./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/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_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/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_77b2b208-a502-4ff7-8a09-4125c186440a/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 e4d49b39354d6824b8b6ce416766104dffa55ea39cd85f05f028a9ec27ac9f3a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:47:01,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:47:01,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:47:01,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:47:01,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:47:01,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:47:01,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:47:01,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:47:01,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:47:01,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:47:01,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:47:01,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:47:01,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:47:01,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:47:01,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:47:01,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:47:01,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:47:01,102 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:47:01,102 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:47:01,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:47:01,102 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:47:01,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:47:01,103 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:47:01,103 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:47:01,103 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:47:01,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:47:01,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:47:01,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:47:01,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:47:01,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:47:01,103 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:47:01,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:47:01,103 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_77b2b208-a502-4ff7-8a09-4125c186440a/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 -> e4d49b39354d6824b8b6ce416766104dffa55ea39cd85f05f028a9ec27ac9f3a [2024-12-06 00:47:01,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:47:01,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:47:01,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:47:01,329 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:47:01,330 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:47:01,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_66_bad.i [2024-12-06 00:47:03,966 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/data/08222d845/39a664cdf0f647b59ee4b04eafa729e3/FLAG896aa3336 [2024-12-06 00:47:04,222 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:47:04,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_66_bad.i [2024-12-06 00:47:04,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/data/08222d845/39a664cdf0f647b59ee4b04eafa729e3/FLAG896aa3336 [2024-12-06 00:47:04,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/data/08222d845/39a664cdf0f647b59ee4b04eafa729e3 [2024-12-06 00:47:04,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:47:04,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:47:04,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:47:04,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:47:04,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:47:04,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:47:04" (1/1) ... [2024-12-06 00:47:04,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36059bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:04, skipping insertion in model container [2024-12-06 00:47:04,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:47:04" (1/1) ... [2024-12-06 00:47:04,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:47:04,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:47:04,887 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:47:04,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:47:05,057 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:47:05,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:05 WrapperNode [2024-12-06 00:47:05,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:47:05,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:47:05,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:47:05,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:47:05,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:05" (1/1) ... [2024-12-06 00:47:05,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:05" (1/1) ... [2024-12-06 00:47:05,097 INFO L138 Inliner]: procedures = 498, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2024-12-06 00:47:05,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:47:05,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:47:05,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:47:05,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:47:05,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:05" (1/1) ... [2024-12-06 00:47:05,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:05" (1/1) ... [2024-12-06 00:47:05,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:05" (1/1) ... [2024-12-06 00:47:05,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:05" (1/1) ... [2024-12-06 00:47:05,113 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:05" (1/1) ... [2024-12-06 00:47:05,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:05" (1/1) ... [2024-12-06 00:47:05,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:05" (1/1) ... [2024-12-06 00:47:05,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:05" (1/1) ... [2024-12-06 00:47:05,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:05" (1/1) ... [2024-12-06 00:47:05,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:47:05,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:47:05,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:47:05,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:47:05,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:05" (1/1) ... [2024-12-06 00:47:05,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:47:05,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:47:05,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:47:05,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:47:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:47:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:47:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:47:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:47:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:47:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:47:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:47:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:47:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:47:05,276 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:47:05,277 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:47:05,458 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-12-06 00:47:05,458 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:47:05,601 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:47:05,601 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:47:05,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:47:05 BoogieIcfgContainer [2024-12-06 00:47:05,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:47:05,602 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:47:05,602 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:47:05,612 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:47:05,612 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:47:05" (1/1) ... [2024-12-06 00:47:05,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:47:05,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:05,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 00:47:05,664 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 00:47:05,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:47:05,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:47:05,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:47:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:47:05,896 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:47:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:47:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:47:06,034 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:47:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:47:06,077 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:47:06,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:47:06 ImpRootNode [2024-12-06 00:47:06,100 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:47:06,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:47:06,101 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:47:06,101 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:47:06,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:47:05" (3/4) ... [2024-12-06 00:47:06,104 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:47:06,105 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:47:06,107 INFO L158 Benchmark]: Toolchain (without parser) took 1849.03ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 58.0MB in the end (delta: 31.3MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-12-06 00:47:06,107 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:47:06,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 800.28ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 80.3MB in the end (delta: 8.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-12-06 00:47:06,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.30ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 77.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:47:06,108 INFO L158 Benchmark]: Boogie Preprocessor took 19.97ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 75.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:47:06,108 INFO L158 Benchmark]: RCFGBuilder took 483.40ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 37.8MB in the end (delta: 38.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 00:47:06,109 INFO L158 Benchmark]: CodeCheck took 497.60ms. Allocated memory is still 117.4MB. Free memory was 37.8MB in the beginning and 58.0MB in the end (delta: -20.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:47:06,109 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 117.4MB. Free memory was 58.0MB in the beginning and 58.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:47:06,111 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_postdec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_postdec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * 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 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 800.28ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 80.3MB in the end (delta: 8.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.30ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 77.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.97ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 75.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 483.40ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 37.8MB in the end (delta: 38.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 497.60ms. Allocated memory is still 117.4MB. Free memory was 37.8MB in the beginning and 58.0MB in the end (delta: -20.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 117.4MB. Free memory was 58.0MB in the beginning and 58.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:47:06,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/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_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/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 e4d49b39354d6824b8b6ce416766104dffa55ea39cd85f05f028a9ec27ac9f3a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:47:08,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:47:08,119 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:47:08,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:47:08,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:47:08,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:47:08,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:47:08,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:47:08,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:47:08,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:47:08,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:47:08,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:47:08,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:47:08,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:47:08,146 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:47:08,147 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:47:08,147 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:47:08,147 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:47:08,147 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:47:08,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:47:08,147 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:47:08,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:47:08,147 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:47:08,147 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:47:08,147 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:47:08,147 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:47:08,148 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:47:08,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:47:08,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:47:08,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:47:08,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:47:08,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:47:08,148 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:47:08,148 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:47:08,148 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:47:08,148 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_77b2b208-a502-4ff7-8a09-4125c186440a/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 -> e4d49b39354d6824b8b6ce416766104dffa55ea39cd85f05f028a9ec27ac9f3a [2024-12-06 00:47:08,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:47:08,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:47:08,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:47:08,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:47:08,382 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:47:08,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_66_bad.i [2024-12-06 00:47:11,066 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/data/be72a118c/544aaf7d05674912b12773211db2517e/FLAGb52ab1b84 [2024-12-06 00:47:11,337 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:47:11,338 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_66_bad.i [2024-12-06 00:47:11,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/data/be72a118c/544aaf7d05674912b12773211db2517e/FLAGb52ab1b84 [2024-12-06 00:47:11,373 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/data/be72a118c/544aaf7d05674912b12773211db2517e [2024-12-06 00:47:11,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:47:11,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:47:11,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:47:11,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:47:11,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:47:11,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:47:11" (1/1) ... [2024-12-06 00:47:11,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74be0a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:11, skipping insertion in model container [2024-12-06 00:47:11,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:47:11" (1/1) ... [2024-12-06 00:47:11,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:47:12,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:47:12,081 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:47:12,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:47:12,307 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:47:12,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:12 WrapperNode [2024-12-06 00:47:12,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:47:12,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:47:12,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:47:12,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:47:12,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:12" (1/1) ... [2024-12-06 00:47:12,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:12" (1/1) ... [2024-12-06 00:47:12,350 INFO L138 Inliner]: procedures = 503, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2024-12-06 00:47:12,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:47:12,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:47:12,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:47:12,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:47:12,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:12" (1/1) ... [2024-12-06 00:47:12,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:12" (1/1) ... [2024-12-06 00:47:12,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:12" (1/1) ... [2024-12-06 00:47:12,360 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:12" (1/1) ... [2024-12-06 00:47:12,369 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:12" (1/1) ... [2024-12-06 00:47:12,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:12" (1/1) ... [2024-12-06 00:47:12,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:12" (1/1) ... [2024-12-06 00:47:12,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:12" (1/1) ... [2024-12-06 00:47:12,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:12" (1/1) ... [2024-12-06 00:47:12,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:47:12,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:47:12,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:47:12,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:47:12,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:12" (1/1) ... [2024-12-06 00:47:12,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:47:12,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:47:12,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:47:12,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:47:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:47:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:47:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:47:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:47:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:47:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:47:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 00:47:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:47:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 00:47:12,541 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:47:12,542 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:47:12,660 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-12-06 00:47:12,660 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:47:12,714 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:47:12,715 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:47:12,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:47:12 BoogieIcfgContainer [2024-12-06 00:47:12,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:47:12,716 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:47:12,716 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:47:12,725 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:47:12,725 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:47:12" (1/1) ... [2024-12-06 00:47:12,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:47:12,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 00:47:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 00:47:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:47:12,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:47:12,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:47:12,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:47:12,780 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:47:12,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:47:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:47:12,964 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:47:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:47:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:47:13,107 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:47:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:47:13,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:47:13,150 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:47:13,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:47:13 ImpRootNode [2024-12-06 00:47:13,174 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:47:13,174 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:47:13,174 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:47:13,175 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:47:13,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:47:12" (3/4) ... [2024-12-06 00:47:13,176 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:47:13,215 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 00:47:13,255 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:47:13,256 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:47:13,256 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:47:13,257 INFO L158 Benchmark]: Toolchain (without parser) took 1880.42ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 66.1MB in the beginning and 107.6MB in the end (delta: -41.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-06 00:47:13,257 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:47:13,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 930.31ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 61.8MB in the end (delta: 4.1MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-12-06 00:47:13,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.15ms. Allocated memory is still 92.3MB. Free memory was 61.8MB in the beginning and 59.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:47:13,258 INFO L158 Benchmark]: Boogie Preprocessor took 26.80ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 57.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:47:13,258 INFO L158 Benchmark]: RCFGBuilder took 336.71ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 39.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:47:13,259 INFO L158 Benchmark]: CodeCheck took 457.86ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 38.6MB in the beginning and 112.0MB in the end (delta: -73.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:47:13,259 INFO L158 Benchmark]: Witness Printer took 81.47ms. Allocated memory is still 151.0MB. Free memory was 112.0MB in the beginning and 107.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:47:13,260 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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: 1570]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_postdec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_postdec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 930.31ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 61.8MB in the end (delta: 4.1MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.15ms. Allocated memory is still 92.3MB. Free memory was 61.8MB in the beginning and 59.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.80ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 57.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 336.71ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 39.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 457.86ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 38.6MB in the beginning and 112.0MB in the end (delta: -73.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 81.47ms. Allocated memory is still 151.0MB. Free memory was 112.0MB in the beginning and 107.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 00:47:13,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2b208-a502-4ff7-8a09-4125c186440a/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)