./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.03.c --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_0229c34e-b061-43d2-9655-4df5cfaef97b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/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_0229c34e-b061-43d2-9655-4df5cfaef97b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/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_0229c34e-b061-43d2-9655-4df5cfaef97b/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 d608a6d16211bd2509ce8ec0c298331a11fbcfc89a2c7b94b17f52428d986543 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:15:31,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:15:31,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:15:31,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:15:31,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:15:31,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:15:31,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:15:31,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:15:31,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:15:31,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:15:31,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:15:31,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:15:31,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:15:31,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:15:31,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:15:31,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:15:31,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:15:31,431 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:15:31,431 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:15:31,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:15:31,432 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:15:31,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:15:31,432 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:15:31,432 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:15:31,432 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:15:31,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:15:31,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:15:31,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:15:31,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:15:31,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:15:31,432 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:15:31,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:15:31,433 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_0229c34e-b061-43d2-9655-4df5cfaef97b/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 -> d608a6d16211bd2509ce8ec0c298331a11fbcfc89a2c7b94b17f52428d986543 [2024-12-06 05:15:31,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:15:31,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:15:31,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:15:31,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:15:31,693 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:15:31,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.03.c [2024-12-06 05:15:34,640 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/bin/ukojak-verify-CZk0znPC7b/data/0bbb69faf/cb0dd3fd275a420d9800c9a4c68aec10/FLAGe58d1e6ee [2024-12-06 05:15:34,848 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:15:34,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.03.c [2024-12-06 05:15:34,854 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/bin/ukojak-verify-CZk0znPC7b/data/0bbb69faf/cb0dd3fd275a420d9800c9a4c68aec10/FLAGe58d1e6ee [2024-12-06 05:15:34,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/bin/ukojak-verify-CZk0znPC7b/data/0bbb69faf/cb0dd3fd275a420d9800c9a4c68aec10 [2024-12-06 05:15:34,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:15:34,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:15:34,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:15:34,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:15:34,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:15:34,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:15:34" (1/1) ... [2024-12-06 05:15:34,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a449834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:34, skipping insertion in model container [2024-12-06 05:15:34,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:15:34" (1/1) ... [2024-12-06 05:15:34,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:15:34,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:15:35,000 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:15:35,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:15:35,020 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:15:35,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:35 WrapperNode [2024-12-06 05:15:35,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:15:35,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:15:35,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:15:35,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:15:35,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:35" (1/1) ... [2024-12-06 05:15:35,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:35" (1/1) ... [2024-12-06 05:15:35,043 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-12-06 05:15:35,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:15:35,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:15:35,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:15:35,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:15:35,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:35" (1/1) ... [2024-12-06 05:15:35,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:35" (1/1) ... [2024-12-06 05:15:35,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:35" (1/1) ... [2024-12-06 05:15:35,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:35" (1/1) ... [2024-12-06 05:15:35,052 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:35" (1/1) ... [2024-12-06 05:15:35,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:35" (1/1) ... [2024-12-06 05:15:35,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:35" (1/1) ... [2024-12-06 05:15:35,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:35" (1/1) ... [2024-12-06 05:15:35,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:35" (1/1) ... [2024-12-06 05:15:35,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:15:35,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:15:35,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:15:35,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:15:35,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:35" (1/1) ... [2024-12-06 05:15:35,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:15:35,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:15:35,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:15:35,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:15:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:15:35,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:15:35,188 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:15:35,190 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:15:35,275 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-06 05:15:35,275 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:15:35,299 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:15:35,299 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:15:35,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:15:35 BoogieIcfgContainer [2024-12-06 05:15:35,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:15:35,300 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:15:35,301 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:15:35,309 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:15:35,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:15:35" (1/1) ... [2024-12-06 05:15:35,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:15:35,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:35,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-12-06 05:15:35,376 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-12-06 05:15:35,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:15:35,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:35,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:15:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:35,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:35,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 05:15:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 05:15:35,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:15:35,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:35,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:15:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:15:35,623 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:15:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:15:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:15:35,647 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:15:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:15:35,657 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 05:15:35,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:15:35 ImpRootNode [2024-12-06 05:15:35,673 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:15:35,674 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:15:35,674 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:15:35,674 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:15:35,675 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:15:35" (3/4) ... [2024-12-06 05:15:35,675 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:15:35,703 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-12-06 05:15:35,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:15:35,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:15:35,739 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:15:35,740 INFO L158 Benchmark]: Toolchain (without parser) took 869.80ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 53.3MB in the end (delta: 39.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 05:15:35,740 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:15:35,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 150.04ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 83.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:15:35,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.00ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.3MB in the end (delta: 881.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:15:35,741 INFO L158 Benchmark]: Boogie Preprocessor took 16.33ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.5MB in the end (delta: 807.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:15:35,742 INFO L158 Benchmark]: RCFGBuilder took 238.40ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 71.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:15:35,742 INFO L158 Benchmark]: CodeCheck took 372.62ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 57.1MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:15:35,742 INFO L158 Benchmark]: Witness Printer took 65.51ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 53.3MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:15:35,744 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, 15 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, z; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] z = __VERIFIER_nondet_int() [L27] COND TRUE x > 0 VAL [x=1, y=2147483647, z=0] [L28] x + y VAL [z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 150.04ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 83.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.00ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.3MB in the end (delta: 881.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.33ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.5MB in the end (delta: 807.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 238.40ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 71.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 372.62ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 57.1MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 65.51ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 53.3MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:15:35,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0229c34e-b061-43d2-9655-4df5cfaef97b/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)