./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_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_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/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_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/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_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/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 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:16:39,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:16:39,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 04:16:39,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:16:39,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:16:39,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:16:39,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:16:39,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:16:39,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:16:39,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:16:39,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:16:39,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:16:39,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:16:39,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:16:39,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:16:39,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:16:39,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:16:39,918 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:16:39,918 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:16:39,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:16:39,918 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:16:39,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:16:39,918 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:16:39,918 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:16:39,918 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:16:39,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:16:39,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:16:39,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:16:39,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:16:39,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:16:39,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:16:39,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:16:39,919 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_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/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 -> 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 [2024-12-06 04:16:40,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:16:40,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:16:40,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:16:40,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:16:40,145 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:16:40,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-12-06 04:16:42,844 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/data/58de1908a/850c1ccf37d84250bac5e1b4a97121d9/FLAGc693d120e [2024-12-06 04:16:43,169 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:16:43,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-12-06 04:16:43,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/data/58de1908a/850c1ccf37d84250bac5e1b4a97121d9/FLAGc693d120e [2024-12-06 04:16:43,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/data/58de1908a/850c1ccf37d84250bac5e1b4a97121d9 [2024-12-06 04:16:43,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:16:43,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:16:43,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:16:43,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:16:43,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:16:43,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:16:43" (1/1) ... [2024-12-06 04:16:43,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341f5971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:43, skipping insertion in model container [2024-12-06 04:16:43,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:16:43" (1/1) ... [2024-12-06 04:16:43,466 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:16:44,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:16:44,067 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:16:44,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:16:44,271 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:16:44,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:44 WrapperNode [2024-12-06 04:16:44,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:16:44,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:16:44,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:16:44,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:16:44,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:44" (1/1) ... [2024-12-06 04:16:44,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:44" (1/1) ... [2024-12-06 04:16:44,352 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-12-06 04:16:44,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:16:44,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:16:44,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:16:44,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:16:44,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:44" (1/1) ... [2024-12-06 04:16:44,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:44" (1/1) ... [2024-12-06 04:16:44,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:44" (1/1) ... [2024-12-06 04:16:44,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:44" (1/1) ... [2024-12-06 04:16:44,372 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:44" (1/1) ... [2024-12-06 04:16:44,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:44" (1/1) ... [2024-12-06 04:16:44,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:44" (1/1) ... [2024-12-06 04:16:44,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:44" (1/1) ... [2024-12-06 04:16:44,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:44" (1/1) ... [2024-12-06 04:16:44,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:16:44,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:16:44,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:16:44,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:16:44,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:44" (1/1) ... [2024-12-06 04:16:44,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:16:44,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:16:44,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:16:44,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:16:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:16:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:16:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:16:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:16:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:16:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:16:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:16:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:16:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:16:44,563 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:16:44,565 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:16:44,766 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-12-06 04:16:44,766 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:16:44,935 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:16:44,935 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:16:44,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:16:44 BoogieIcfgContainer [2024-12-06 04:16:44,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:16:44,936 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:16:44,936 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:16:44,947 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:16:44,947 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:16:44" (1/1) ... [2024-12-06 04:16:44,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:16:44,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:45,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 04:16:45,004 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 04:16:45,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:16:45,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:45,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:16:45,246 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:16:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:16:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:16:45,395 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:16:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:16:45,441 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:16:45,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:16:45 ImpRootNode [2024-12-06 04:16:45,464 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:16:45,465 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:16:45,465 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:16:45,465 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:16:45,465 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:16:44" (3/4) ... [2024-12-06 04:16:45,468 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:16:45,469 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:16:45,469 INFO L158 Benchmark]: Toolchain (without parser) took 2051.40ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 93.0MB in the end (delta: 20.4MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-12-06 04:16:45,470 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:16:45,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 852.01ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 53.6MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 04:16:45,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.86ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 111.6MB in the end (delta: -58.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-12-06 04:16:45,471 INFO L158 Benchmark]: Boogie Preprocessor took 28.31ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 110.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:16:45,472 INFO L158 Benchmark]: RCFGBuilder took 553.32ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 72.9MB in the end (delta: 37.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 04:16:45,472 INFO L158 Benchmark]: CodeCheck took 527.88ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 93.8MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:16:45,473 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 93.0MB in the end (delta: 750.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:16:45,475 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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_rand_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] 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 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 852.01ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 53.6MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.86ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 111.6MB in the end (delta: -58.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.31ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 110.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 553.32ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 72.9MB in the end (delta: 37.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 527.88ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 93.8MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 93.0MB in the end (delta: 750.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:16:45,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/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_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/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_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/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_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/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 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:16:47,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:16:47,473 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 04:16:47,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:16:47,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:16:47,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:16:47,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:16:47,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:16:47,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:16:47,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:16:47,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:16:47,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:16:47,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:16:47,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:16:47,501 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:16:47,501 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:16:47,501 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:16:47,501 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:16:47,501 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:16:47,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:16:47,501 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:16:47,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:16:47,502 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:16:47,502 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:16:47,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:16:47,502 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:16:47,502 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:16:47,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:16:47,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:16:47,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:16:47,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:16:47,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:16:47,503 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:16:47,503 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:16:47,503 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:16:47,503 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_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/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 -> 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 [2024-12-06 04:16:47,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:16:47,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:16:47,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:16:47,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:16:47,724 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:16:47,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-12-06 04:16:50,483 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/data/f81ed4213/f53ea2e90f8749cb8d191d5b59631074/FLAGedde2ec1f [2024-12-06 04:16:50,779 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:16:50,780 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-12-06 04:16:50,804 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/data/f81ed4213/f53ea2e90f8749cb8d191d5b59631074/FLAGedde2ec1f [2024-12-06 04:16:51,036 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/data/f81ed4213/f53ea2e90f8749cb8d191d5b59631074 [2024-12-06 04:16:51,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:16:51,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:16:51,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:16:51,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:16:51,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:16:51,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:16:51" (1/1) ... [2024-12-06 04:16:51,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50891e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:51, skipping insertion in model container [2024-12-06 04:16:51,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:16:51" (1/1) ... [2024-12-06 04:16:51,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:16:51,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:16:51,770 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:16:51,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:16:52,007 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:16:52,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:52 WrapperNode [2024-12-06 04:16:52,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:16:52,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:16:52,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:16:52,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:16:52,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:52" (1/1) ... [2024-12-06 04:16:52,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:52" (1/1) ... [2024-12-06 04:16:52,056 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-12-06 04:16:52,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:16:52,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:16:52,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:16:52,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:16:52,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:52" (1/1) ... [2024-12-06 04:16:52,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:52" (1/1) ... [2024-12-06 04:16:52,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:52" (1/1) ... [2024-12-06 04:16:52,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:52" (1/1) ... [2024-12-06 04:16:52,076 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:52" (1/1) ... [2024-12-06 04:16:52,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:52" (1/1) ... [2024-12-06 04:16:52,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:52" (1/1) ... [2024-12-06 04:16:52,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:52" (1/1) ... [2024-12-06 04:16:52,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:52" (1/1) ... [2024-12-06 04:16:52,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:16:52,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:16:52,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:16:52,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:16:52,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:52" (1/1) ... [2024-12-06 04:16:52,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:16:52,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:16:52,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:16:52,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:16:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:16:52,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:16:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:16:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:16:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:16:52,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:16:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 04:16:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:16:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 04:16:52,279 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:16:52,281 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:16:52,410 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-06 04:16:52,410 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:16:52,468 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:16:52,468 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:16:52,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:16:52 BoogieIcfgContainer [2024-12-06 04:16:52,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:16:52,469 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:16:52,469 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:16:52,479 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:16:52,479 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:16:52" (1/1) ... [2024-12-06 04:16:52,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:16:52,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:52,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 04:16:52,528 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 04:16:52,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:16:52,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:52,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:16:52,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:16:52,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:16:52,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:16:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:16:52,712 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:16:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:16:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:16:52,840 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:16:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:16:52,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:16:52,890 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:16:52,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:16:52 ImpRootNode [2024-12-06 04:16:52,912 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:16:52,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:16:52,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:16:52,913 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:16:52,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:16:52" (3/4) ... [2024-12-06 04:16:52,915 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:16:52,948 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-12-06 04:16:52,983 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:16:52,983 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:16:52,983 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:16:52,984 INFO L158 Benchmark]: Toolchain (without parser) took 1942.22ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 49.8MB in the end (delta: 16.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-06 04:16:52,984 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:16:52,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 964.36ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 62.6MB in the end (delta: 3.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-06 04:16:52,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.66ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 59.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:16:52,985 INFO L158 Benchmark]: Boogie Preprocessor took 28.82ms. 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 04:16:52,985 INFO L158 Benchmark]: RCFGBuilder took 382.46ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 40.0MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:16:52,986 INFO L158 Benchmark]: CodeCheck took 443.43ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 54.7MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:16:52,986 INFO L158 Benchmark]: Witness Printer took 69.94ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 49.8MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:16:52,988 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 - CounterExampleResult [Line: 1563]: 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_rand_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 964.36ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 62.6MB in the end (delta: 3.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.66ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 59.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.82ms. 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 382.46ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 40.0MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 443.43ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 54.7MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.94ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 49.8MB 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! [2024-12-06 04:16:53,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765f728c-c6a0-4d32-aa4d-bb08a8c9f3ca/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)