./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.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_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3 --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 1166cc70ce2b36ce603eb9fdc3f35a61ebe91a3f9f58f9c1f6c868b8a86b5a19 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:21:06,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:21:06,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:21:06,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:21:06,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:21:06,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:21:06,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:21:06,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:21:06,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:21:06,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:21:06,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:21:06,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:21:06,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:21:06,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:21:06,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:21:06,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:21:06,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:21:06,436 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:21:06,436 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:21:06,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:21:06,436 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:21:06,436 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:21:06,437 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:21:06,437 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:21:06,437 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:21:06,437 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:21:06,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:21:06,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:21:06,438 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:21:06,438 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:21:06,438 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:21:06,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:21:06,438 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_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3 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 -> 1166cc70ce2b36ce603eb9fdc3f35a61ebe91a3f9f58f9c1f6c868b8a86b5a19 [2024-11-25 02:21:06,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:21:06,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:21:06,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:21:06,819 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:21:06,819 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:21:06,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c [2024-11-25 02:21:09,870 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/data/5db097c80/a799803a5dfa4a2e9a48a272788d591a/FLAGd7a19ded3 [2024-11-25 02:21:10,113 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:21:10,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c [2024-11-25 02:21:10,122 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/data/5db097c80/a799803a5dfa4a2e9a48a272788d591a/FLAGd7a19ded3 [2024-11-25 02:21:10,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/data/5db097c80/a799803a5dfa4a2e9a48a272788d591a [2024-11-25 02:21:10,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:21:10,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:21:10,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:21:10,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:21:10,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:21:10,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2031b4f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:10, skipping insertion in model container [2024-11-25 02:21:10,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:21:10,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:21:10,355 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:21:10,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:21:10,389 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:21:10,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:10 WrapperNode [2024-11-25 02:21:10,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:21:10,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:21:10,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:21:10,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:21:10,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,406 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,430 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-11-25 02:21:10,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:21:10,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:21:10,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:21:10,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:21:10,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,445 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:21:10,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:21:10,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:21:10,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:21:10,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:21:10,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:21:10,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:21:10,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:21:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:21:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:21:10,635 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:21:10,638 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:21:10,838 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-25 02:21:10,838 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:21:10,877 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:21:10,878 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:21:10,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:21:10 BoogieIcfgContainer [2024-11-25 02:21:10,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:21:10,880 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:21:10,880 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:21:10,896 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:21:10,897 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:21:10" (1/1) ... [2024-11-25 02:21:10,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:21:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:21:10,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2024-11-25 02:21:10,994 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-11-25 02:21:10,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:21:10,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:21:11,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:21:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:21:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:21:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:21:11,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2024-11-25 02:21:11,503 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2024-11-25 02:21:11,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:21:11,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:21:11,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:21:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:21:11,516 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:21:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:21:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:21:11,571 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:21:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:21:11,595 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:21:11,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:21:11 ImpRootNode [2024-11-25 02:21:11,632 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:21:11,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:21:11,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:21:11,634 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:21:11,636 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:21:10" (3/4) ... [2024-11-25 02:21:11,637 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:21:11,683 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 1. [2024-11-25 02:21:11,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:21:11,740 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:21:11,740 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:21:11,741 INFO L158 Benchmark]: Toolchain (without parser) took 1599.15ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 49.2MB in the end (delta: 44.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:21:11,741 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:21:11,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.22ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 83.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:21:11,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.99ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.2MB in the end (delta: 839.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:21:11,744 INFO L158 Benchmark]: Boogie Preprocessor took 29.35ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.6MB in the end (delta: 589.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:21:11,745 INFO L158 Benchmark]: RCFGBuilder took 417.05ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 71.3MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:21:11,745 INFO L158 Benchmark]: CodeCheck took 752.99ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 53.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:21:11,746 INFO L158 Benchmark]: Witness Printer took 106.33ms. Allocated memory is still 117.4MB. Free memory was 52.8MB in the beginning and 49.2MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:21:11,750 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, 26 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 2 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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: 27]: 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] x >= 0 && x + y >= 0 VAL [x=1, y=2147483647, z=0] [L27] x + y VAL [z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.22ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 83.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.99ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.2MB in the end (delta: 839.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.35ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.6MB in the end (delta: 589.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 417.05ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 71.3MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 752.99ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 53.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 106.33ms. Allocated memory is still 117.4MB. Free memory was 52.8MB in the beginning and 49.2MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:21:11,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd74f57-81d3-4578-b470-d0075545caaf/bin/ukojak-verify-ENZ3QT5qd3/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)