./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_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_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/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_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/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_6f32b661-71df-4f9b-a9e5-0370e07fed6a/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 b1931d5f118dbfaafe98b2f21abc5fff2e9353c5c0dd8960ae4e763a1a3c7568 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:37:31,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:37:31,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:37:31,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:37:31,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:37:31,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:37:31,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:37:31,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:37:31,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:37:31,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:37:31,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:37:31,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:37:31,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:37:31,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:37:31,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:37:31,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:37:31,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:37:31,913 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:37:31,913 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:37:31,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:37:31,913 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:37:31,913 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:37:31,913 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:37:31,914 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:37:31,914 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:37:31,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:37:31,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:37:31,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:37:31,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:37:31,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:37:31,914 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:37:31,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:37:31,914 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_6f32b661-71df-4f9b-a9e5-0370e07fed6a/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 -> b1931d5f118dbfaafe98b2f21abc5fff2e9353c5c0dd8960ae4e763a1a3c7568 [2024-12-05 23:37:32,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:37:32,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:37:32,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:37:32,158 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:37:32,158 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:37:32,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i [2024-12-05 23:37:34,807 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/data/4f6961e31/2e053f9175c94229b6520644cd83f20f/FLAG013b4c6a6 [2024-12-05 23:37:35,133 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:37:35,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i [2024-12-05 23:37:35,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/data/4f6961e31/2e053f9175c94229b6520644cd83f20f/FLAG013b4c6a6 [2024-12-05 23:37:35,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/data/4f6961e31/2e053f9175c94229b6520644cd83f20f [2024-12-05 23:37:35,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:37:35,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:37:35,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:37:35,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:37:35,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:37:35,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:37:35" (1/1) ... [2024-12-05 23:37:35,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3682fdb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:35, skipping insertion in model container [2024-12-05 23:37:35,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:37:35" (1/1) ... [2024-12-05 23:37:35,220 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:37:35,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:37:35,868 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:37:35,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:37:36,020 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:37:36,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:36 WrapperNode [2024-12-05 23:37:36,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:37:36,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:37:36,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:37:36,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:37:36,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:36" (1/1) ... [2024-12-05 23:37:36,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:36" (1/1) ... [2024-12-05 23:37:36,066 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2024-12-05 23:37:36,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:37:36,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:37:36,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:37:36,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:37:36,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:36" (1/1) ... [2024-12-05 23:37:36,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:36" (1/1) ... [2024-12-05 23:37:36,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:36" (1/1) ... [2024-12-05 23:37:36,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:36" (1/1) ... [2024-12-05 23:37:36,082 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:36" (1/1) ... [2024-12-05 23:37:36,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:36" (1/1) ... [2024-12-05 23:37:36,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:36" (1/1) ... [2024-12-05 23:37:36,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:36" (1/1) ... [2024-12-05 23:37:36,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:36" (1/1) ... [2024-12-05 23:37:36,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:37:36,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:37:36,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:37:36,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:37:36,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:36" (1/1) ... [2024-12-05 23:37:36,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:37:36,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:37:36,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:37:36,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:37:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:37:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:37:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:37:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:37:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:37:36,272 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:37:36,273 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:37:36,456 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-12-05 23:37:36,456 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:37:36,606 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:37:36,607 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:37:36,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:37:36 BoogieIcfgContainer [2024-12-05 23:37:36,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:37:36,607 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:37:36,608 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:37:36,614 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:37:36,615 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:37:36" (1/1) ... [2024-12-05 23:37:36,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:37:36,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:37:36,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 23:37:36,657 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 23:37:36,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:37:36,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:37:36,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:37:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:37:36,910 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:37:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:37:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:37:37,025 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:37:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:37:37,067 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:37:37,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:37:37 ImpRootNode [2024-12-05 23:37:37,092 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:37:37,092 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:37:37,092 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:37:37,093 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:37:37,093 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:37:36" (3/4) ... [2024-12-05 23:37:37,096 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:37:37,097 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:37:37,098 INFO L158 Benchmark]: Toolchain (without parser) took 1923.54ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 82.4MB in the end (delta: 30.6MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2024-12-05 23:37:37,099 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:37:37,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 844.54ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 53.6MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 23:37:37,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.96ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 112.3MB in the end (delta: -58.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-12-05 23:37:37,100 INFO L158 Benchmark]: Boogie Preprocessor took 23.21ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 110.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:37:37,101 INFO L158 Benchmark]: RCFGBuilder took 515.87ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 74.2MB in the end (delta: 36.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:37:37,101 INFO L158 Benchmark]: CodeCheck took 484.22ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 82.4MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:37:37,102 INFO L158 Benchmark]: Witness Printer took 5.01ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 82.4MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:37:37,104 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1558]: 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_31_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] int dataCopy = data; [L1555] int data = dataCopy; 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] [L1556] COND TRUE data < 0 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] [L1558] data * 2 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 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 844.54ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 53.6MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.96ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 112.3MB in the end (delta: -58.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.21ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 110.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 515.87ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 74.2MB in the end (delta: 36.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 484.22ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 82.4MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.01ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 82.4MB in the end (delta: 9.0kB). 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 23:37:37,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/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_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/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_6f32b661-71df-4f9b-a9e5-0370e07fed6a/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 b1931d5f118dbfaafe98b2f21abc5fff2e9353c5c0dd8960ae4e763a1a3c7568 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:37:39,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:37:39,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 23:37:39,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:37:39,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:37:39,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:37:39,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:37:39,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:37:39,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:37:39,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:37:39,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:37:39,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:37:39,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:37:39,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:37:39,213 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:37:39,213 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:37:39,213 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:37:39,213 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:37:39,213 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:37:39,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:37:39,213 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:37:39,213 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:37:39,213 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:37:39,214 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:37:39,214 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:37:39,214 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:37:39,214 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:37:39,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:37:39,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:37:39,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:37:39,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:37:39,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:37:39,214 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:37:39,214 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:37:39,215 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:37:39,215 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_6f32b661-71df-4f9b-a9e5-0370e07fed6a/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 -> b1931d5f118dbfaafe98b2f21abc5fff2e9353c5c0dd8960ae4e763a1a3c7568 [2024-12-05 23:37:39,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:37:39,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:37:39,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:37:39,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:37:39,473 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:37:39,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i [2024-12-05 23:37:42,263 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/data/9778a5fad/1b317264b1294d65ae54ed644b64b53f/FLAG95fd9a3ed [2024-12-05 23:37:42,560 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:37:42,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i [2024-12-05 23:37:42,584 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/data/9778a5fad/1b317264b1294d65ae54ed644b64b53f/FLAG95fd9a3ed [2024-12-05 23:37:42,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/data/9778a5fad/1b317264b1294d65ae54ed644b64b53f [2024-12-05 23:37:42,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:37:42,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:37:42,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:37:42,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:37:42,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:37:42,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:37:42" (1/1) ... [2024-12-05 23:37:42,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4405f073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:42, skipping insertion in model container [2024-12-05 23:37:42,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:37:42" (1/1) ... [2024-12-05 23:37:42,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:37:43,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:37:43,392 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:37:43,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:37:43,588 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:37:43,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:43 WrapperNode [2024-12-05 23:37:43,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:37:43,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:37:43,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:37:43,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:37:43,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:43" (1/1) ... [2024-12-05 23:37:43,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:43" (1/1) ... [2024-12-05 23:37:43,632 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-12-05 23:37:43,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:37:43,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:37:43,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:37:43,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:37:43,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:43" (1/1) ... [2024-12-05 23:37:43,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:43" (1/1) ... [2024-12-05 23:37:43,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:43" (1/1) ... [2024-12-05 23:37:43,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:43" (1/1) ... [2024-12-05 23:37:43,651 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:43" (1/1) ... [2024-12-05 23:37:43,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:43" (1/1) ... [2024-12-05 23:37:43,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:43" (1/1) ... [2024-12-05 23:37:43,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:43" (1/1) ... [2024-12-05 23:37:43,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:43" (1/1) ... [2024-12-05 23:37:43,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:37:43,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:37:43,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:37:43,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:37:43,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:37:43" (1/1) ... [2024-12-05 23:37:43,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:37:43,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:37:43,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:37:43,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:37:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:37:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:37:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:37:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:37:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:37:43,835 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:37:43,836 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:37:43,946 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-05 23:37:43,946 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:37:43,994 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:37:43,994 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:37:43,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:37:43 BoogieIcfgContainer [2024-12-05 23:37:43,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:37:43,996 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:37:43,996 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:37:44,003 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:37:44,003 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:37:43" (1/1) ... [2024-12-05 23:37:44,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:37:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:37:44,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 23:37:44,045 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 23:37:44,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:37:44,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:37:44,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:37:44,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:37:44,050 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:37:44,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:37:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:37:44,185 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:37:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:37:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:37:44,267 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:37:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:37:44,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-05 23:37:44,309 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:37:44,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:37:44 ImpRootNode [2024-12-05 23:37:44,334 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:37:44,334 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:37:44,334 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:37:44,335 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:37:44,335 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:37:43" (3/4) ... [2024-12-05 23:37:44,336 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:37:44,378 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-05 23:37:44,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:37:44,423 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:37:44,423 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:37:44,424 INFO L158 Benchmark]: Toolchain (without parser) took 1819.20ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 65.9MB in the beginning and 103.5MB in the end (delta: -37.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-12-05 23:37:44,424 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:37:44,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 982.46ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 62.7MB in the end (delta: 3.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-05 23:37:44,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.44ms. 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. [2024-12-05 23:37:44,425 INFO L158 Benchmark]: Boogie Preprocessor took 26.42ms. 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. [2024-12-05 23:37:44,425 INFO L158 Benchmark]: RCFGBuilder took 334.74ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 41.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:37:44,425 INFO L158 Benchmark]: CodeCheck took 338.14ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 41.5MB in the beginning and 108.1MB in the end (delta: -66.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-05 23:37:44,426 INFO L158 Benchmark]: Witness Printer took 88.51ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 103.5MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:37:44,427 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1558]: 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_31_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] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data * 2 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 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 982.46ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 62.7MB in the end (delta: 3.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.44ms. 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 26.42ms. 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 334.74ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 41.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 338.14ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 41.5MB in the beginning and 108.1MB in the end (delta: -66.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Witness Printer took 88.51ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 103.5MB 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 23:37:44,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f32b661-71df-4f9b-a9e5-0370e07fed6a/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)