./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/ChenFlurMukhopadhyay-2012SAS-Fig1-alloca.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_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/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_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/ChenFlurMukhopadhyay-2012SAS-Fig1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/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_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/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 39c910669a5ae217fd774270a6a08b308caa9a854e48d50a4abcd5433bff426e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:53:39,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:53:39,610 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 21:53:39,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:53:39,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:53:39,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:53:39,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:53:39,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:53:39,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:53:39,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:53:39,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:53:39,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:53:39,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:53:39,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:53:39,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:53:39,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:53:39,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:53:39,641 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:53:39,641 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:53:39,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:53:39,641 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:53:39,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:53:39,641 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:53:39,641 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:53:39,641 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:53:39,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:53:39,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:53:39,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:53:39,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:53:39,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:53:39,642 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:53:39,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:53:39,642 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_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/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 -> 39c910669a5ae217fd774270a6a08b308caa9a854e48d50a4abcd5433bff426e [2024-12-05 21:53:39,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:53:39,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:53:39,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:53:39,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:53:39,888 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:53:39,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-memory-alloca/ChenFlurMukhopadhyay-2012SAS-Fig1-alloca.i [2024-12-05 21:53:42,552 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/bin/ukojak-verify-CZk0znPC7b/data/29caa3780/5bba55eac3f344e7904ac06d2eec4c5d/FLAGfb1ed7c78 [2024-12-05 21:53:42,743 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:53:42,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/sv-benchmarks/c/termination-memory-alloca/ChenFlurMukhopadhyay-2012SAS-Fig1-alloca.i [2024-12-05 21:53:42,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/bin/ukojak-verify-CZk0znPC7b/data/29caa3780/5bba55eac3f344e7904ac06d2eec4c5d/FLAGfb1ed7c78 [2024-12-05 21:53:42,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/bin/ukojak-verify-CZk0znPC7b/data/29caa3780/5bba55eac3f344e7904ac06d2eec4c5d [2024-12-05 21:53:42,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:53:42,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:53:42,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:53:42,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:53:42,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:53:42,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:53:42" (1/1) ... [2024-12-05 21:53:42,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632408d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:53:42, skipping insertion in model container [2024-12-05 21:53:42,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:53:42" (1/1) ... [2024-12-05 21:53:42,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:53:43,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:53:43,039 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:53:43,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:53:43,091 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:53:43,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:53:43 WrapperNode [2024-12-05 21:53:43,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:53:43,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:53:43,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:53:43,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:53:43,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:53:43" (1/1) ... [2024-12-05 21:53:43,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:53:43" (1/1) ... [2024-12-05 21:53:43,122 INFO L138 Inliner]: procedures = 110, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-12-05 21:53:43,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:53:43,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:53:43,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:53:43,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:53:43,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:53:43" (1/1) ... [2024-12-05 21:53:43,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:53:43" (1/1) ... [2024-12-05 21:53:43,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:53:43" (1/1) ... [2024-12-05 21:53:43,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:53:43" (1/1) ... [2024-12-05 21:53:43,135 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:53:43" (1/1) ... [2024-12-05 21:53:43,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:53:43" (1/1) ... [2024-12-05 21:53:43,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:53:43" (1/1) ... [2024-12-05 21:53:43,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:53:43" (1/1) ... [2024-12-05 21:53:43,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:53:43" (1/1) ... [2024-12-05 21:53:43,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:53:43,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:53:43,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:53:43,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:53:43,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:53:43" (1/1) ... [2024-12-05 21:53:43,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:53:43,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:53:43,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:53:43,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:53:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 21:53:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 21:53:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:53:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:53:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:53:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:53:43,264 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:53:43,266 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:53:43,356 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-05 21:53:43,356 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:53:43,376 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:53:43,377 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:53:43,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:53:43 BoogieIcfgContainer [2024-12-05 21:53:43,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:53:43,378 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:53:43,378 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:53:43,387 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:53:43,387 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:53:43" (1/1) ... [2024-12-05 21:53:43,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:53:43,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:53:43,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-12-05 21:53:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-12-05 21:53:43,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:53:43,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:53:43,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:53:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:53:43,833 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 21:53:43,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:53:43,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-12-05 21:53:43,920 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-12-05 21:53:43,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:53:43,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:53:43,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:53:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:53:43,940 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:53:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:53:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:53:43,997 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:53:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:53:44,013 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 21:53:44,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:53:44 ImpRootNode [2024-12-05 21:53:44,038 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:53:44,039 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:53:44,039 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:53:44,039 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:53:44,040 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:53:43" (3/4) ... [2024-12-05 21:53:44,040 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 21:53:44,075 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-12-05 21:53:44,114 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:53:44,114 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:53:44,114 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:53:44,115 INFO L158 Benchmark]: Toolchain (without parser) took 1342.97ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 98.4MB in the end (delta: 16.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-12-05 21:53:44,115 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:53:44,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.46ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 99.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:53:44,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.99ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 97.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:53:44,116 INFO L158 Benchmark]: Boogie Preprocessor took 17.19ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.8MB in the end (delta: 969.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:53:44,116 INFO L158 Benchmark]: RCFGBuilder took 236.08ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 84.0MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:53:44,117 INFO L158 Benchmark]: CodeCheck took 660.47ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 102.6MB in the end (delta: -18.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:53:44,117 INFO L158 Benchmark]: Witness Printer took 75.20ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 98.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:53:44,119 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 1 procedures, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 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: 555]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] int* y = __builtin_alloca (sizeof(int)); [L550] int* z = __builtin_alloca (sizeof(int)); [L551] *x = __VERIFIER_nondet_int() [L552] *y = __VERIFIER_nondet_int() [L553] *z = __VERIFIER_nondet_int() [L554] EXPR \read(*x) VAL [x={22283:0}, y={22282:0}, z={22281:0}] [L554] COND TRUE *x > 0 [L555] EXPR \read(*x) [L555] EXPR \read(*y) VAL [x={22283:0}, y={22282:0}, z={22281:0}] [L555] *x + *y VAL [x={22283:0}, y={22282:0}, z={22281:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.46ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 99.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.99ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 97.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.19ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.8MB in the end (delta: 969.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 236.08ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 84.0MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 660.47ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 102.6MB in the end (delta: -18.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.20ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 98.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 21:53:44,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea1543-7e14-4c96-b28b-7c54ff0a0c25/bin/ukojak-verify-CZk0znPC7b/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(OVERFLOW)