./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_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_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/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_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/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_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/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 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:18:21,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:18:21,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:18:21,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:18:21,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:18:21,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:18:21,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:18:21,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:18:21,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:18:21,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:18:21,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:18:21,347 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:18:21,347 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:18:21,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:18:21,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:18:21,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:18:21,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:18:21,348 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:18:21,348 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:18:21,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:18:21,348 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:18:21,348 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:18:21,348 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:18:21,348 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:18:21,348 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:18:21,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:18:21,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:21,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:18:21,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:18:21,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:18:21,349 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:18:21,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:18:21,349 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_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/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 -> 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 [2024-12-06 01:18:21,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:18:21,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:18:21,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:18:21,543 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:18:21,543 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:18:21,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2024-12-06 01:18:24,104 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/data/c9bab0c83/268a6aa780c74eebb4befcf491901be0/FLAG29a98dc55 [2024-12-06 01:18:24,445 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:18:24,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2024-12-06 01:18:24,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/data/c9bab0c83/268a6aa780c74eebb4befcf491901be0/FLAG29a98dc55 [2024-12-06 01:18:24,691 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/data/c9bab0c83/268a6aa780c74eebb4befcf491901be0 [2024-12-06 01:18:24,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:18:24,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:18:24,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:24,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:18:24,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:18:24,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:24" (1/1) ... [2024-12-06 01:18:24,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b99d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:24, skipping insertion in model container [2024-12-06 01:18:24,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:24" (1/1) ... [2024-12-06 01:18:24,738 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:18:25,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:25,437 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:18:25,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:25,631 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:18:25,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:25 WrapperNode [2024-12-06 01:18:25,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:25,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:25,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:18:25,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:18:25,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:25" (1/1) ... [2024-12-06 01:18:25,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:25" (1/1) ... [2024-12-06 01:18:25,673 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 103 [2024-12-06 01:18:25,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:25,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:18:25,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:18:25,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:18:25,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:25" (1/1) ... [2024-12-06 01:18:25,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:25" (1/1) ... [2024-12-06 01:18:25,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:25" (1/1) ... [2024-12-06 01:18:25,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:25" (1/1) ... [2024-12-06 01:18:25,691 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:25" (1/1) ... [2024-12-06 01:18:25,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:25" (1/1) ... [2024-12-06 01:18:25,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:25" (1/1) ... [2024-12-06 01:18:25,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:25" (1/1) ... [2024-12-06 01:18:25,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:25" (1/1) ... [2024-12-06 01:18:25,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:18:25,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:18:25,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:18:25,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:18:25,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:25" (1/1) ... [2024-12-06 01:18:25,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:25,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:18:25,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:18:25,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:18:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:18:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:18:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:18:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:18:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:18:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:18:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:18:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:18:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:18:25,875 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:18:25,877 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:18:26,070 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-12-06 01:18:26,070 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:18:26,238 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:18:26,238 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:18:26,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:26 BoogieIcfgContainer [2024-12-06 01:18:26,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:18:26,239 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:18:26,239 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:18:26,249 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:18:26,249 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:26" (1/1) ... [2024-12-06 01:18:26,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:18:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:18:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:18:26,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:18:26,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:26,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:26,537 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:18:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:26,680 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:18:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:26,723 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:18:26,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:18:26 ImpRootNode [2024-12-06 01:18:26,747 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:18:26,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:18:26,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:18:26,748 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:18:26,748 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:26" (3/4) ... [2024-12-06 01:18:26,750 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:18:26,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:18:26,752 INFO L158 Benchmark]: Toolchain (without parser) took 2057.46ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 104.2MB in the end (delta: 10.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-12-06 01:18:26,752 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:26,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 936.46ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 55.3MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 01:18:26,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.12ms. Allocated memory is still 142.6MB. Free memory was 55.3MB in the beginning and 52.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:18:26,753 INFO L158 Benchmark]: Boogie Preprocessor took 23.96ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 51.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:26,754 INFO L158 Benchmark]: RCFGBuilder took 539.97ms. Allocated memory is still 142.6MB. Free memory was 51.3MB in the beginning and 80.9MB in the end (delta: -29.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-12-06 01:18:26,754 INFO L158 Benchmark]: CodeCheck took 508.00ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 104.5MB in the end (delta: -23.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:26,754 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 104.2MB in the end (delta: 279.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:26,756 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 936.46ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 55.3MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.12ms. Allocated memory is still 142.6MB. Free memory was 55.3MB in the beginning and 52.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.96ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 51.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 539.97ms. Allocated memory is still 142.6MB. Free memory was 51.3MB in the beginning and 80.9MB in the end (delta: -29.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * CodeCheck took 508.00ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 104.5MB in the end (delta: -23.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 104.2MB in the end (delta: 279.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:18:26,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/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_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/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_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/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_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/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 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:18:28,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:18:28,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:18:28,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:18:28,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:18:28,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:18:28,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:18:28,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:18:28,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:18:28,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:18:28,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:18:28,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:18:28,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:18:28,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:18:28,882 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:18:28,883 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:18:28,883 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:18:28,883 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:18:28,883 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:18:28,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:18:28,883 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:18:28,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:18:28,883 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:18:28,883 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:18:28,883 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:18:28,883 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:28,883 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:18:28,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:18:28,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:28,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:18:28,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:18:28,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:18:28,884 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:18:28,884 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:28,884 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:18:28,884 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_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/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 -> 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 [2024-12-06 01:18:29,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:18:29,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:18:29,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:18:29,152 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:18:29,152 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:18:29,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2024-12-06 01:18:31,894 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/data/e7d7baeb2/d7508c788da042ad838054e141778d4f/FLAGf3f6dea1e [2024-12-06 01:18:32,146 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:18:32,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2024-12-06 01:18:32,167 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/data/e7d7baeb2/d7508c788da042ad838054e141778d4f/FLAGf3f6dea1e [2024-12-06 01:18:32,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/data/e7d7baeb2/d7508c788da042ad838054e141778d4f [2024-12-06 01:18:32,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:18:32,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:18:32,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:32,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:18:32,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:18:32,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:32" (1/1) ... [2024-12-06 01:18:32,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e89dc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:32, skipping insertion in model container [2024-12-06 01:18:32,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:32" (1/1) ... [2024-12-06 01:18:32,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:18:32,940 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 01:18:32,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:32,955 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:18:33,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:33,158 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:18:33,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:33 WrapperNode [2024-12-06 01:18:33,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:33,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:33,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:18:33,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:18:33,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:33" (1/1) ... [2024-12-06 01:18:33,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:33" (1/1) ... [2024-12-06 01:18:33,202 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-12-06 01:18:33,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:33,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:18:33,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:18:33,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:18:33,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:33" (1/1) ... [2024-12-06 01:18:33,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:33" (1/1) ... [2024-12-06 01:18:33,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:33" (1/1) ... [2024-12-06 01:18:33,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:33" (1/1) ... [2024-12-06 01:18:33,222 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:33" (1/1) ... [2024-12-06 01:18:33,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:33" (1/1) ... [2024-12-06 01:18:33,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:33" (1/1) ... [2024-12-06 01:18:33,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:33" (1/1) ... [2024-12-06 01:18:33,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:33" (1/1) ... [2024-12-06 01:18:33,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:18:33,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:18:33,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:18:33,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:18:33,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:33" (1/1) ... [2024-12-06 01:18:33,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:33,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:18:33,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:18:33,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:18:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:18:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:18:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:18:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:18:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:18:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:18:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 01:18:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:18:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 01:18:33,429 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:18:33,431 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:18:33,566 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-12-06 01:18:33,566 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:18:33,631 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:18:33,631 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:18:33,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:33 BoogieIcfgContainer [2024-12-06 01:18:33,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:18:33,632 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:18:33,632 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:18:33,642 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:18:33,642 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:33" (1/1) ... [2024-12-06 01:18:33,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:18:33,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:33,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:18:33,687 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:18:33,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:18:33,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:33,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:33,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:33,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:33,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:18:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:33,883 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:18:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:34,048 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:18:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:34,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:18:34,104 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:18:34,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:18:34 ImpRootNode [2024-12-06 01:18:34,129 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:18:34,129 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:18:34,130 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:18:34,130 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:18:34,130 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:33" (3/4) ... [2024-12-06 01:18:34,131 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:18:34,168 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 01:18:34,212 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:18:34,212 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:18:34,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:18:34,213 INFO L158 Benchmark]: Toolchain (without parser) took 2027.70ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 48.6MB in the end (delta: 18.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-06 01:18:34,213 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:34,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 972.41ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 62.7MB in the end (delta: 3.8MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-06 01:18:34,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.38ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 59.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:34,214 INFO L158 Benchmark]: Boogie Preprocessor took 28.59ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:34,214 INFO L158 Benchmark]: RCFGBuilder took 399.72ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 39.4MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:18:34,215 INFO L158 Benchmark]: CodeCheck took 496.71ms. Allocated memory is still 92.3MB. Free memory was 39.4MB in the beginning and 53.5MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:34,215 INFO L158 Benchmark]: Witness Printer took 82.71ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 48.6MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:18:34,217 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 - CounterExampleResult [Line: 1569]: 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] 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 0.35ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 972.41ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 62.7MB in the end (delta: 3.8MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.38ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 59.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.59ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 399.72ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 39.4MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 496.71ms. Allocated memory is still 92.3MB. Free memory was 39.4MB in the beginning and 53.5MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.71ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 48.6MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:18:34,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125c3d89-0265-4b2a-a1d7-2d60f12b6b85/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)