./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_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_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/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_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/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_c26fd4da-dc84-4da7-b30a-484db6df9713/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 e8827376a636983099cbceca13535b7c5c48f141cdc60fcf039bdd74c8836f20 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:38:07,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:38:07,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:38:07,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:38:07,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:38:07,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:38:07,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:38:07,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:38:07,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:38:07,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:38:07,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:38:07,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:38:07,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:38:07,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:38:07,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:38:07,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:38:07,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:38:07,956 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:38:07,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:38:07,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:38:07,956 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:38:07,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:38:07,956 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:38:07,956 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:38:07,956 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:38:07,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:38:07,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:38:07,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:38:07,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:38:07,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:38:07,957 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:38:07,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:38:07,957 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_c26fd4da-dc84-4da7-b30a-484db6df9713/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 -> e8827376a636983099cbceca13535b7c5c48f141cdc60fcf039bdd74c8836f20 [2024-12-06 00:38:08,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:38:08,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:38:08,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:38:08,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:38:08,176 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:38:08,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i [2024-12-06 00:38:10,943 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/data/e9699527f/9123b89bf3ce40e19379a05c7d2048b4/FLAG35b07d0e0 [2024-12-06 00:38:11,253 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:38:11,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i [2024-12-06 00:38:11,272 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/data/e9699527f/9123b89bf3ce40e19379a05c7d2048b4/FLAG35b07d0e0 [2024-12-06 00:38:11,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/data/e9699527f/9123b89bf3ce40e19379a05c7d2048b4 [2024-12-06 00:38:11,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:38:11,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:38:11,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:38:11,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:38:11,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:38:11,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:38:11" (1/1) ... [2024-12-06 00:38:11,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c5af0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:11, skipping insertion in model container [2024-12-06 00:38:11,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:38:11" (1/1) ... [2024-12-06 00:38:11,562 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:38:12,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:38:12,179 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:38:12,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:38:12,356 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:38:12,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:12 WrapperNode [2024-12-06 00:38:12,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:38:12,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:38:12,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:38:12,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:38:12,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:12" (1/1) ... [2024-12-06 00:38:12,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:12" (1/1) ... [2024-12-06 00:38:12,407 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-12-06 00:38:12,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:38:12,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:38:12,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:38:12,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:38:12,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:12" (1/1) ... [2024-12-06 00:38:12,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:12" (1/1) ... [2024-12-06 00:38:12,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:12" (1/1) ... [2024-12-06 00:38:12,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:12" (1/1) ... [2024-12-06 00:38:12,420 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:12" (1/1) ... [2024-12-06 00:38:12,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:12" (1/1) ... [2024-12-06 00:38:12,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:12" (1/1) ... [2024-12-06 00:38:12,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:12" (1/1) ... [2024-12-06 00:38:12,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:12" (1/1) ... [2024-12-06 00:38:12,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:38:12,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:38:12,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:38:12,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:38:12,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:12" (1/1) ... [2024-12-06 00:38:12,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:38:12,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:38:12,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:38:12,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:38:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:38:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:38:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-12-06 00:38:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-12-06 00:38:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:38:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:38:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:38:12,565 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:38:12,567 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:38:12,750 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-06 00:38:12,750 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:38:12,939 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:38:12,939 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:38:12,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:38:12 BoogieIcfgContainer [2024-12-06 00:38:12,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:38:12,940 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:38:12,940 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:38:12,950 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:38:12,950 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:38:12" (1/1) ... [2024-12-06 00:38:12,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:38:12,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:13,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2024-12-06 00:38:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-12-06 00:38:13,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:38:13,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:13,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:38:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:38:13,240 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:38:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:38:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:38:13,425 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:38:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:38:13,476 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:38:13,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:38:13 ImpRootNode [2024-12-06 00:38:13,502 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:38:13,502 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:38:13,502 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:38:13,503 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:38:13,503 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:38:12" (3/4) ... [2024-12-06 00:38:13,505 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:38:13,506 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:38:13,507 INFO L158 Benchmark]: Toolchain (without parser) took 1984.85ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 85.0MB in the end (delta: 29.2MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2024-12-06 00:38:13,507 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:38:13,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 834.82ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 55.3MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 00:38:13,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.87ms. Allocated memory is still 142.6MB. Free memory was 55.3MB in the beginning and 114.1MB in the end (delta: -58.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-12-06 00:38:13,509 INFO L158 Benchmark]: Boogie Preprocessor took 16.65ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 112.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:38:13,509 INFO L158 Benchmark]: RCFGBuilder took 514.80ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 71.1MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 00:38:13,510 INFO L158 Benchmark]: CodeCheck took 561.45ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 85.0MB in the end (delta: -13.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:38:13,510 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 85.0MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:38:13,512 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, 21 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, 16 NumberOfCodeBlocks, 16 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_11_bad() [L1550] int data; [L1551] 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] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() 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] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() 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 globalReturnsTrue() [L1558] 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] [L1560] 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 834.82ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 55.3MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.87ms. Allocated memory is still 142.6MB. Free memory was 55.3MB in the beginning and 114.1MB in the end (delta: -58.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.65ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 112.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 514.80ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 71.1MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 561.45ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 85.0MB in the end (delta: -13.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 85.0MB 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 [2024-12-06 00:38:13,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/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_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/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_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/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_c26fd4da-dc84-4da7-b30a-484db6df9713/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 e8827376a636983099cbceca13535b7c5c48f141cdc60fcf039bdd74c8836f20 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:38:15,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:38:15,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:38:15,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:38:15,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:38:15,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:38:15,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:38:15,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:38:15,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:38:15,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:38:15,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:38:15,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:38:15,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:38:15,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:38:15,572 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:38:15,572 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:38:15,572 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:38:15,572 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:38:15,572 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:38:15,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:38:15,572 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:38:15,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:38:15,573 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:38:15,573 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:38:15,573 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:38:15,573 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:15,573 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:38:15,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:38:15,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:38:15,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:38:15,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:38:15,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:38:15,574 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:38:15,574 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:15,574 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:38:15,574 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_c26fd4da-dc84-4da7-b30a-484db6df9713/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 -> e8827376a636983099cbceca13535b7c5c48f141cdc60fcf039bdd74c8836f20 [2024-12-06 00:38:15,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:38:15,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:38:15,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:38:15,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:38:15,816 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:38:15,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i [2024-12-06 00:38:18,589 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/data/1f30457f7/42fec32ec78d461dbc3107a2beb454cc/FLAGa7b7ac582 [2024-12-06 00:38:18,861 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:38:18,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i [2024-12-06 00:38:18,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/data/1f30457f7/42fec32ec78d461dbc3107a2beb454cc/FLAGa7b7ac582 [2024-12-06 00:38:18,892 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/data/1f30457f7/42fec32ec78d461dbc3107a2beb454cc [2024-12-06 00:38:18,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:38:18,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:38:18,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:38:18,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:38:18,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:38:18,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:38:18" (1/1) ... [2024-12-06 00:38:18,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb24eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:18, skipping insertion in model container [2024-12-06 00:38:18,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:38:18" (1/1) ... [2024-12-06 00:38:18,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:38:19,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:38:19,527 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:38:19,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:38:19,740 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:38:19,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:19 WrapperNode [2024-12-06 00:38:19,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:38:19,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:38:19,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:38:19,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:38:19,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:19" (1/1) ... [2024-12-06 00:38:19,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:19" (1/1) ... [2024-12-06 00:38:19,782 INFO L138 Inliner]: procedures = 502, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-12-06 00:38:19,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:38:19,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:38:19,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:38:19,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:38:19,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:19" (1/1) ... [2024-12-06 00:38:19,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:19" (1/1) ... [2024-12-06 00:38:19,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:19" (1/1) ... [2024-12-06 00:38:19,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:19" (1/1) ... [2024-12-06 00:38:19,798 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:19" (1/1) ... [2024-12-06 00:38:19,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:19" (1/1) ... [2024-12-06 00:38:19,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:19" (1/1) ... [2024-12-06 00:38:19,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:19" (1/1) ... [2024-12-06 00:38:19,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:19" (1/1) ... [2024-12-06 00:38:19,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:38:19,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:38:19,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:38:19,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:38:19,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:19" (1/1) ... [2024-12-06 00:38:19,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:38:19,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:38:19,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:38:19,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:38:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:38:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:38:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-12-06 00:38:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-12-06 00:38:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:38:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:38:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:38:19,967 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:38:19,968 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:38:20,077 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 00:38:20,077 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:38:20,124 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:38:20,125 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:38:20,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:38:20 BoogieIcfgContainer [2024-12-06 00:38:20,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:38:20,126 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:38:20,126 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:38:20,133 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:38:20,133 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:38:20" (1/1) ... [2024-12-06 00:38:20,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:38:20,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:20,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-12-06 00:38:20,174 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-12-06 00:38:20,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:38:20,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:20,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:20,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:20,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:20,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:38:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:38:20,334 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:38:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:38:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:38:20,448 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:38:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:38:20,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:38:20,489 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:38:20,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:38:20 ImpRootNode [2024-12-06 00:38:20,516 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:38:20,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:38:20,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:38:20,517 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:38:20,518 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:38:20" (3/4) ... [2024-12-06 00:38:20,518 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:38:20,568 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 12. [2024-12-06 00:38:20,618 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:38:20,618 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:38:20,618 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:38:20,619 INFO L158 Benchmark]: Toolchain (without parser) took 1723.21ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 51.2MB in the end (delta: 15.5MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-06 00:38:20,620 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 00:38:20,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 844.14ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 63.7MB in the end (delta: 2.8MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-12-06 00:38:20,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.72ms. Allocated memory is still 92.3MB. Free memory was 63.7MB in the beginning and 61.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:38:20,621 INFO L158 Benchmark]: Boogie Preprocessor took 24.04ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 59.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:38:20,621 INFO L158 Benchmark]: RCFGBuilder took 317.83ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 42.2MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:38:20,621 INFO L158 Benchmark]: CodeCheck took 390.41ms. Allocated memory is still 92.3MB. Free memory was 42.2MB in the beginning and 56.4MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:38:20,622 INFO L158 Benchmark]: Witness Printer took 101.46ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 51.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:38:20,624 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: 0.3s, 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, 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 - CounterExampleResult [Line: 1560]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_11_bad() [L1550] int data; [L1551] 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] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() 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] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() 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 globalReturnsTrue() [L1558] 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] [L1560] 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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 844.14ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 63.7MB in the end (delta: 2.8MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.72ms. Allocated memory is still 92.3MB. Free memory was 63.7MB in the beginning and 61.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.04ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 59.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.83ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 42.2MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 390.41ms. Allocated memory is still 92.3MB. Free memory was 42.2MB in the beginning and 56.4MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 101.46ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 51.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 00:38:20,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26fd4da-dc84-4da7-b30a-484db6df9713/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)