./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/recHanoi02-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi02-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d379c583eb269678169316efe01a55df7fa26acebe2991472725b0afcb2879ab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:35:21,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:35:21,812 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:35:21,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:35:21,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:35:21,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:35:21,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:35:21,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:35:21,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:35:21,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:35:21,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:35:21,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:35:21,861 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:35:21,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:35:21,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:35:21,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:35:21,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:35:21,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:35:21,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:35:21,863 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:35:21,863 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:35:21,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:35:21,863 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:35:21,864 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:35:21,864 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:35:21,864 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:35:21,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:35:21,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:21,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:35:21,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:35:21,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:35:21,864 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:35:21,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:35:21,864 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_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm 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 ! call(reach_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 -> d379c583eb269678169316efe01a55df7fa26acebe2991472725b0afcb2879ab [2024-11-13 20:35:22,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:35:22,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:35:22,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:35:22,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:35:22,204 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:35:22,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursive/recHanoi02-2.c Unable to find full path for "g++" [2024-11-13 20:35:23,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:35:24,270 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:35:24,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/sv-benchmarks/c/recursive/recHanoi02-2.c [2024-11-13 20:35:24,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/data/9a0a45234/2471d2e594944ad493a850f6c4ecbd22/FLAG255dad34b [2024-11-13 20:35:24,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/data/9a0a45234/2471d2e594944ad493a850f6c4ecbd22 [2024-11-13 20:35:24,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:35:24,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:35:24,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:24,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:35:24,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:35:24,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:24" (1/1) ... [2024-11-13 20:35:24,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7791418b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:24, skipping insertion in model container [2024-11-13 20:35:24,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:24" (1/1) ... [2024-11-13 20:35:24,377 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:35:24,569 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/sv-benchmarks/c/recursive/recHanoi02-2.c[839,852] [2024-11-13 20:35:24,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:24,586 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:35:24,603 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/sv-benchmarks/c/recursive/recHanoi02-2.c[839,852] [2024-11-13 20:35:24,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:24,623 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:35:24,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:24 WrapperNode [2024-11-13 20:35:24,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:24,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:24,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:35:24,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:35:24,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:24" (1/1) ... [2024-11-13 20:35:24,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:24" (1/1) ... [2024-11-13 20:35:24,657 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2024-11-13 20:35:24,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:24,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:35:24,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:35:24,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:35:24,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:24" (1/1) ... [2024-11-13 20:35:24,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:24" (1/1) ... [2024-11-13 20:35:24,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:24" (1/1) ... [2024-11-13 20:35:24,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:24" (1/1) ... [2024-11-13 20:35:24,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:24" (1/1) ... [2024-11-13 20:35:24,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:24" (1/1) ... [2024-11-13 20:35:24,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:24" (1/1) ... [2024-11-13 20:35:24,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:24" (1/1) ... [2024-11-13 20:35:24,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:35:24,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:35:24,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:35:24,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:35:24,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:24" (1/1) ... [2024-11-13 20:35:24,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:24,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:35:24,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:35:24,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:35:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:35:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-11-13 20:35:24,766 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-11-13 20:35:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:35:24,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:35:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:35:24,839 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:35:24,841 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:35:24,986 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 20:35:24,986 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:35:25,021 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:35:25,021 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:35:25,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:25 BoogieIcfgContainer [2024-11-13 20:35:25,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:35:25,023 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:35:25,023 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:35:25,035 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:35:25,035 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:25" (1/1) ... [2024-11-13 20:35:25,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:35:25,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 20:35:25,113 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 20:35:25,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:35:25,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:25,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:25,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:35:25,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 20:35:25,539 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 20:35:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:35:25,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:25,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:25,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:35:26,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:26,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-11-13 20:35:26,095 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-13 20:35:26,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:35:26,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:26,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 20:35:26,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:26,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 20:35:26,604 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 20:35:26,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:35:26,605 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-13 20:35:26,613 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:35:26,761 INFO L77 FloydHoareUtils]: At program point hanoiEXIT(lines 20 25) the Hoare annotation is: (not (and (not (= |hanoi_#res| 1)) (< |hanoi_#res| 3))) [2024-11-13 20:35:26,761 INFO L77 FloydHoareUtils]: At program point hanoiFINAL(lines 20 25) the Hoare annotation is: (not (and (not (= |hanoi_#res| 1)) (< |hanoi_#res| 3))) [2024-11-13 20:35:26,761 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 20 25) the Hoare annotation is: true [2024-11-13 20:35:26,762 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: true [2024-11-13 20:35:26,762 INFO L77 FloydHoareUtils]: At program point L24-1(line 24) the Hoare annotation is: (not (and (< |hanoi_#t~ret4| 3) (not (= |hanoi_#t~ret4| 1)))) [2024-11-13 20:35:26,762 INFO L77 FloydHoareUtils]: At program point L21(lines 21 23) the Hoare annotation is: true [2024-11-13 20:35:26,762 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: true [2024-11-13 20:35:26,762 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:35:26,762 INFO L77 FloydHoareUtils]: At program point L33-1(line 33) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_#t~ret6#1| 1)) (< |ULTIMATE.start_main_#t~ret6#1| 3))) [2024-11-13 20:35:26,763 INFO L77 FloydHoareUtils]: At program point L30(lines 30 32) the Hoare annotation is: true [2024-11-13 20:35:26,763 INFO L77 FloydHoareUtils]: At program point L28(lines 28 39) the Hoare annotation is: true [2024-11-13 20:35:26,763 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2024-11-13 20:35:26,763 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:35:26,763 INFO L75 FloydHoareUtils]: For program point L37(line 37) no Hoare annotation was computed. [2024-11-13 20:35:26,763 INFO L77 FloydHoareUtils]: At program point L34(lines 34 38) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_~result~0#1| 1)) (< |ULTIMATE.start_main_~result~0#1| 3))) [2024-11-13 20:35:26,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:35:26 ImpRootNode [2024-11-13 20:35:26,793 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:35:26,794 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:35:26,794 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:35:26,794 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:35:26,796 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:25" (3/4) ... [2024-11-13 20:35:26,798 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:35:26,802 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hanoi [2024-11-13 20:35:26,808 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 20:35:26,808 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 20:35:26,809 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:35:26,809 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:35:26,903 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:35:26,903 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:35:26,904 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:35:26,905 INFO L158 Benchmark]: Toolchain (without parser) took 2557.95ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 97.9MB in the end (delta: 20.5MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:26,905 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:26,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.00ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 107.9MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:26,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.44ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.8MB in the end (delta: 918.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:26,906 INFO L158 Benchmark]: Boogie Preprocessor took 27.29ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 106.0MB in the end (delta: 734.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:26,906 INFO L158 Benchmark]: RCFGBuilder took 335.62ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 95.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:26,907 INFO L158 Benchmark]: CodeCheck took 1770.09ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 102.2MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:26,907 INFO L158 Benchmark]: Witness Printer took 109.79ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 97.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:26,909 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 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 45 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 326 GetRequests, 290 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 11/18 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: 37]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for hanoi Derived contract for procedure hanoi. Ensures: ((\result == 1) || (2 < \result)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.00ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 107.9MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.44ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.8MB in the end (delta: 918.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.29ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 106.0MB in the end (delta: 734.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 335.62ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 95.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1770.09ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 102.2MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 109.79ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 97.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:35:26,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1ddd7b-3556-45b8-99e8-df60145b7b2d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE