./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_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_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/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_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/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_08c3a6b1-342d-45ee-8318-1d6423e7260f/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 f65e73731e3b05ba6a09e0ec9c2b11b38ef25e5cdccd17008887debb2d118c23 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:45:41,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:45:41,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:45:41,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:45:41,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:45:41,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:45:41,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:45:41,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:45:41,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:45:41,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:45:41,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:45:41,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:45:41,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:45:41,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:45:41,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:45:41,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:45:41,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:45:41,515 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:45:41,515 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:45:41,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:45:41,515 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:45:41,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:45:41,515 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:45:41,515 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:45:41,515 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:45:41,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:45:41,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:45:41,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:45:41,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:45:41,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:45:41,516 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:45:41,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:45:41,516 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_08c3a6b1-342d-45ee-8318-1d6423e7260f/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 -> f65e73731e3b05ba6a09e0ec9c2b11b38ef25e5cdccd17008887debb2d118c23 [2024-12-05 23:45:41,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:45:41,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:45:41,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:45:41,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:45:41,742 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:45:41,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i [2024-12-05 23:45:44,342 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/data/21292accb/c23887b9297245f596c72ffea551dbf7/FLAG7a43dbb69 [2024-12-05 23:45:44,625 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:45:44,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i [2024-12-05 23:45:44,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/data/21292accb/c23887b9297245f596c72ffea551dbf7/FLAG7a43dbb69 [2024-12-05 23:45:44,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/data/21292accb/c23887b9297245f596c72ffea551dbf7 [2024-12-05 23:45:44,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:45:44,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:45:44,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:45:44,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:45:44,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:45:44,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:45:44" (1/1) ... [2024-12-05 23:45:44,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ac2edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:44, skipping insertion in model container [2024-12-05 23:45:44,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:45:44" (1/1) ... [2024-12-05 23:45:44,943 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:45:45,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:45:45,616 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:45:45,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:45:45,792 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:45:45,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:45 WrapperNode [2024-12-05 23:45:45,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:45:45,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:45:45,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:45:45,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:45:45,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:45" (1/1) ... [2024-12-05 23:45:45,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:45" (1/1) ... [2024-12-05 23:45:45,828 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2024-12-05 23:45:45,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:45:45,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:45:45,829 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:45:45,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:45:45,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:45" (1/1) ... [2024-12-05 23:45:45,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:45" (1/1) ... [2024-12-05 23:45:45,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:45" (1/1) ... [2024-12-05 23:45:45,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:45" (1/1) ... [2024-12-05 23:45:45,841 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:45" (1/1) ... [2024-12-05 23:45:45,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:45" (1/1) ... [2024-12-05 23:45:45,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:45" (1/1) ... [2024-12-05 23:45:45,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:45" (1/1) ... [2024-12-05 23:45:45,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:45" (1/1) ... [2024-12-05 23:45:45,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:45:45,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:45:45,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:45:45,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:45:45,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:45" (1/1) ... [2024-12-05 23:45:45,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:45:45,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:45:45,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:45:45,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:45:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:45:45,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:45:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:45:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:45:45,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:45:46,000 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:45:46,001 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:45:46,159 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-12-05 23:45:46,159 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:45:46,322 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:45:46,322 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:45:46,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:45:46 BoogieIcfgContainer [2024-12-05 23:45:46,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:45:46,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:45:46,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:45:46,332 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:45:46,333 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:45:46" (1/1) ... [2024-12-05 23:45:46,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:45:46,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:46,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 23:45:46,385 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 23:45:46,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:45:46,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:46,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:45:46,601 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:45:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:45:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:45:46,735 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:45:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:45:46,769 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:45:46,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:45:46 ImpRootNode [2024-12-05 23:45:46,792 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:45:46,792 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:45:46,792 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:45:46,793 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:45:46,793 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:45:46" (3/4) ... [2024-12-05 23:45:46,795 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:45:46,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:45:46,797 INFO L158 Benchmark]: Toolchain (without parser) took 1889.51ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 57.1MB in the end (delta: 32.0MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2024-12-05 23:45:46,797 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:45:46,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 884.83ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 80.6MB in the end (delta: 8.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-12-05 23:45:46,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.66ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 77.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:45:46,799 INFO L158 Benchmark]: Boogie Preprocessor took 18.41ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:45:46,799 INFO L158 Benchmark]: RCFGBuilder took 475.25ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 39.0MB in the end (delta: 37.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:45:46,799 INFO L158 Benchmark]: CodeCheck took 468.57ms. Allocated memory is still 117.4MB. Free memory was 39.0MB in the beginning and 57.1MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:45:46,800 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:45:46,801 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1567]: 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_51_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_51b_badSink(data) [L1567] 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 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 884.83ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 80.6MB in the end (delta: 8.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.66ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 77.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.41ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 475.25ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 39.0MB in the end (delta: 37.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 468.57ms. Allocated memory is still 117.4MB. Free memory was 39.0MB in the beginning and 57.1MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:45:46,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/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_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/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_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/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_08c3a6b1-342d-45ee-8318-1d6423e7260f/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 f65e73731e3b05ba6a09e0ec9c2b11b38ef25e5cdccd17008887debb2d118c23 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:45:48,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:45:48,806 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 23:45:48,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:45:48,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:45:48,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:45:48,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:45:48,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:45:48,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:45:48,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:45:48,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:45:48,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:45:48,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:45:48,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:45:48,833 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:45:48,833 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:45:48,833 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:45:48,833 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:45:48,833 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:45:48,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:45:48,834 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:45:48,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:45:48,834 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:45:48,834 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:45:48,834 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:45:48,834 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:45:48,834 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:45:48,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:45:48,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:45:48,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:45:48,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:45:48,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:45:48,835 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:45:48,835 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:45:48,835 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:45:48,835 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_08c3a6b1-342d-45ee-8318-1d6423e7260f/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 -> f65e73731e3b05ba6a09e0ec9c2b11b38ef25e5cdccd17008887debb2d118c23 [2024-12-05 23:45:49,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:45:49,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:45:49,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:45:49,091 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:45:49,091 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:45:49,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i [2024-12-05 23:45:51,791 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/data/67e86c7d1/8964eaae6be245e88cd1bfb6627877d7/FLAG6e4072840 [2024-12-05 23:45:52,056 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:45:52,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i [2024-12-05 23:45:52,075 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/data/67e86c7d1/8964eaae6be245e88cd1bfb6627877d7/FLAG6e4072840 [2024-12-05 23:45:52,088 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/data/67e86c7d1/8964eaae6be245e88cd1bfb6627877d7 [2024-12-05 23:45:52,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:45:52,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:45:52,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:45:52,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:45:52,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:45:52,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:45:52" (1/1) ... [2024-12-05 23:45:52,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3bfc1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:52, skipping insertion in model container [2024-12-05 23:45:52,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:45:52" (1/1) ... [2024-12-05 23:45:52,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:45:52,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:45:52,750 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:45:52,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:45:52,944 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:45:52,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:52 WrapperNode [2024-12-05 23:45:52,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:45:52,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:45:52,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:45:52,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:45:52,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:52" (1/1) ... [2024-12-05 23:45:52,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:52" (1/1) ... [2024-12-05 23:45:52,989 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2024-12-05 23:45:52,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:45:52,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:45:52,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:45:52,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:45:52,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:52" (1/1) ... [2024-12-05 23:45:52,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:52" (1/1) ... [2024-12-05 23:45:53,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:52" (1/1) ... [2024-12-05 23:45:53,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:52" (1/1) ... [2024-12-05 23:45:53,008 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:52" (1/1) ... [2024-12-05 23:45:53,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:52" (1/1) ... [2024-12-05 23:45:53,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:52" (1/1) ... [2024-12-05 23:45:53,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:52" (1/1) ... [2024-12-05 23:45:53,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:52" (1/1) ... [2024-12-05 23:45:53,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:45:53,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:45:53,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:45:53,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:45:53,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:52" (1/1) ... [2024-12-05 23:45:53,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:45:53,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:45:53,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:45:53,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:45:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:45:53,061 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:45:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:45:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:45:53,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:45:53,181 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:45:53,182 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:45:53,290 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-05 23:45:53,290 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:45:53,348 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:45:53,348 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:45:53,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:45:53 BoogieIcfgContainer [2024-12-05 23:45:53,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:45:53,349 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:45:53,349 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:45:53,359 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:45:53,359 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:45:53" (1/1) ... [2024-12-05 23:45:53,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:45:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:53,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 23:45:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 23:45:53,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:45:53,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:53,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:45:53,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:45:53,408 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:45:53,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:45:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:45:53,549 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:45:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:45:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:45:53,643 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:45:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:45:53,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:45:53,676 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:45:53,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:45:53 ImpRootNode [2024-12-05 23:45:53,699 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:45:53,699 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:45:53,699 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:45:53,700 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:45:53,700 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:45:53" (3/4) ... [2024-12-05 23:45:53,701 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:45:53,738 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-05 23:45:53,778 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:45:53,779 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:45:53,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:45:53,780 INFO L158 Benchmark]: Toolchain (without parser) took 1688.28ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 50.9MB in the end (delta: 15.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-12-05 23:45:53,780 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:45:53,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 852.68ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 60.1MB in the end (delta: 6.5MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-05 23:45:53,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.30ms. Allocated memory is still 92.3MB. Free memory was 60.1MB in the beginning and 57.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:45:53,780 INFO L158 Benchmark]: Boogie Preprocessor took 24.86ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 56.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:45:53,781 INFO L158 Benchmark]: RCFGBuilder took 332.94ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 38.9MB in the end (delta: 16.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:45:53,781 INFO L158 Benchmark]: CodeCheck took 349.63ms. Allocated memory is still 92.3MB. Free memory was 38.9MB in the beginning and 55.8MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:45:53,781 INFO L158 Benchmark]: Witness Printer took 79.43ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 50.9MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:45:53,783 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1567]: 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_51_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_51b_badSink(data) [L1567] 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 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 852.68ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 60.1MB in the end (delta: 6.5MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.30ms. Allocated memory is still 92.3MB. Free memory was 60.1MB in the beginning and 57.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.86ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 56.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.94ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 38.9MB in the end (delta: 16.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 349.63ms. Allocated memory is still 92.3MB. Free memory was 38.9MB in the beginning and 55.8MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 79.43ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 50.9MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:45:53,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c3a6b1-342d-45ee-8318-1d6423e7260f/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)