./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Addition02.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_2250c799-71e8-4519-8d15-8e22dc07dc64/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2250c799-71e8-4519-8d15-8e22dc07dc64/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_2250c799-71e8-4519-8d15-8e22dc07dc64/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2250c799-71e8-4519-8d15-8e22dc07dc64/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Addition02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2250c799-71e8-4519-8d15-8e22dc07dc64/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_2250c799-71e8-4519-8d15-8e22dc07dc64/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 12b38fa2e3d5fdbfa2e75fd7db8c6635c3a88ba468adc8c100051dd60d30a551 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:47:59,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:47:59,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2250c799-71e8-4519-8d15-8e22dc07dc64/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:47:59,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:47:59,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:47:59,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:47:59,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:47:59,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:47:59,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:47:59,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:47:59,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:47:59,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:47:59,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:47:59,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:47:59,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:47:59,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:47:59,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:47:59,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:47:59,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:47:59,504 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:47:59,504 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:47:59,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:47:59,504 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:47:59,504 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:47:59,504 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:47:59,504 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:47:59,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:47:59,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:59,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:47:59,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:47:59,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:47:59,505 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:47:59,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:47:59,505 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_2250c799-71e8-4519-8d15-8e22dc07dc64/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 -> 12b38fa2e3d5fdbfa2e75fd7db8c6635c3a88ba468adc8c100051dd60d30a551 [2024-11-13 22:47:59,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:47:59,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:47:59,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:47:59,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:47:59,860 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:47:59,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2250c799-71e8-4519-8d15-8e22dc07dc64/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursive/Addition02.c Unable to find full path for "g++" [2024-11-13 22:48:01,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:48:02,132 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:48:02,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2250c799-71e8-4519-8d15-8e22dc07dc64/sv-benchmarks/c/recursive/Addition02.c [2024-11-13 22:48:02,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2250c799-71e8-4519-8d15-8e22dc07dc64/bin/ukojak-verify-EEHR8qb7sm/data/f9fb27e1e/b7bf0b161a0c4ab995308ffc52816d32/FLAG202d730f2 [2024-11-13 22:48:02,173 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2250c799-71e8-4519-8d15-8e22dc07dc64/bin/ukojak-verify-EEHR8qb7sm/data/f9fb27e1e/b7bf0b161a0c4ab995308ffc52816d32 [2024-11-13 22:48:02,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:48:02,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:48:02,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:48:02,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:48:02,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:48:02,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:48:02" (1/1) ... [2024-11-13 22:48:02,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@471bbdc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:02, skipping insertion in model container [2024-11-13 22:48:02,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:48:02" (1/1) ... [2024-11-13 22:48:02,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:48:02,354 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_2250c799-71e8-4519-8d15-8e22dc07dc64/sv-benchmarks/c/recursive/Addition02.c[1124,1137] [2024-11-13 22:48:02,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:48:02,372 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:48:02,387 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_2250c799-71e8-4519-8d15-8e22dc07dc64/sv-benchmarks/c/recursive/Addition02.c[1124,1137] [2024-11-13 22:48:02,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:48:02,406 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:48:02,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:02 WrapperNode [2024-11-13 22:48:02,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:48:02,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:48:02,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:48:02,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:48:02,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:02" (1/1) ... [2024-11-13 22:48:02,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:02" (1/1) ... [2024-11-13 22:48:02,439 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-11-13 22:48:02,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:48:02,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:48:02,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:48:02,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:48:02,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:02" (1/1) ... [2024-11-13 22:48:02,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:02" (1/1) ... [2024-11-13 22:48:02,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:02" (1/1) ... [2024-11-13 22:48:02,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:02" (1/1) ... [2024-11-13 22:48:02,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:02" (1/1) ... [2024-11-13 22:48:02,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:02" (1/1) ... [2024-11-13 22:48:02,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:02" (1/1) ... [2024-11-13 22:48:02,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:02" (1/1) ... [2024-11-13 22:48:02,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:48:02,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:48:02,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:48:02,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:48:02,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:02" (1/1) ... [2024-11-13 22:48:02,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:48:02,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2250c799-71e8-4519-8d15-8e22dc07dc64/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:48:02,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2250c799-71e8-4519-8d15-8e22dc07dc64/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:48:02,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2250c799-71e8-4519-8d15-8e22dc07dc64/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:48:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:48:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:48:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:48:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:48:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2024-11-13 22:48:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2024-11-13 22:48:02,605 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:48:02,607 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:48:02,733 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-13 22:48:02,733 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:48:02,752 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:48:02,752 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:48:02,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:02 BoogieIcfgContainer [2024-11-13 22:48:02,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:48:02,754 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:48:02,754 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:48:02,765 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:48:02,765 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:02" (1/1) ... [2024-11-13 22:48:02,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:48:02,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:48:02,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-11-13 22:48:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-13 22:48:02,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:48:02,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:48:02,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:48:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:03,279 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 22:48:03,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:48:03,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 35 transitions. [2024-11-13 22:48:03,522 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2024-11-13 22:48:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:48:03,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:48:03,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:48:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:03,654 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 22:48:03,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:48:03,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 33 transitions. [2024-11-13 22:48:03,781 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-13 22:48:03,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:48:03,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:48:03,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:48:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:48:03,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:48:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:48:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:48:03,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:48:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:48:03,918 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 22:48:03,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:48:03 ImpRootNode [2024-11-13 22:48:03,957 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:48:03,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:48:03,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:48:03,958 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:48:03,960 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:02" (3/4) ... [2024-11-13 22:48:03,962 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:48:04,006 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2250c799-71e8-4519-8d15-8e22dc07dc64/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:48:04,007 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:48:04,009 INFO L158 Benchmark]: Toolchain (without parser) took 1829.54ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 106.4MB in the end (delta: 13.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-13 22:48:04,009 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:04,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.32ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.5MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:48:04,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.80ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:04,012 INFO L158 Benchmark]: Boogie Preprocessor took 15.01ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.9MB in the end (delta: 556.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:04,013 INFO L158 Benchmark]: RCFGBuilder took 297.55ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 95.9MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:48:04,013 INFO L158 Benchmark]: CodeCheck took 1202.99ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 109.0MB in the end (delta: -13.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:04,013 INFO L158 Benchmark]: Witness Printer took 49.36ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 106.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:04,015 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 28 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 209 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 45]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L29] int m = __VERIFIER_nondet_int(); [L30] COND FALSE !(m < 0 || m > 1073741823) [L35] int n = __VERIFIER_nondet_int(); [L36] COND FALSE !(n < 0 || n > 1073741823) VAL [m=0, n=1] [L41] CALL, EXPR addition(m,n) VAL [\old(m)=0, \old(n)=1] [L16] COND FALSE !(n == 0) VAL [\old(m)=0, \old(n)=1, m=0, n=1] [L19] COND TRUE n > 0 VAL [\old(m)=0, \old(n)=1, m=0, n=1] [L20] CALL, EXPR addition(m+1, n-1) VAL [\old(m)=1, \old(n)=0] [L16] COND TRUE n == 0 [L17] return m; VAL [\old(m)=1, \old(n)=0, \result=1] [L20] RET, EXPR addition(m+1, n-1) VAL [\old(m)=0, \old(n)=1, m=0, n=1] [L20] return addition(m+1, n-1); [L41] RET, EXPR addition(m,n) VAL [m=0, n=1] [L41] int result = addition(m,n); [L42] COND FALSE !(result == m - n) [L45] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.32ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.5MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.80ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.01ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.9MB in the end (delta: 556.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.55ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 95.9MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1202.99ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 109.0MB in the end (delta: -13.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 49.36ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 106.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:48:04,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2250c799-71e8-4519-8d15-8e22dc07dc64/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE