./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_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_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/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_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/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_cd114377-a214-4de2-992f-6af9ba228f2b/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 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:12:12,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:12:12,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:12:12,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:12:12,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:12:12,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:12:12,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:12:12,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:12:12,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:12:12,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:12:12,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:12:12,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:12:12,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:12:12,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:12:12,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:12:12,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:12:12,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:12:12,241 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:12:12,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:12:12,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:12:12,241 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:12:12,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:12:12,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:12:12,242 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:12:12,242 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:12:12,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:12:12,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:12:12,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:12:12,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:12:12,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:12:12,242 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:12:12,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:12:12,242 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_cd114377-a214-4de2-992f-6af9ba228f2b/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 -> 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a [2024-12-06 03:12:12,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:12:12,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:12:12,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:12:12,496 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:12:12,497 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:12:12,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2024-12-06 03:12:15,198 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/data/cd7196475/e0ca14b4d4af4bcd807e650ade90132d/FLAG09f7263b3 [2024-12-06 03:12:15,509 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:12:15,509 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2024-12-06 03:12:15,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/data/cd7196475/e0ca14b4d4af4bcd807e650ade90132d/FLAG09f7263b3 [2024-12-06 03:12:15,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/data/cd7196475/e0ca14b4d4af4bcd807e650ade90132d [2024-12-06 03:12:15,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:12:15,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:12:15,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:12:15,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:12:15,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:12:15,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:12:15" (1/1) ... [2024-12-06 03:12:15,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5cd18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:15, skipping insertion in model container [2024-12-06 03:12:15,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:12:15" (1/1) ... [2024-12-06 03:12:15,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:12:16,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:12:16,250 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:12:16,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:12:16,446 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:12:16,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:16 WrapperNode [2024-12-06 03:12:16,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:12:16,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:12:16,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:12:16,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:12:16,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:16" (1/1) ... [2024-12-06 03:12:16,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:16" (1/1) ... [2024-12-06 03:12:16,486 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 101 [2024-12-06 03:12:16,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:12:16,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:12:16,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:12:16,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:12:16,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:16" (1/1) ... [2024-12-06 03:12:16,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:16" (1/1) ... [2024-12-06 03:12:16,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:16" (1/1) ... [2024-12-06 03:12:16,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:16" (1/1) ... [2024-12-06 03:12:16,499 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:16" (1/1) ... [2024-12-06 03:12:16,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:16" (1/1) ... [2024-12-06 03:12:16,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:16" (1/1) ... [2024-12-06 03:12:16,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:16" (1/1) ... [2024-12-06 03:12:16,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:16" (1/1) ... [2024-12-06 03:12:16,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:12:16,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:12:16,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:12:16,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:12:16,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:16" (1/1) ... [2024-12-06 03:12:16,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:12:16,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:12:16,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:12:16,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:12:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:12:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:12:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:12:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:12:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:12:16,691 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:12:16,692 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:12:16,876 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-12-06 03:12:16,876 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:12:17,038 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:12:17,039 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:12:17,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:17 BoogieIcfgContainer [2024-12-06 03:12:17,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:12:17,040 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:12:17,040 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:12:17,049 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:12:17,049 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:17" (1/1) ... [2024-12-06 03:12:17,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:12:17,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:17,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 03:12:17,103 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 03:12:17,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:12:17,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:17,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:17,314 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:12:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:17,449 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:12:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:17,484 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:12:17,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:12:17 ImpRootNode [2024-12-06 03:12:17,506 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:12:17,507 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:12:17,507 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:12:17,507 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:12:17,508 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:17" (3/4) ... [2024-12-06 03:12:17,510 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:12:17,511 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:12:17,512 INFO L158 Benchmark]: Toolchain (without parser) took 1962.49ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 91.4MB in the end (delta: 21.9MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-12-06 03:12:17,512 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:17,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 896.32ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 112.0MB in the end (delta: 1.4MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-12-06 03:12:17,513 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.81ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 109.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:17,513 INFO L158 Benchmark]: Boogie Preprocessor took 18.02ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 108.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:17,514 INFO L158 Benchmark]: RCFGBuilder took 534.09ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 70.4MB in the end (delta: 37.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 03:12:17,514 INFO L158 Benchmark]: CodeCheck took 466.71ms. Allocated memory is still 142.6MB. Free memory was 70.4MB in the beginning and 91.4MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:17,514 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 91.4MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:17,516 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_postdec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_postdec_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 896.32ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 112.0MB in the end (delta: 1.4MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.81ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 109.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.02ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 108.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 534.09ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 70.4MB in the end (delta: 37.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 466.71ms. Allocated memory is still 142.6MB. Free memory was 70.4MB in the beginning and 91.4MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 91.4MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:12:17,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/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_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/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_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/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_cd114377-a214-4de2-992f-6af9ba228f2b/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 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:12:19,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:12:19,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 03:12:19,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:12:19,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:12:19,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:12:19,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:12:19,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:12:19,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:12:19,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:12:19,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:12:19,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:12:19,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:12:19,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:12:19,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:12:19,563 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:12:19,563 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:12:19,563 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:12:19,563 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:12:19,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:12:19,563 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:12:19,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:12:19,564 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:12:19,564 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:12:19,564 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:12:19,564 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:19,564 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:12:19,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:12:19,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:12:19,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:12:19,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:12:19,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:12:19,564 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:12:19,564 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:19,565 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:12:19,565 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_cd114377-a214-4de2-992f-6af9ba228f2b/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 -> 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a [2024-12-06 03:12:19,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:12:19,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:12:19,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:12:19,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:12:19,803 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:12:19,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2024-12-06 03:12:22,503 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/data/765945400/97dcb5bff7b543fba2268c0ca98860ad/FLAGf7ba8ca62 [2024-12-06 03:12:22,791 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:12:22,792 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2024-12-06 03:12:22,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/data/765945400/97dcb5bff7b543fba2268c0ca98860ad/FLAGf7ba8ca62 [2024-12-06 03:12:22,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/data/765945400/97dcb5bff7b543fba2268c0ca98860ad [2024-12-06 03:12:22,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:12:22,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:12:22,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:12:22,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:12:22,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:12:22,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:12:22" (1/1) ... [2024-12-06 03:12:22,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755c1227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:22, skipping insertion in model container [2024-12-06 03:12:22,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:12:22" (1/1) ... [2024-12-06 03:12:22,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:12:23,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:12:23,545 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:12:23,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:12:23,745 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:12:23,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:23 WrapperNode [2024-12-06 03:12:23,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:12:23,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:12:23,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:12:23,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:12:23,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:23" (1/1) ... [2024-12-06 03:12:23,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:23" (1/1) ... [2024-12-06 03:12:23,787 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2024-12-06 03:12:23,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:12:23,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:12:23,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:12:23,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:12:23,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:23" (1/1) ... [2024-12-06 03:12:23,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:23" (1/1) ... [2024-12-06 03:12:23,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:23" (1/1) ... [2024-12-06 03:12:23,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:23" (1/1) ... [2024-12-06 03:12:23,805 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:23" (1/1) ... [2024-12-06 03:12:23,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:23" (1/1) ... [2024-12-06 03:12:23,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:23" (1/1) ... [2024-12-06 03:12:23,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:23" (1/1) ... [2024-12-06 03:12:23,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:23" (1/1) ... [2024-12-06 03:12:23,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:12:23,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:12:23,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:12:23,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:12:23,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:23" (1/1) ... [2024-12-06 03:12:23,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:12:23,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:12:23,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:12:23,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:12:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:12:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:12:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:12:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:12:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:12:23,994 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:12:23,996 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:12:24,103 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-12-06 03:12:24,103 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:12:24,161 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:12:24,161 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:12:24,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:24 BoogieIcfgContainer [2024-12-06 03:12:24,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:12:24,162 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:12:24,162 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:12:24,170 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:12:24,170 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:24" (1/1) ... [2024-12-06 03:12:24,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:12:24,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:24,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 03:12:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 03:12:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:12:24,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:24,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:24,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:24,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:24,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:12:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:24,367 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:12:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:24,457 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:12:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:24,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:12:24,508 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:12:24,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:12:24 ImpRootNode [2024-12-06 03:12:24,530 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:12:24,531 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:12:24,531 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:12:24,531 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:12:24,532 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:24" (3/4) ... [2024-12-06 03:12:24,532 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:12:24,569 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 03:12:24,613 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:12:24,613 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:12:24,613 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:12:24,614 INFO L158 Benchmark]: Toolchain (without parser) took 1783.07ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 51.5MB in the end (delta: 14.7MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-12-06 03:12:24,614 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:24,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 913.74ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 62.1MB in the end (delta: 4.0MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-12-06 03:12:24,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.49ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:24,615 INFO L158 Benchmark]: Boogie Preprocessor took 24.97ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 57.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:24,615 INFO L158 Benchmark]: RCFGBuilder took 348.38ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 40.2MB in the end (delta: 17.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:12:24,616 INFO L158 Benchmark]: CodeCheck took 367.97ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 56.6MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:24,616 INFO L158 Benchmark]: Witness Printer took 82.37ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 51.5MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:12:24,618 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: 1568]: 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_postdec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_postdec_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] 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 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 913.74ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 62.1MB in the end (delta: 4.0MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.49ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.97ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 57.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 348.38ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 40.2MB in the end (delta: 17.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 367.97ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 56.6MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.37ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 51.5MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:12:24,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd114377-a214-4de2-992f-6af9ba228f2b/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)