./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_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_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/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_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/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_789ff7fc-4b64-4eba-b9d3-428ba6c53465/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 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:23:38,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:23:38,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:23:38,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:23:38,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:23:38,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:23:38,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:23:38,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:23:38,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:23:38,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:23:38,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:23:38,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:23:38,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:23:38,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:23:38,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:23:38,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:23:38,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:23:38,338 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:23:38,339 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:23:38,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:23:38,339 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:23:38,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:23:38,339 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:23:38,339 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:23:38,339 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:23:38,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:23:38,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:23:38,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:23:38,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:23:38,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:23:38,340 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:23:38,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:23:38,340 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_789ff7fc-4b64-4eba-b9d3-428ba6c53465/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 -> 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 [2024-12-06 05:23:38,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:23:38,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:23:38,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:23:38,579 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:23:38,579 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:23:38,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2024-12-06 05:23:41,188 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/data/b8d4fe3ce/4d79c20a16494063bd1fcfd91ee20114/FLAG6f9543827 [2024-12-06 05:23:41,492 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:23:41,492 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2024-12-06 05:23:41,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/data/b8d4fe3ce/4d79c20a16494063bd1fcfd91ee20114/FLAG6f9543827 [2024-12-06 05:23:41,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/data/b8d4fe3ce/4d79c20a16494063bd1fcfd91ee20114 [2024-12-06 05:23:41,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:23:41,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:23:41,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:23:41,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:23:41,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:23:41,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:23:41" (1/1) ... [2024-12-06 05:23:41,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@824f469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:41, skipping insertion in model container [2024-12-06 05:23:41,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:23:41" (1/1) ... [2024-12-06 05:23:41,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:23:42,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:23:42,389 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:23:42,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:23:42,567 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:23:42,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:42 WrapperNode [2024-12-06 05:23:42,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:23:42,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:23:42,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:23:42,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:23:42,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:42" (1/1) ... [2024-12-06 05:23:42,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:42" (1/1) ... [2024-12-06 05:23:42,605 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 109 [2024-12-06 05:23:42,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:23:42,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:23:42,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:23:42,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:23:42,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:42" (1/1) ... [2024-12-06 05:23:42,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:42" (1/1) ... [2024-12-06 05:23:42,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:42" (1/1) ... [2024-12-06 05:23:42,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:42" (1/1) ... [2024-12-06 05:23:42,620 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:42" (1/1) ... [2024-12-06 05:23:42,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:42" (1/1) ... [2024-12-06 05:23:42,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:42" (1/1) ... [2024-12-06 05:23:42,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:42" (1/1) ... [2024-12-06 05:23:42,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:42" (1/1) ... [2024-12-06 05:23:42,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:23:42,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:23:42,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:23:42,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:23:42,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:42" (1/1) ... [2024-12-06 05:23:42,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:23:42,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:23:42,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:23:42,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:23:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:23:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:23:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:23:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 05:23:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:23:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:23:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:23:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:23:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:23:42,783 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:23:42,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:23:42,966 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-12-06 05:23:42,966 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:23:43,131 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:23:43,132 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:23:43,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:23:43 BoogieIcfgContainer [2024-12-06 05:23:43,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:23:43,133 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:23:43,133 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:23:43,142 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:23:43,142 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:23:43" (1/1) ... [2024-12-06 05:23:43,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:23:43,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:43,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 05:23:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 05:23:43,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:23:43,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:43,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:23:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:23:43,420 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:23:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:23:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:23:43,581 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:23:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:23:43,622 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:23:43,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:23:43 ImpRootNode [2024-12-06 05:23:43,642 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:23:43,642 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:23:43,642 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:23:43,642 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:23:43,643 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:23:43" (3/4) ... [2024-12-06 05:23:43,645 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:23:43,645 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:23:43,646 INFO L158 Benchmark]: Toolchain (without parser) took 1896.23ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 83.9MB in the end (delta: 31.5MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2024-12-06 05:23:43,647 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:23:43,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.70ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 106.6MB in the end (delta: 8.5MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-12-06 05:23:43,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.65ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 103.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:23:43,648 INFO L158 Benchmark]: Boogie Preprocessor took 19.79ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:23:43,648 INFO L158 Benchmark]: RCFGBuilder took 505.61ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 64.4MB in the end (delta: 37.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 05:23:43,649 INFO L158 Benchmark]: CodeCheck took 508.95ms. Allocated memory is still 142.6MB. Free memory was 63.9MB in the beginning and 84.6MB in the end (delta: -20.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:23:43,649 INFO L158 Benchmark]: Witness Printer took 3.28ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 83.9MB in the end (delta: 755.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:23:43,651 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1573]: 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_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_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_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.70ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 106.6MB in the end (delta: 8.5MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.65ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 103.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.79ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 505.61ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 64.4MB in the end (delta: 37.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 508.95ms. Allocated memory is still 142.6MB. Free memory was 63.9MB in the beginning and 84.6MB in the end (delta: -20.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.28ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 83.9MB in the end (delta: 755.0kB). 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 05:23:43,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/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_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/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_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/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_789ff7fc-4b64-4eba-b9d3-428ba6c53465/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 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:23:45,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:23:45,646 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 05:23:45,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:23:45,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:23:45,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:23:45,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:23:45,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:23:45,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:23:45,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:23:45,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:23:45,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:23:45,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:23:45,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:23:45,673 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:23:45,673 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:23:45,673 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:23:45,673 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:23:45,674 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:23:45,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:23:45,674 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:23:45,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:23:45,674 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:23:45,674 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:23:45,674 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:23:45,674 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:45,674 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:23:45,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:23:45,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:23:45,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:23:45,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:23:45,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:23:45,675 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:23:45,675 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:45,675 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:23:45,675 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_789ff7fc-4b64-4eba-b9d3-428ba6c53465/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 -> 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 [2024-12-06 05:23:45,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:23:45,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:23:45,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:23:45,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:23:45,907 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:23:45,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2024-12-06 05:23:48,531 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/data/63b6b967c/114b74016ed34a03b6678e92ad6d86af/FLAG801cd27a4 [2024-12-06 05:23:48,830 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:23:48,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2024-12-06 05:23:48,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/data/63b6b967c/114b74016ed34a03b6678e92ad6d86af/FLAG801cd27a4 [2024-12-06 05:23:49,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/data/63b6b967c/114b74016ed34a03b6678e92ad6d86af [2024-12-06 05:23:49,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:23:49,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:23:49,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:23:49,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:23:49,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:23:49,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:23:49" (1/1) ... [2024-12-06 05:23:49,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c9ba6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:49, skipping insertion in model container [2024-12-06 05:23:49,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:23:49" (1/1) ... [2024-12-06 05:23:49,139 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:23:49,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:23:49,770 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:23:49,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:23:49,989 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:23:49,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:49 WrapperNode [2024-12-06 05:23:49,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:23:49,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:23:49,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:23:49,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:23:49,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:49" (1/1) ... [2024-12-06 05:23:50,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:49" (1/1) ... [2024-12-06 05:23:50,032 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2024-12-06 05:23:50,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:23:50,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:23:50,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:23:50,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:23:50,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:49" (1/1) ... [2024-12-06 05:23:50,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:49" (1/1) ... [2024-12-06 05:23:50,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:49" (1/1) ... [2024-12-06 05:23:50,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:49" (1/1) ... [2024-12-06 05:23:50,051 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:49" (1/1) ... [2024-12-06 05:23:50,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:49" (1/1) ... [2024-12-06 05:23:50,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:49" (1/1) ... [2024-12-06 05:23:50,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:49" (1/1) ... [2024-12-06 05:23:50,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:49" (1/1) ... [2024-12-06 05:23:50,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:23:50,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:23:50,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:23:50,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:23:50,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:49" (1/1) ... [2024-12-06 05:23:50,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:23:50,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:23:50,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:23:50,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:23:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:23:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:23:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:23:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:23:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:23:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:23:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 05:23:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:23:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 05:23:50,229 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:23:50,231 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:23:50,372 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-12-06 05:23:50,372 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:23:50,428 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:23:50,428 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:23:50,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:23:50 BoogieIcfgContainer [2024-12-06 05:23:50,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:23:50,429 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:23:50,429 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:23:50,436 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:23:50,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:23:50" (1/1) ... [2024-12-06 05:23:50,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:23:50,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:50,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 05:23:50,476 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 05:23:50,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:23:50,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:50,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:50,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:50,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:50,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:23:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:23:50,673 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:23:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:23:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:23:50,890 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:23:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:23:50,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:23:50,967 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:23:50,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:23:50 ImpRootNode [2024-12-06 05:23:50,987 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:23:50,988 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:23:50,988 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:23:50,988 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:23:50,989 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:23:50" (3/4) ... [2024-12-06 05:23:50,989 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:23:51,021 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 05:23:51,053 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:23:51,054 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:23:51,054 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:23:51,054 INFO L158 Benchmark]: Toolchain (without parser) took 1953.31ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 46.3MB in the end (delta: 19.8MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-06 05:23:51,055 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:23:51,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 887.89ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 62.0MB in the end (delta: 3.8MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-06 05:23:51,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.04ms. Allocated memory is still 92.3MB. Free memory was 61.6MB in the beginning and 58.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:23:51,056 INFO L158 Benchmark]: Boogie Preprocessor took 26.77ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 57.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:23:51,056 INFO L158 Benchmark]: RCFGBuilder took 368.23ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 38.2MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:23:51,056 INFO L158 Benchmark]: CodeCheck took 558.34ms. Allocated memory is still 92.3MB. Free memory was 38.2MB in the beginning and 50.9MB in the end (delta: -12.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:23:51,056 INFO L158 Benchmark]: Witness Printer took 65.91ms. Allocated memory is still 92.3MB. Free memory was 50.9MB in the beginning and 46.3MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:23:51,058 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1573]: 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_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_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_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 887.89ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 62.0MB in the end (delta: 3.8MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.04ms. Allocated memory is still 92.3MB. Free memory was 61.6MB in the beginning and 58.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.77ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 57.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 368.23ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 38.2MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 558.34ms. Allocated memory is still 92.3MB. Free memory was 38.2MB in the beginning and 50.9MB in the end (delta: -12.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.91ms. Allocated memory is still 92.3MB. Free memory was 50.9MB in the beginning and 46.3MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:23:51,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789ff7fc-4b64-4eba-b9d3-428ba6c53465/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)