./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_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_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/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_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/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_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/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 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:26:35,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:26:35,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:26:35,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:26:35,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:26:35,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:26:35,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:26:35,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:26:35,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:26:35,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:26:35,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:26:35,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:26:35,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:26:35,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:26:35,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:26:35,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:26:35,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:26:35,667 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:26:35,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:26:35,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:26:35,667 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:26:35,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:26:35,667 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:26:35,667 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:26:35,667 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:26:35,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:26:35,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:26:35,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:26:35,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:26:35,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:26:35,668 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:26:35,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:26:35,668 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_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/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 -> 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c [2024-12-05 23:26:35,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:26:35,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:26:35,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:26:35,909 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:26:35,909 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:26:35,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i [2024-12-05 23:26:38,702 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/data/f5b66c64a/ff019379182b4d9ebd662f54af06c415/FLAG4984a557e [2024-12-05 23:26:38,986 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:26:38,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i [2024-12-05 23:26:39,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/data/f5b66c64a/ff019379182b4d9ebd662f54af06c415/FLAG4984a557e [2024-12-05 23:26:39,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/data/f5b66c64a/ff019379182b4d9ebd662f54af06c415 [2024-12-05 23:26:39,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:26:39,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:26:39,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:26:39,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:26:39,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:26:39,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:26:39" (1/1) ... [2024-12-05 23:26:39,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d50db3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39, skipping insertion in model container [2024-12-05 23:26:39,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:26:39" (1/1) ... [2024-12-05 23:26:39,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:26:39,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:26:39,711 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:26:39,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:26:39,878 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:26:39,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39 WrapperNode [2024-12-05 23:26:39,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:26:39,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:26:39,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:26:39,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:26:39,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39" (1/1) ... [2024-12-05 23:26:39,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39" (1/1) ... [2024-12-05 23:26:39,919 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2024-12-05 23:26:39,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:26:39,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:26:39,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:26:39,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:26:39,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39" (1/1) ... [2024-12-05 23:26:39,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39" (1/1) ... [2024-12-05 23:26:39,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39" (1/1) ... [2024-12-05 23:26:39,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39" (1/1) ... [2024-12-05 23:26:39,935 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39" (1/1) ... [2024-12-05 23:26:39,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39" (1/1) ... [2024-12-05 23:26:39,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39" (1/1) ... [2024-12-05 23:26:39,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39" (1/1) ... [2024-12-05 23:26:39,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39" (1/1) ... [2024-12-05 23:26:39,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:26:39,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:26:39,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:26:39,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:26:39,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39" (1/1) ... [2024-12-05 23:26:39,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:26:39,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:26:39,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:26:39,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:26:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:26:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:26:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:26:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:26:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:26:40,111 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:26:40,113 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:26:40,280 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-05 23:26:40,280 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:26:40,427 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:26:40,428 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:26:40,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:26:40 BoogieIcfgContainer [2024-12-05 23:26:40,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:26:40,429 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:26:40,429 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:26:40,436 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:26:40,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:26:40" (1/1) ... [2024-12-05 23:26:40,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:26:40,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:26:40,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 23:26:40,480 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 23:26:40,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:26:40,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:26:40,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:26:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:26:40,701 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:26:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:26:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:26:40,818 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:26:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:26:40,853 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:26:40,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:26:40 ImpRootNode [2024-12-05 23:26:40,876 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:26:40,877 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:26:40,877 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:26:40,877 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:26:40,878 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:26:40" (3/4) ... [2024-12-05 23:26:40,879 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:26:40,880 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:26:40,881 INFO L158 Benchmark]: Toolchain (without parser) took 1857.70ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 60.4MB in the end (delta: 28.6MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-12-05 23:26:40,881 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:26:40,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 855.20ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 80.7MB in the end (delta: 8.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-12-05 23:26:40,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.07ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:26:40,882 INFO L158 Benchmark]: Boogie Preprocessor took 22.95ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:26:40,883 INFO L158 Benchmark]: RCFGBuilder took 483.95ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 40.3MB in the end (delta: 36.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:26:40,883 INFO L158 Benchmark]: CodeCheck took 447.85ms. Allocated memory is still 117.4MB. Free memory was 40.3MB in the beginning and 61.2MB in the end (delta: -20.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:26:40,883 INFO L158 Benchmark]: Witness Printer took 3.01ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 60.4MB in the end (delta: 752.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:26:40,886 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 - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1552. 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_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] data - 1 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 was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 855.20ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 80.7MB in the end (delta: 8.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.07ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.95ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 483.95ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 40.3MB in the end (delta: 36.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 447.85ms. Allocated memory is still 117.4MB. Free memory was 40.3MB in the beginning and 61.2MB in the end (delta: -20.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.01ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 60.4MB in the end (delta: 752.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:26:40,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/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_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/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_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/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_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/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 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:26:42,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:26:42,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 23:26:42,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:26:42,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:26:42,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:26:42,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:26:42,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:26:42,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:26:42,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:26:42,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:26:42,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:26:42,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:26:42,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:26:42,944 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:26:42,944 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:26:42,944 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:26:42,945 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:26:42,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:26:42,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:26:42,945 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:26:42,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:26:42,945 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:26:42,945 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:26:42,945 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:26:42,945 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:26:42,945 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:26:42,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:26:42,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:26:42,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:26:42,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:26:42,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:26:42,946 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:26:42,946 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:26:42,946 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:26:42,946 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_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/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 -> 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c [2024-12-05 23:26:43,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:26:43,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:26:43,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:26:43,173 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:26:43,173 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:26:43,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i [2024-12-05 23:26:45,814 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/data/2d016cd3b/1047aad2265e4294a4a8389c721836a5/FLAG55021f99e [2024-12-05 23:26:46,136 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:26:46,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i [2024-12-05 23:26:46,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/data/2d016cd3b/1047aad2265e4294a4a8389c721836a5/FLAG55021f99e [2024-12-05 23:26:46,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/data/2d016cd3b/1047aad2265e4294a4a8389c721836a5 [2024-12-05 23:26:46,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:26:46,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:26:46,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:26:46,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:26:46,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:26:46,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:26:46" (1/1) ... [2024-12-05 23:26:46,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4518df15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:46, skipping insertion in model container [2024-12-05 23:26:46,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:26:46" (1/1) ... [2024-12-05 23:26:46,440 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:26:47,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:26:47,078 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:26:47,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:26:47,269 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:26:47,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:47 WrapperNode [2024-12-05 23:26:47,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:26:47,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:26:47,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:26:47,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:26:47,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:47" (1/1) ... [2024-12-05 23:26:47,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:47" (1/1) ... [2024-12-05 23:26:47,314 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-12-05 23:26:47,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:26:47,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:26:47,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:26:47,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:26:47,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:47" (1/1) ... [2024-12-05 23:26:47,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:47" (1/1) ... [2024-12-05 23:26:47,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:47" (1/1) ... [2024-12-05 23:26:47,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:47" (1/1) ... [2024-12-05 23:26:47,332 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:47" (1/1) ... [2024-12-05 23:26:47,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:47" (1/1) ... [2024-12-05 23:26:47,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:47" (1/1) ... [2024-12-05 23:26:47,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:47" (1/1) ... [2024-12-05 23:26:47,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:47" (1/1) ... [2024-12-05 23:26:47,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:26:47,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:26:47,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:26:47,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:26:47,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:47" (1/1) ... [2024-12-05 23:26:47,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:26:47,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:26:47,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:26:47,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:26:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:26:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:26:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:26:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:26:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:26:47,527 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:26:47,529 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:26:47,630 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-05 23:26:47,630 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:26:47,682 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:26:47,682 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:26:47,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:26:47 BoogieIcfgContainer [2024-12-05 23:26:47,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:26:47,683 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:26:47,683 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:26:47,694 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:26:47,694 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:26:47" (1/1) ... [2024-12-05 23:26:47,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:26:47,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:26:47,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 23:26:47,748 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 23:26:47,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:26:47,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:26:47,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:26:47,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:26:47,754 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:26:47,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:26:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:26:47,895 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:26:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:26:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:26:47,971 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:26:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:26:48,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:26:48,008 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:26:48,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:26:48 ImpRootNode [2024-12-05 23:26:48,028 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:26:48,029 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:26:48,029 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:26:48,029 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:26:48,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:26:47" (3/4) ... [2024-12-05 23:26:48,030 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:26:48,061 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-12-05 23:26:48,093 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:26:48,094 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:26:48,094 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:26:48,094 INFO L158 Benchmark]: Toolchain (without parser) took 1698.89ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 54.0MB in the end (delta: 12.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-05 23:26:48,095 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:26:48,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 873.79ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 63.3MB in the end (delta: 3.5MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-12-05 23:26:48,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.21ms. Allocated memory is still 92.3MB. Free memory was 63.3MB in the beginning and 60.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:26:48,096 INFO L158 Benchmark]: Boogie Preprocessor took 23.58ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 58.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:26:48,096 INFO L158 Benchmark]: RCFGBuilder took 343.59ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 42.1MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:26:48,096 INFO L158 Benchmark]: CodeCheck took 345.09ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 58.6MB in the end (delta: -16.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-12-05 23:26:48,098 INFO L158 Benchmark]: Witness Printer took 65.20ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 54.0MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:26:48,100 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: 0.3s, 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: 1554]: 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_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] data - 1 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 0.24ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 873.79ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 63.3MB in the end (delta: 3.5MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.21ms. Allocated memory is still 92.3MB. Free memory was 63.3MB in the beginning and 60.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.58ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 58.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 343.59ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 42.1MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 345.09ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 58.6MB in the end (delta: -16.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Witness Printer took 65.20ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 54.0MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:26:48,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98a296-f0c5-48f2-b370-e76fd3b7ac5d/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)