./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_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_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/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_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/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_06749d35-8ebc-4202-9b2f-b7b374e370cf/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 7a16c33033d4262e1c6f61b3356aece15a1c700f0980b728c290e851ae7b2150 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:48:21,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:48:21,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:48:21,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:48:21,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:48:21,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:48:21,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:48:21,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:48:21,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:48:21,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:48:21,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:48:21,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:48:21,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:48:21,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:48:21,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:48:21,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:48:21,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:48:21,756 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:48:21,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:48:21,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:48:21,756 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:48:21,756 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:48:21,756 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:48:21,756 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:48:21,756 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:48:21,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:48:21,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:48:21,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:48:21,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:48:21,757 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:48:21,757 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:48:21,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:48:21,757 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_06749d35-8ebc-4202-9b2f-b7b374e370cf/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 -> 7a16c33033d4262e1c6f61b3356aece15a1c700f0980b728c290e851ae7b2150 [2024-12-06 01:48:21,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:48:22,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:48:22,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:48:22,008 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:48:22,008 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:48:22,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i [2024-12-06 01:48:22,483 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/data/a9d173fc7/a71886a8a9d447a99e7d32a4f95b61a7/FLAGf4fd1069e [2024-12-06 01:48:27,104 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:48:27,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i [2024-12-06 01:48:27,122 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/data/a9d173fc7/a71886a8a9d447a99e7d32a4f95b61a7/FLAGf4fd1069e [2024-12-06 01:48:27,136 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/data/a9d173fc7/a71886a8a9d447a99e7d32a4f95b61a7 [2024-12-06 01:48:27,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:48:27,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:48:27,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:48:27,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:48:27,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:48:27,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:48:27" (1/1) ... [2024-12-06 01:48:27,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505dea9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:27, skipping insertion in model container [2024-12-06 01:48:27,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:48:27" (1/1) ... [2024-12-06 01:48:27,176 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:48:27,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:48:27,771 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:48:27,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:48:27,962 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:48:27,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:27 WrapperNode [2024-12-06 01:48:27,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:48:27,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:48:27,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:48:27,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:48:27,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:27" (1/1) ... [2024-12-06 01:48:27,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:27" (1/1) ... [2024-12-06 01:48:28,018 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-12-06 01:48:28,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:48:28,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:48:28,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:48:28,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:48:28,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:27" (1/1) ... [2024-12-06 01:48:28,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:27" (1/1) ... [2024-12-06 01:48:28,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:27" (1/1) ... [2024-12-06 01:48:28,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:27" (1/1) ... [2024-12-06 01:48:28,033 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:27" (1/1) ... [2024-12-06 01:48:28,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:27" (1/1) ... [2024-12-06 01:48:28,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:27" (1/1) ... [2024-12-06 01:48:28,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:27" (1/1) ... [2024-12-06 01:48:28,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:27" (1/1) ... [2024-12-06 01:48:28,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:48:28,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:48:28,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:48:28,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:48:28,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:27" (1/1) ... [2024-12-06 01:48:28,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:48:28,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:48:28,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:48:28,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:48:28,097 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:48:28,098 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:48:28,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:48:28,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:48:28,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:48:28,098 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-12-06 01:48:28,098 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-12-06 01:48:28,208 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:48:28,210 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:48:28,395 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-12-06 01:48:28,395 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:48:28,568 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:48:28,569 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:48:28,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:28 BoogieIcfgContainer [2024-12-06 01:48:28,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:48:28,570 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:48:28,570 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:48:28,580 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:48:28,580 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:28" (1/1) ... [2024-12-06 01:48:28,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:48:28,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:28,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-12-06 01:48:28,635 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-12-06 01:48:28,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:48:28,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:28,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:48:28,892 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:48:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:48:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:48:29,011 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:48:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:48:29,054 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:48:29,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:48:29 ImpRootNode [2024-12-06 01:48:29,076 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:48:29,077 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:48:29,077 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:48:29,077 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:48:29,078 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:28" (3/4) ... [2024-12-06 01:48:29,080 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:48:29,080 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:48:29,081 INFO L158 Benchmark]: Toolchain (without parser) took 1942.57ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 83.6MB in the end (delta: 29.5MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-12-06 01:48:29,082 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:29,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 823.84ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 53.7MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 01:48:29,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.14ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 112.4MB in the end (delta: -58.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-06 01:48:29,083 INFO L158 Benchmark]: Boogie Preprocessor took 21.98ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 111.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:29,083 INFO L158 Benchmark]: RCFGBuilder took 527.61ms. Allocated memory is still 142.6MB. Free memory was 111.1MB in the beginning and 69.5MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:48:29,084 INFO L158 Benchmark]: CodeCheck took 506.66ms. Allocated memory is still 142.6MB. Free memory was 69.5MB in the beginning and 84.4MB in the end (delta: -14.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:29,084 INFO L158 Benchmark]: Witness Printer took 3.37ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 83.6MB in the end (delta: 746.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:29,086 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 20 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, 15 NumberOfCodeBlocks, 15 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1562. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_rand_predec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] --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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 823.84ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 53.7MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.14ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 112.4MB in the end (delta: -58.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.98ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 111.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.61ms. Allocated memory is still 142.6MB. Free memory was 111.1MB in the beginning and 69.5MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 506.66ms. Allocated memory is still 142.6MB. Free memory was 69.5MB in the beginning and 84.4MB in the end (delta: -14.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.37ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 83.6MB in the end (delta: 746.3kB). 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 01:48:29,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/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_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/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_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/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_06749d35-8ebc-4202-9b2f-b7b374e370cf/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 7a16c33033d4262e1c6f61b3356aece15a1c700f0980b728c290e851ae7b2150 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:48:31,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:48:31,143 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:48:31,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:48:31,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:48:31,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:48:31,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:48:31,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:48:31,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:48:31,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:48:31,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:48:31,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:48:31,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:48:31,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:48:31,169 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:48:31,170 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:48:31,170 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:48:31,170 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:48:31,170 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:48:31,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:48:31,170 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:48:31,170 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:48:31,170 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:48:31,170 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:48:31,171 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:48:31,171 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:31,171 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:48:31,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:48:31,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:48:31,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:48:31,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:48:31,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:48:31,171 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:48:31,171 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:31,172 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:48:31,172 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_06749d35-8ebc-4202-9b2f-b7b374e370cf/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 -> 7a16c33033d4262e1c6f61b3356aece15a1c700f0980b728c290e851ae7b2150 [2024-12-06 01:48:31,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:48:31,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:48:31,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:48:31,402 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:48:31,403 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:48:31,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i [2024-12-06 01:48:34,089 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/data/f739f5140/85114c81ec214bf18d5f9c851ef47e3e/FLAG5cf3171c7 [2024-12-06 01:48:34,372 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:48:34,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i [2024-12-06 01:48:34,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/data/f739f5140/85114c81ec214bf18d5f9c851ef47e3e/FLAG5cf3171c7 [2024-12-06 01:48:34,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/data/f739f5140/85114c81ec214bf18d5f9c851ef47e3e [2024-12-06 01:48:34,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:48:34,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:48:34,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:48:34,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:48:34,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:48:34,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:48:34" (1/1) ... [2024-12-06 01:48:34,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ccffec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:34, skipping insertion in model container [2024-12-06 01:48:34,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:48:34" (1/1) ... [2024-12-06 01:48:34,447 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:48:35,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:48:35,096 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:48:35,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:48:35,295 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:48:35,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:35 WrapperNode [2024-12-06 01:48:35,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:48:35,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:48:35,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:48:35,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:48:35,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,339 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-12-06 01:48:35,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:48:35,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:48:35,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:48:35,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:48:35,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,358 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:48:35,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:48:35,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:48:35,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:48:35,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:48:35,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:48:35,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:48:35,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:48:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:48:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:48:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:48:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:48:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:48:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-12-06 01:48:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-12-06 01:48:35,551 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:48:35,552 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:48:35,662 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 01:48:35,662 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:48:35,712 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:48:35,713 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:48:35,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:35 BoogieIcfgContainer [2024-12-06 01:48:35,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:48:35,714 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:48:35,714 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:48:35,722 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:48:35,722 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:48:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:35,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-12-06 01:48:35,764 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-12-06 01:48:35,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:48:35,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:35,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:35,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:48:35,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:48:35,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:48:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:48:35,919 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:48:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:48:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:48:36,038 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:48:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:48:36,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:48:36,077 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:48:36,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:48:36 ImpRootNode [2024-12-06 01:48:36,103 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:48:36,103 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:48:36,104 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:48:36,104 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:48:36,104 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:35" (3/4) ... [2024-12-06 01:48:36,105 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:48:36,148 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 11. [2024-12-06 01:48:36,193 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:48:36,193 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:48:36,193 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:48:36,194 INFO L158 Benchmark]: Toolchain (without parser) took 1786.55ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 50.4MB in the end (delta: 16.0MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-06 01:48:36,194 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:36,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 887.63ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 62.7MB in the end (delta: 3.6MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-06 01:48:36,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.79ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 60.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:36,195 INFO L158 Benchmark]: Boogie Preprocessor took 26.21ms. Allocated memory is still 92.3MB. Free memory was 60.0MB in the beginning and 58.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:36,196 INFO L158 Benchmark]: RCFGBuilder took 346.51ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 41.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:48:36,196 INFO L158 Benchmark]: CodeCheck took 388.83ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 55.5MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:36,196 INFO L158 Benchmark]: Witness Printer took 89.78ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 50.4MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:48:36,198 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 19 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, 14 NumberOfCodeBlocks, 14 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: 1567]: 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_rand_predec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] --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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 887.63ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 62.7MB in the end (delta: 3.6MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.79ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 60.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.21ms. Allocated memory is still 92.3MB. Free memory was 60.0MB in the beginning and 58.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 346.51ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 41.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 388.83ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 55.5MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.78ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 50.4MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:48:36,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06749d35-8ebc-4202-9b2f-b7b374e370cf/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)