./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/EvenOdd03WithOverflowBug.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/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_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/EvenOdd03WithOverflowBug.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/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 32bit --witnessprinter.graph.data.programhash 04682225c8f8ef1d718e2eff7a5dbc28147daac3b8dcdca523479af4f0e32241 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:41:41,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:41:41,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 04:41:41,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:41:41,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:41:41,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:41:41,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:41:41,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:41:41,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:41:41,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:41:41,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:41:41,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:41:41,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:41:41,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:41:41,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:41:41,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:41:41,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:41:41,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:41:41,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:41:41,242 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:41:41,242 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:41:41,242 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:41:41,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:41:41,243 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:41:41,243 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:41:41,243 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:41:41,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:41:41,243 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:41:41,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:41:41,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:41:41,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:41:41,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:41:41,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:41:41,244 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:41:41,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:41:41,244 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_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04682225c8f8ef1d718e2eff7a5dbc28147daac3b8dcdca523479af4f0e32241 [2024-12-06 04:41:41,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:41:41,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:41:41,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:41:41,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:41:41,487 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:41:41,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursive/EvenOdd03WithOverflowBug.c [2024-12-06 04:41:44,078 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/bin/ukojak-verify-CZk0znPC7b/data/54c8c7de0/7a80cfce278e4237b3a90b6eba46f697/FLAG8c3eff0cb [2024-12-06 04:41:44,296 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:41:44,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/sv-benchmarks/c/recursive/EvenOdd03WithOverflowBug.c [2024-12-06 04:41:44,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/bin/ukojak-verify-CZk0znPC7b/data/54c8c7de0/7a80cfce278e4237b3a90b6eba46f697/FLAG8c3eff0cb [2024-12-06 04:41:44,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/bin/ukojak-verify-CZk0znPC7b/data/54c8c7de0/7a80cfce278e4237b3a90b6eba46f697 [2024-12-06 04:41:44,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:41:44,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:41:44,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:41:44,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:41:44,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:41:44,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:41:44" (1/1) ... [2024-12-06 04:41:44,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9658d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:44, skipping insertion in model container [2024-12-06 04:41:44,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:41:44" (1/1) ... [2024-12-06 04:41:44,683 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:41:44,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:41:44,805 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:41:44,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:41:44,832 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:41:44,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:44 WrapperNode [2024-12-06 04:41:44,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:41:44,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:41:44,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:41:44,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:41:44,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:44" (1/1) ... [2024-12-06 04:41:44,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:44" (1/1) ... [2024-12-06 04:41:44,852 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-12-06 04:41:44,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:41:44,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:41:44,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:41:44,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:41:44,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:44" (1/1) ... [2024-12-06 04:41:44,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:44" (1/1) ... [2024-12-06 04:41:44,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:44" (1/1) ... [2024-12-06 04:41:44,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:44" (1/1) ... [2024-12-06 04:41:44,861 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:44" (1/1) ... [2024-12-06 04:41:44,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:44" (1/1) ... [2024-12-06 04:41:44,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:44" (1/1) ... [2024-12-06 04:41:44,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:44" (1/1) ... [2024-12-06 04:41:44,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:44" (1/1) ... [2024-12-06 04:41:44,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:41:44,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:41:44,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:41:44,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:41:44,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:44" (1/1) ... [2024-12-06 04:41:44,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:41:44,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:41:44,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:41:44,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:41:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:41:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2024-12-06 04:41:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2024-12-06 04:41:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:41:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2024-12-06 04:41:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2024-12-06 04:41:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:41:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:41:44,975 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:41:44,976 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:41:45,088 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 04:41:45,088 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:41:45,119 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:41:45,119 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:41:45,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:41:45 BoogieIcfgContainer [2024-12-06 04:41:45,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:41:45,120 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:41:45,120 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:41:45,127 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:41:45,127 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:41:45" (1/1) ... [2024-12-06 04:41:45,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:41:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:45,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2024-12-06 04:41:45,171 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-12-06 04:41:45,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:41:45,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:45,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:41:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:41:45,232 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:41:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:41:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:41:45,268 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:41:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:41:45,281 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:41:45,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:41:45 ImpRootNode [2024-12-06 04:41:45,297 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:41:45,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:41:45,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:41:45,298 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:41:45,298 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:41:45" (3/4) ... [2024-12-06 04:41:45,299 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:41:45,325 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-12-06 04:41:45,358 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:41:45,359 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:41:45,359 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:41:45,359 INFO L158 Benchmark]: Toolchain (without parser) took 690.20ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 53.9MB in the end (delta: 39.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 04:41:45,360 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:41:45,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.25ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:41:45,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.20ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:41:45,361 INFO L158 Benchmark]: Boogie Preprocessor took 12.42ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.4MB in the end (delta: 602.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:41:45,361 INFO L158 Benchmark]: RCFGBuilder took 253.39ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 68.6MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:41:45,362 INFO L158 Benchmark]: CodeCheck took 177.31ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 58.0MB in the end (delta: 10.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:41:45,362 INFO L158 Benchmark]: Witness Printer took 61.05ms. Allocated memory is still 117.4MB. Free memory was 57.8MB in the beginning and 53.9MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:41:45,365 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 34]: integer overflow possible integer overflow possible We found a FailurePath: [L40] int n = __VERIFIER_nondet_int(); [L41] CALL isEven(n) VAL [\old(n)=-2147483648] [L29] COND FALSE !(n == 0) VAL [\old(n)=-2147483648, n=-2147483648] [L31] COND FALSE !(n == 1) VAL [\old(n)=-2147483648, n=-2147483648] [L34] n - 1 VAL [\old(n)=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.25ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.20ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.42ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.4MB in the end (delta: 602.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 253.39ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 68.6MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 177.31ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 58.0MB in the end (delta: 10.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.05ms. Allocated memory is still 117.4MB. Free memory was 57.8MB in the beginning and 53.9MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:41:45,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3259d0-3d21-4057-ac4a-2ef6f44a8e5c/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)