./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b834abf8dc1317d8271c7246f1223cb53b92d1ccf9f4021ff5d970b2c79106ab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:13:01,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:13:01,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:13:01,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:13:01,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:13:01,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:13:01,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:13:01,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:13:01,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:13:01,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:13:01,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:13:01,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:13:01,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:13:01,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:13:01,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:13:01,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:13:01,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:13:01,437 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:13:01,437 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:13:01,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:13:01,437 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:13:01,437 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:13:01,437 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:13:01,437 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:13:01,437 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:13:01,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:13:01,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:13:01,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:13:01,438 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:13:01,438 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:13:01,438 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:13:01,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:13:01,438 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_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b 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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b834abf8dc1317d8271c7246f1223cb53b92d1ccf9f4021ff5d970b2c79106ab [2024-12-05 23:13:01,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:13:01,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:13:01,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:13:01,674 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:13:01,674 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:13:01,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i [2024-12-05 23:13:04,298 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/data/052f6dbfe/5648770eb01e4c399e5542b99ee9aec0/FLAGd259e5e88 [2024-12-05 23:13:04,515 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:13:04,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i [2024-12-05 23:13:04,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/data/052f6dbfe/5648770eb01e4c399e5542b99ee9aec0/FLAGd259e5e88 [2024-12-05 23:13:04,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/data/052f6dbfe/5648770eb01e4c399e5542b99ee9aec0 [2024-12-05 23:13:04,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:13:04,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:13:04,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:13:04,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:13:04,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:13:04,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:13:04" (1/1) ... [2024-12-05 23:13:04,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b011ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:04, skipping insertion in model container [2024-12-05 23:13:04,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:13:04" (1/1) ... [2024-12-05 23:13:04,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:13:05,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:13:05,039 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:13:05,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:13:05,066 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:13:05,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:05 WrapperNode [2024-12-05 23:13:05,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:13:05,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:13:05,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:13:05,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:13:05,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:05" (1/1) ... [2024-12-05 23:13:05,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:05" (1/1) ... [2024-12-05 23:13:05,095 INFO L138 Inliner]: procedures = 12, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-12-05 23:13:05,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:13:05,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:13:05,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:13:05,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:13:05,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:05" (1/1) ... [2024-12-05 23:13:05,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:05" (1/1) ... [2024-12-05 23:13:05,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:05" (1/1) ... [2024-12-05 23:13:05,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:05" (1/1) ... [2024-12-05 23:13:05,109 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:05" (1/1) ... [2024-12-05 23:13:05,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:05" (1/1) ... [2024-12-05 23:13:05,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:05" (1/1) ... [2024-12-05 23:13:05,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:05" (1/1) ... [2024-12-05 23:13:05,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:05" (1/1) ... [2024-12-05 23:13:05,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:13:05,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:13:05,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:13:05,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:13:05,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:05" (1/1) ... [2024-12-05 23:13:05,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:13:05,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:13:05,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:13:05,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:13:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:13:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:13:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-05 23:13:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-05 23:13:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-12-05 23:13:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-12-05 23:13:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:13:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:13:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:13:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:13:05,240 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:13:05,242 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:13:05,431 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-05 23:13:05,432 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:13:05,464 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:13:05,464 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:13:05,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:13:05 BoogieIcfgContainer [2024-12-05 23:13:05,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:13:05,465 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:13:05,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:13:05,474 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:13:05,475 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:13:05" (1/1) ... [2024-12-05 23:13:05,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:13:05,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2024-12-05 23:13:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2024-12-05 23:13:05,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:13:05,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:05,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:05,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:05,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:05,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2024-12-05 23:13:05,753 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-12-05 23:13:05,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:13:05,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:05,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:13:05,789 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:13:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:13:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:13:05,856 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:13:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:13:05,880 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 23:13:05,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:13:05 ImpRootNode [2024-12-05 23:13:05,903 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:13:05,904 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:13:05,904 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:13:05,904 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:13:05,905 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:13:05" (3/4) ... [2024-12-05 23:13:05,905 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:13:05,936 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-12-05 23:13:05,985 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:13:05,985 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:13:05,985 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:13:05,986 INFO L158 Benchmark]: Toolchain (without parser) took 1100.21ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 91.2MB in the end (delta: 1.7MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2024-12-05 23:13:05,987 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:13:05,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.82ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.1MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:13:05,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.37ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:13:05,987 INFO L158 Benchmark]: Boogie Preprocessor took 19.92ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.2MB in the end (delta: 815.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:13:05,988 INFO L158 Benchmark]: RCFGBuilder took 347.90ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 64.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:13:05,988 INFO L158 Benchmark]: CodeCheck took 438.52ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 41.6MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:13:05,988 INFO L158 Benchmark]: Witness Printer took 81.41ms. Allocated memory is still 117.4MB. Free memory was 41.4MB in the beginning and 91.2MB in the end (delta: -49.9MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-12-05 23:13:05,990 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 31 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L56] int *p1 = malloc(sizeof(int)); [L57] int *p2 = malloc(sizeof(int)); [L60] *p1 = __VERIFIER_nondet_int() [L61] *p2 = __VERIFIER_nondet_int() [L63] EXPR \read(*p1) [L63] *p1 < 0 || *p2 < 0 [L63] EXPR \read(*p2) [L63] *p1 < 0 || *p2 < 0 VAL [p1={-1:0}, p2={-2:0}] [L63] COND FALSE !(*p1 < 0 || *p2 < 0) [L66] EXPR \read(*p2) VAL [p1={-1:0}] [L66] CALL f(p1,*p2) VAL [\old(q)={-1:0}, \old(v)=2147483647] [L17] COND FALSE !(v < 0) [L22] int *tmp = malloc(sizeof(int)); [L23] v+1 VAL [\old(q)={-1:0}, \old(v)=2147483647, tmp={18748:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.82ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.1MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.37ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.92ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.2MB in the end (delta: 815.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.90ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 64.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 438.52ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 41.6MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 81.41ms. Allocated memory is still 117.4MB. Free memory was 41.4MB in the beginning and 91.2MB in the end (delta: -49.9MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:13:06,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf35f24-0c21-4d48-a8f6-8ee0a92a2e63/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)