./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_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_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3 --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 de4c2e9d6c651b352ccc3e126521815b2746352a0e529dc3f24dfbfca0a7e77c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:09:54,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:09:54,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:09:54,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:09:54,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:09:54,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:09:54,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:09:54,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:09:54,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:09:54,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:09:54,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:09:54,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:09:54,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:09:54,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:09:54,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:09:54,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:09:54,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:09:54,645 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:09:54,645 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:09:54,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:09:54,645 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:09:54,645 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:09:54,646 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:09:54,646 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:09:54,646 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:09:54,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:09:54,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:09:54,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:09:54,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:09:54,647 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:09:54,647 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:09:54,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:09:54,647 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_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3 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 -> de4c2e9d6c651b352ccc3e126521815b2746352a0e529dc3f24dfbfca0a7e77c [2024-11-24 18:09:55,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:09:55,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:09:55,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:09:55,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:09:55,060 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:09:55,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i [2024-11-24 18:09:58,451 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/data/19cb2f373/ba3c3c2135db41c7a56bae1712253044/FLAG663296e0f [2024-11-24 18:09:58,969 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:09:58,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i [2024-11-24 18:09:59,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/data/19cb2f373/ba3c3c2135db41c7a56bae1712253044/FLAG663296e0f [2024-11-24 18:09:59,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/data/19cb2f373/ba3c3c2135db41c7a56bae1712253044 [2024-11-24 18:09:59,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:09:59,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:09:59,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:09:59,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:09:59,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:09:59,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:09:59" (1/1) ... [2024-11-24 18:09:59,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b445953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:59, skipping insertion in model container [2024-11-24 18:09:59,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:09:59" (1/1) ... [2024-11-24 18:09:59,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:10:00,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:10:00,228 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:10:00,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:10:00,531 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:10:00,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:00 WrapperNode [2024-11-24 18:10:00,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:10:00,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:10:00,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:10:00,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:10:00,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:00" (1/1) ... [2024-11-24 18:10:00,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:00" (1/1) ... [2024-11-24 18:10:00,628 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2024-11-24 18:10:00,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:10:00,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:10:00,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:10:00,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:10:00,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:00" (1/1) ... [2024-11-24 18:10:00,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:00" (1/1) ... [2024-11-24 18:10:00,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:00" (1/1) ... [2024-11-24 18:10:00,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:00" (1/1) ... [2024-11-24 18:10:00,658 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:00" (1/1) ... [2024-11-24 18:10:00,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:00" (1/1) ... [2024-11-24 18:10:00,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:00" (1/1) ... [2024-11-24 18:10:00,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:00" (1/1) ... [2024-11-24 18:10:00,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:00" (1/1) ... [2024-11-24 18:10:00,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:10:00,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:10:00,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:10:00,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:10:00,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:00" (1/1) ... [2024-11-24 18:10:00,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:10:00,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:10:00,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:10:00,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:10:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:10:00,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:10:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:10:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:10:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:10:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:10:00,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:10:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:10:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:10:00,953 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:10:00,955 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:10:01,248 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-24 18:10:01,249 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:10:01,487 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:10:01,487 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:10:01,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:10:01 BoogieIcfgContainer [2024-11-24 18:10:01,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:10:01,489 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:10:01,489 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:10:01,502 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:10:01,503 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:10:01" (1/1) ... [2024-11-24 18:10:01,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:10:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:01,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-24 18:10:01,577 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-24 18:10:01,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:10:01,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:01,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:10:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:10:02,105 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:10:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:10:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:10:02,530 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:10:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:10:02,607 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:10:02,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:10:02 ImpRootNode [2024-11-24 18:10:02,653 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:10:02,654 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:10:02,654 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:10:02,654 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:10:02,655 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:10:01" (3/4) ... [2024-11-24 18:10:02,660 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:10:02,662 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:10:02,663 INFO L158 Benchmark]: Toolchain (without parser) took 3632.28ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 86.7MB in the end (delta: 15.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-24 18:10:02,666 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:10:02,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1500.55ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 41.8MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-24 18:10:02,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.34ms. Allocated memory is still 142.6MB. Free memory was 41.8MB in the beginning and 39.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:10:02,668 INFO L158 Benchmark]: Boogie Preprocessor took 49.44ms. Allocated memory is still 142.6MB. Free memory was 39.0MB in the beginning and 37.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:10:02,669 INFO L158 Benchmark]: RCFGBuilder took 808.24ms. Allocated memory is still 142.6MB. Free memory was 37.6MB in the beginning and 66.9MB in the end (delta: -29.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-11-24 18:10:02,672 INFO L158 Benchmark]: CodeCheck took 1164.03ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 87.5MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:10:02,672 INFO L158 Benchmark]: Witness Printer took 8.50ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 86.7MB in the end (delta: 799.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:10:02,678 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: 1.1s, 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, 0.1s 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: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1558. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_multiply_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_multiply_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1572] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] 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 0.81ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1500.55ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 41.8MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.34ms. Allocated memory is still 142.6MB. Free memory was 41.8MB in the beginning and 39.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.44ms. Allocated memory is still 142.6MB. Free memory was 39.0MB in the beginning and 37.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 808.24ms. Allocated memory is still 142.6MB. Free memory was 37.6MB in the beginning and 66.9MB in the end (delta: -29.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * CodeCheck took 1164.03ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 87.5MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.50ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 86.7MB in the end (delta: 799.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:10:02,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/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_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3 --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 de4c2e9d6c651b352ccc3e126521815b2746352a0e529dc3f24dfbfca0a7e77c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:10:05,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:10:06,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:10:06,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:10:06,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:10:06,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:10:06,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:10:06,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:10:06,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:10:06,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:10:06,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:10:06,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:10:06,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:10:06,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:10:06,189 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:10:06,189 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:10:06,189 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:10:06,190 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:10:06,190 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:10:06,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:10:06,190 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:10:06,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:10:06,190 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:10:06,190 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:10:06,191 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:10:06,191 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:06,191 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:10:06,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:10:06,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:10:06,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:10:06,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:10:06,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:10:06,192 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:10:06,192 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:06,192 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:10:06,192 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_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3 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 -> de4c2e9d6c651b352ccc3e126521815b2746352a0e529dc3f24dfbfca0a7e77c [2024-11-24 18:10:06,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:10:06,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:10:06,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:10:06,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:10:06,638 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:10:06,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i [2024-11-24 18:10:10,198 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/data/760a28070/5ae5a8a16d2c4804bac2349900bba8fe/FLAG252707113 [2024-11-24 18:10:10,743 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:10:10,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i [2024-11-24 18:10:10,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/data/760a28070/5ae5a8a16d2c4804bac2349900bba8fe/FLAG252707113 [2024-11-24 18:10:10,792 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/data/760a28070/5ae5a8a16d2c4804bac2349900bba8fe [2024-11-24 18:10:10,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:10:10,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:10:10,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:10:10,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:10:10,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:10:10,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:10:10" (1/1) ... [2024-11-24 18:10:10,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2619a147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:10, skipping insertion in model container [2024-11-24 18:10:10,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:10:10" (1/1) ... [2024-11-24 18:10:10,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:10:11,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:10:12,001 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:10:12,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:10:12,421 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:10:12,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:12 WrapperNode [2024-11-24 18:10:12,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:10:12,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:10:12,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:10:12,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:10:12,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:12" (1/1) ... [2024-11-24 18:10:12,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:12" (1/1) ... [2024-11-24 18:10:12,485 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-11-24 18:10:12,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:10:12,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:10:12,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:10:12,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:10:12,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:12" (1/1) ... [2024-11-24 18:10:12,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:12" (1/1) ... [2024-11-24 18:10:12,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:12" (1/1) ... [2024-11-24 18:10:12,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:12" (1/1) ... [2024-11-24 18:10:12,512 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:12" (1/1) ... [2024-11-24 18:10:12,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:12" (1/1) ... [2024-11-24 18:10:12,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:12" (1/1) ... [2024-11-24 18:10:12,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:12" (1/1) ... [2024-11-24 18:10:12,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:12" (1/1) ... [2024-11-24 18:10:12,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:10:12,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:10:12,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:10:12,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:10:12,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:12" (1/1) ... [2024-11-24 18:10:12,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:10:12,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:10:12,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:10:12,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:10:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:10:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:10:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:10:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:10:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:10:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:10:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-24 18:10:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:10:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-24 18:10:12,909 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:10:12,911 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:10:13,224 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-24 18:10:13,224 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:10:13,335 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:10:13,335 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:10:13,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:10:13 BoogieIcfgContainer [2024-11-24 18:10:13,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:10:13,338 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:10:13,338 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:10:13,350 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:10:13,351 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:10:13" (1/1) ... [2024-11-24 18:10:13,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:10:13,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:13,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-24 18:10:13,430 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-24 18:10:13,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:10:13,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:13,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:13,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:13,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:13,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:10:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:10:13,832 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:10:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:10:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:10:14,200 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:10:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:10:14,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:10:14,364 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:10:14,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:10:14 ImpRootNode [2024-11-24 18:10:14,404 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:10:14,405 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:10:14,405 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:10:14,405 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:10:14,406 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:10:13" (3/4) ... [2024-11-24 18:10:14,407 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 18:10:14,453 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-24 18:10:14,508 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:10:14,508 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:10:14,508 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:10:14,510 INFO L158 Benchmark]: Toolchain (without parser) took 3712.55ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 30.3MB in the end (delta: 26.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-24 18:10:14,510 INFO L158 Benchmark]: CDTParser took 4.07ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:10:14,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1623.86ms. Allocated memory is still 83.9MB. Free memory was 56.4MB in the beginning and 52.5MB in the end (delta: 3.9MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-24 18:10:14,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.71ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 49.3MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:10:14,511 INFO L158 Benchmark]: Boogie Preprocessor took 36.36ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:10:14,512 INFO L158 Benchmark]: RCFGBuilder took 813.25ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 52.7MB in the end (delta: -5.0MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-11-24 18:10:14,516 INFO L158 Benchmark]: CodeCheck took 1066.55ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 35.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:10:14,516 INFO L158 Benchmark]: Witness Printer took 103.65ms. Allocated memory is still 83.9MB. Free memory was 35.0MB in the beginning and 30.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:10:14,518 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: 1.0s, 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, 0.1s 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: 1574]: 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_multiply_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_multiply_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1572] 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] [L1574] 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 4.07ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1623.86ms. Allocated memory is still 83.9MB. Free memory was 56.4MB in the beginning and 52.5MB in the end (delta: 3.9MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.71ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 49.3MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.36ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 813.25ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 52.7MB in the end (delta: -5.0MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * CodeCheck took 1066.55ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 35.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 103.65ms. Allocated memory is still 83.9MB. Free memory was 35.0MB in the beginning and 30.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 18:10:14,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43b8a8c-1457-4088-a200-10f969c4cac4/bin/ukojak-verify-ENZ3QT5qd3/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)