2024-11-25 04:15:33,130 INFO L77 FloydHoareUtils]: At program point L14-1(line 14) the Hoare annotation is: true [2024-11-25 04:15:33,131 INFO L77 FloydHoareUtils]: At program point rec1FINAL(lines 11 15) the Hoare annotation is: true [2024-11-25 04:15:33,131 INFO L77 FloydHoareUtils]: At program point L12(lines 12 13) the Hoare annotation is: true [2024-11-25 04:15:33,131 INFO L77 FloydHoareUtils]: At program point L14-2(line 14) the Hoare annotation is: true [2024-11-25 04:15:33,131 INFO L77 FloydHoareUtils]: At program point L14-3(line 14) the Hoare annotation is: true [2024-11-25 04:15:33,132 INFO L77 FloydHoareUtils]: At program point L14-4(line 14) the Hoare annotation is: true [2024-11-25 04:15:33,132 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 15) the Hoare annotation is: true [2024-11-25 04:15:33,132 INFO L77 FloydHoareUtils]: At program point L14-5(line 14) the Hoare annotation is: true [2024-11-25 04:15:33,132 INFO L77 FloydHoareUtils]: At program point rec1EXIT(lines 11 15) the Hoare annotation is: true [2024-11-25 04:15:33,132 INFO L77 FloydHoareUtils]: At program point L20-3(line 20) the Hoare annotation is: true [2024-11-25 04:15:33,133 INFO L77 FloydHoareUtils]: At program point rec2FINAL(lines 17 21) the Hoare annotation is: true [2024-11-25 04:15:33,133 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 17 21) the Hoare annotation is: true [2024-11-25 04:15:33,133 INFO L77 FloydHoareUtils]: At program point rec2EXIT(lines 17 21) the Hoare annotation is: true [2024-11-25 04:15:33,133 INFO L77 FloydHoareUtils]: At program point L20(line 20) the Hoare annotation is: true [2024-11-25 04:15:33,133 INFO L77 FloydHoareUtils]: At program point L20-1(line 20) the Hoare annotation is: true [2024-11-25 04:15:33,134 INFO L77 FloydHoareUtils]: At program point L18(lines 18 19) the Hoare annotation is: true [2024-11-25 04:15:33,134 INFO L77 FloydHoareUtils]: At program point L20-2(line 20) the Hoare annotation is: true [2024-11-25 04:15:33,134 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:15:33,134 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: true [2024-11-25 04:15:33,135 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-11-25 04:15:33,135 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: true [2024-11-25 04:15:33,139 INFO L77 FloydHoareUtils]: At program point L23(lines 23 28) the Hoare annotation is: true [2024-11-25 04:15:33,139 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:15:33,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:15:33 ImpRootNode [2024-11-25 04:15:33,169 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:15:33,170 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:15:33,170 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:15:33,170 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:15:33,171 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:15:32" (3/4) ... [2024-11-25 04:15:33,175 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:15:33,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec1 [2024-11-25 04:15:33,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec2 [2024-11-25 04:15:33,185 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-25 04:15:33,186 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:15:33,186 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 04:15:33,297 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:15:33,297 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:15:33,297 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:15:33,299 INFO L158 Benchmark]: Toolchain (without parser) took 1046.68ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 84.3MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:15:33,299 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:33,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.27ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 107.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:15:33,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.82ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.2MB in the end (delta: 979.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:33,301 INFO L158 Benchmark]: Boogie Preprocessor took 20.79ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.7MB in the end (delta: 527.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:33,301 INFO L158 Benchmark]: RCFGBuilder took 346.78ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 95.9MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:15:33,302 INFO L158 Benchmark]: CodeCheck took 231.00ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 88.8MB in the end (delta: 7.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:33,302 INFO L158 Benchmark]: Witness Printer took 127.59ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 84.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:15:33,305 INFO L338 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, 24 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.27ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 107.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.82ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.2MB in the end (delta: 979.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.79ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.7MB in the end (delta: 527.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 346.78ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 95.9MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 231.00ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 88.8MB in the end (delta: 7.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 127.59ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 84.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:15:33,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26511ce-75ee-4406-8ba3-6ed937a8b3a6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE