./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.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_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/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_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/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_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/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 cc91ced7bcccf661129c3f4bf0d427a9a72d34c82f3ff7a23345948320ae0e49 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:56:31,632 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:56:31,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:56:31,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:56:31,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:56:31,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:56:31,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:56:31,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:56:31,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:56:31,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:56:31,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:56:31,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:56:31,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:56:31,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:56:31,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:56:31,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:56:31,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:56:31,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:56:31,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:56:31,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:56:31,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:56:31,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:56:31,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:56:31,762 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:56:31,762 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:56:31,762 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:56:31,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:56:31,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:56:31,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:56:31,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:56:31,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:56:31,763 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:56:31,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:56:31,764 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_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/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 -> cc91ced7bcccf661129c3f4bf0d427a9a72d34c82f3ff7a23345948320ae0e49 [2024-11-13 22:56:32,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:56:32,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:56:32,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:56:32,133 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:56:32,133 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:56:32,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c Unable to find full path for "g++" [2024-11-13 22:56:34,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:56:34,345 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:56:34,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c [2024-11-13 22:56:34,368 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/bin/ukojak-verify-EEHR8qb7sm/data/ef25a715b/8b05d8924ba6415da3971a49d51f2889/FLAG6676ff437 [2024-11-13 22:56:34,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/bin/ukojak-verify-EEHR8qb7sm/data/ef25a715b/8b05d8924ba6415da3971a49d51f2889 [2024-11-13 22:56:34,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:56:34,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:56:34,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:56:34,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:56:34,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:56:34,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:56:34" (1/1) ... [2024-11-13 22:56:34,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4d8d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:34, skipping insertion in model container [2024-11-13 22:56:34,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:56:34" (1/1) ... [2024-11-13 22:56:34,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:56:34,569 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_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c[973,986] [2024-11-13 22:56:34,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:56:34,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:56:34,600 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_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c[973,986] [2024-11-13 22:56:34,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:56:34,617 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:56:34,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:34 WrapperNode [2024-11-13 22:56:34,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:56:34,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:56:34,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:56:34,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:56:34,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:34" (1/1) ... [2024-11-13 22:56:34,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:34" (1/1) ... [2024-11-13 22:56:34,647 INFO L138 Inliner]: procedures = 15, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2024-11-13 22:56:34,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:56:34,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:56:34,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:56:34,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:56:34,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:34" (1/1) ... [2024-11-13 22:56:34,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:34" (1/1) ... [2024-11-13 22:56:34,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:34" (1/1) ... [2024-11-13 22:56:34,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:34" (1/1) ... [2024-11-13 22:56:34,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:34" (1/1) ... [2024-11-13 22:56:34,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:34" (1/1) ... [2024-11-13 22:56:34,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:34" (1/1) ... [2024-11-13 22:56:34,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:34" (1/1) ... [2024-11-13 22:56:34,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:56:34,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:56:34,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:56:34,667 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:56:34,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:34" (1/1) ... [2024-11-13 22:56:34,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:56:34,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:56:34,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:56:34,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:56:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:56:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:56:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:56:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:56:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_16_to_18_0 [2024-11-13 22:56:34,739 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_16_to_18_0 [2024-11-13 22:56:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:56:34,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:56:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:56:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:56:34,830 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:56:34,832 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:56:34,967 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 22:56:34,967 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:56:35,007 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:56:35,007 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:56:35,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:56:35 BoogieIcfgContainer [2024-11-13 22:56:35,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:56:35,009 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:56:35,009 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:56:35,019 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:56:35,019 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:56:35" (1/1) ... [2024-11-13 22:56:35,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:56:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:56:35,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-13 22:56:35,083 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-13 22:56:35,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:56:35,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:56:35,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:56:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:56:35,736 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 22:56:35,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:56:35,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 22 transitions. [2024-11-13 22:56:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 22:56:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:56:35,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:56:35,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:56:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:56:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:56:37,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:56:37,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 13 states and 17 transitions. [2024-11-13 22:56:37,594 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-13 22:56:37,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:56:37,595 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-13 22:56:37,605 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:56:37,685 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: (and (= func_to_recursive_line_16_to_18_0_~y.base |func_to_recursive_line_16_to_18_0_#in~y.base|) (= func_to_recursive_line_16_to_18_0_~z.offset |func_to_recursive_line_16_to_18_0_#in~z.offset|) (= func_to_recursive_line_16_to_18_0_~z.base |func_to_recursive_line_16_to_18_0_#in~z.base|) (let ((.cse0 (= |func_to_recursive_line_16_to_18_0_#in~y.offset| func_to_recursive_line_16_to_18_0_~y.offset))) (or (and .cse0 (= (select (select |#memory_int| func_to_recursive_line_16_to_18_0_~z.base) func_to_recursive_line_16_to_18_0_~z.offset) (select (select |#memory_int| func_to_recursive_line_16_to_18_0_~y.base) func_to_recursive_line_16_to_18_0_~y.offset))) (and .cse0 (not (= (select (select |old(#memory_int)| func_to_recursive_line_16_to_18_0_~z.base) func_to_recursive_line_16_to_18_0_~z.offset) (select (select |old(#memory_int)| func_to_recursive_line_16_to_18_0_~y.base) func_to_recursive_line_16_to_18_0_~y.offset)))) (= func_to_recursive_line_16_to_18_0_~y.base func_to_recursive_line_16_to_18_0_~z.base)))) [2024-11-13 22:56:37,686 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 38 51) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2024-11-13 22:56:37,686 INFO L77 FloydHoareUtils]: At program point L40(lines 40 50) the Hoare annotation is: (and (= func_to_recursive_line_16_to_18_0_~y.base |func_to_recursive_line_16_to_18_0_#in~y.base|) (= |#memory_int| |old(#memory_int)|) (or (= |func_to_recursive_line_16_to_18_0_#in~y.offset| func_to_recursive_line_16_to_18_0_~y.offset) (= func_to_recursive_line_16_to_18_0_~y.base func_to_recursive_line_16_to_18_0_~z.base)) (= func_to_recursive_line_16_to_18_0_~z.offset |func_to_recursive_line_16_to_18_0_#in~z.offset|) (= func_to_recursive_line_16_to_18_0_~z.base |func_to_recursive_line_16_to_18_0_#in~z.base|)) [2024-11-13 22:56:37,686 INFO L77 FloydHoareUtils]: At program point L40-1(lines 38 51) the Hoare annotation is: true [2024-11-13 22:56:37,686 INFO L77 FloydHoareUtils]: At program point func_to_recursive_line_16_to_18_0EXIT(lines 38 51) the Hoare annotation is: true [2024-11-13 22:56:37,686 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:56:37,687 INFO L77 FloydHoareUtils]: At program point L59(line 59) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#z~0#1.base|) |ULTIMATE.start_main_~#z~0#1.offset|) (select (select |#memory_int| |ULTIMATE.start_main_~#y~0#1.base|) |ULTIMATE.start_main_~#y~0#1.offset|)) (not (= |ULTIMATE.start_main_~#z~0#1.base| |ULTIMATE.start_main_~#y~0#1.base|))) [2024-11-13 22:56:37,687 INFO L77 FloydHoareUtils]: At program point L59-1(line 59) the Hoare annotation is: true [2024-11-13 22:56:37,687 INFO L77 FloydHoareUtils]: At program point L25(lines 25 29) the Hoare annotation is: true [2024-11-13 22:56:37,687 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 27) the Hoare annotation is: true [2024-11-13 22:56:37,687 INFO L77 FloydHoareUtils]: At program point L23(lines 23 34) the Hoare annotation is: true [2024-11-13 22:56:37,688 INFO L77 FloydHoareUtils]: At program point L23-2(lines 21 36) the Hoare annotation is: true [2024-11-13 22:56:37,688 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:56:37,704 WARN L162 FloydHoareUtils]: Requires clause for func_to_recursive_line_16_to_18_0 contained old-variable. Original clause: (= |#memory_int| |old(#memory_int)|) Eliminated clause: true [2024-11-13 22:56:37,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:56:37 ImpRootNode [2024-11-13 22:56:37,710 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:56:37,711 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:56:37,711 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:56:37,711 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:56:37,712 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:56:35" (3/4) ... [2024-11-13 22:56:37,716 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:56:37,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_16_to_18_0 [2024-11-13 22:56:37,725 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-13 22:56:37,725 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 22:56:37,725 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:56:37,725 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:56:37,726 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:56:37,819 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:56:37,819 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:56:37,820 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:56:37,821 INFO L158 Benchmark]: Toolchain (without parser) took 3425.02ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 51.6MB in the end (delta: 66.9MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2024-11-13 22:56:37,821 INFO L158 Benchmark]: CDTParser took 1.66ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:56:37,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.20ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 107.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:56:37,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.95ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:56:37,822 INFO L158 Benchmark]: Boogie Preprocessor took 17.74ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.6MB in the end (delta: 573.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:56:37,823 INFO L158 Benchmark]: RCFGBuilder took 341.36ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 93.2MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:56:37,823 INFO L158 Benchmark]: CodeCheck took 2701.54ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 55.5MB in the end (delta: 37.7MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2024-11-13 22:56:37,824 INFO L158 Benchmark]: Witness Printer took 108.81ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 51.6MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:56:37,826 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 22 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 245 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/4 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: 27]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.66ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.20ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 107.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.95ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.74ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.6MB in the end (delta: 573.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 341.36ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 93.2MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2701.54ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 55.5MB in the end (delta: 37.7MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * Witness Printer took 108.81ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 51.6MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:56:37,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae9704-a5d4-4771-a0f8-20364ffb90b8/bin/ukojak-verify-EEHR8qb7sm/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