./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Gothenburg_v2-2.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_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/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_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Gothenburg_v2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/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_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/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 611ac8d71845ccf9a512fc72d6bc3a2815b4d05a21509285be3f30b1f4275a4d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:18:15,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:18:15,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:18:15,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:18:15,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:18:15,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:18:15,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:18:15,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:18:15,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:18:15,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:18:15,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:18:15,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:18:15,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:18:15,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:18:15,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:18:15,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:18:15,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:18:15,210 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:18:15,210 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:18:15,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:18:15,210 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:18:15,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:18:15,211 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:18:15,211 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:18:15,211 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:18:15,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:18:15,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:18:15,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:18:15,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:18:15,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:18:15,212 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:18:15,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:18:15,212 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_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/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 -> 611ac8d71845ccf9a512fc72d6bc3a2815b4d05a21509285be3f30b1f4275a4d [2024-11-25 02:18:15,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:18:15,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:18:15,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:18:15,637 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:18:15,638 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:18:15,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted/Gothenburg_v2-2.c [2024-11-25 02:18:18,891 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/bin/ukojak-verify-ENZ3QT5qd3/data/6bd486cee/4db535bdc1a948d0bb38012e50fb0081/FLAGf8b57c807 [2024-11-25 02:18:19,158 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:18:19,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/sv-benchmarks/c/termination-crafted/Gothenburg_v2-2.c [2024-11-25 02:18:19,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/bin/ukojak-verify-ENZ3QT5qd3/data/6bd486cee/4db535bdc1a948d0bb38012e50fb0081/FLAGf8b57c807 [2024-11-25 02:18:19,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/bin/ukojak-verify-ENZ3QT5qd3/data/6bd486cee/4db535bdc1a948d0bb38012e50fb0081 [2024-11-25 02:18:19,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:18:19,468 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:18:19,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:18:19,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:18:19,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:18:19,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:18:19" (1/1) ... [2024-11-25 02:18:19,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@750799c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:19, skipping insertion in model container [2024-11-25 02:18:19,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:18:19" (1/1) ... [2024-11-25 02:18:19,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:18:19,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:18:19,672 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:18:19,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:18:19,703 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:18:19,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:19 WrapperNode [2024-11-25 02:18:19,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:18:19,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:18:19,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:18:19,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:18:19,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:19" (1/1) ... [2024-11-25 02:18:19,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:19" (1/1) ... [2024-11-25 02:18:19,737 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2024-11-25 02:18:19,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:18:19,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:18:19,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:18:19,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:18:19,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:19" (1/1) ... [2024-11-25 02:18:19,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:19" (1/1) ... [2024-11-25 02:18:19,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:19" (1/1) ... [2024-11-25 02:18:19,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:19" (1/1) ... [2024-11-25 02:18:19,754 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:19" (1/1) ... [2024-11-25 02:18:19,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:19" (1/1) ... [2024-11-25 02:18:19,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:19" (1/1) ... [2024-11-25 02:18:19,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:19" (1/1) ... [2024-11-25 02:18:19,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:19" (1/1) ... [2024-11-25 02:18:19,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:18:19,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:18:19,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:18:19,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:18:19,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:19" (1/1) ... [2024-11-25 02:18:19,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:18:19,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:18:19,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:18:19,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:18:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:18:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:18:19,961 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:18:19,963 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:18:20,188 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-25 02:18:20,189 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:18:20,231 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:18:20,231 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:18:20,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:18:20 BoogieIcfgContainer [2024-11-25 02:18:20,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:18:20,232 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:18:20,232 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:18:20,244 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:18:20,244 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:18:20" (1/1) ... [2024-11-25 02:18:20,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:18:20,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:20,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2024-11-25 02:18:20,321 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2024-11-25 02:18:20,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 02:18:20,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:20,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:20,523 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 02:18:20,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2024-11-25 02:18:20,577 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2024-11-25 02:18:20,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:18:20,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:20,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:18:20,595 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:18:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:18:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:18:20,644 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:18:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:18:20,663 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:18:20,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:18:20 ImpRootNode [2024-11-25 02:18:20,688 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:18:20,689 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:18:20,689 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:18:20,690 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:18:20,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:18:20" (3/4) ... [2024-11-25 02:18:20,692 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:18:20,740 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 1. [2024-11-25 02:18:20,785 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:18:20,785 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:18:20,785 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:18:20,787 INFO L158 Benchmark]: Toolchain (without parser) took 1318.46ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 51.9MB in the end (delta: 41.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:18:20,787 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:18:20,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.14ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.6MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:18:20,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.95ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:18:20,788 INFO L158 Benchmark]: Boogie Preprocessor took 33.00ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.7MB in the end (delta: 712.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:18:20,788 INFO L158 Benchmark]: RCFGBuilder took 457.54ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 69.2MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:18:20,789 INFO L158 Benchmark]: CodeCheck took 456.24ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 55.9MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:18:20,789 INFO L158 Benchmark]: Witness Printer took 96.28ms. Allocated memory is still 117.4MB. Free memory was 55.9MB in the beginning and 51.9MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:18:20,791 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, 33 locations, 14 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, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int x, y, a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] b + 1 VAL [a=0, x=0, y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.14ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.6MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.95ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.00ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.7MB in the end (delta: 712.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.54ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 69.2MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 456.24ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 55.9MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 96.28ms. Allocated memory is still 117.4MB. Free memory was 55.9MB in the beginning and 51.9MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:18:20,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e6d861-8d19-4d2a-9c11-5a4cd3abb6aa/bin/ukojak-verify-ENZ3QT5qd3/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)