./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_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_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/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_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/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_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/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 24f502f513783ce5a0195ebf41a7db9e851f5ce9cb655e743264341368add47d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:55:49,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:55:49,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:55:49,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:55:49,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:55:49,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:55:49,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:55:49,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:55:49,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:55:49,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:55:49,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:55:49,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:55:49,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:55:49,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:55:49,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:55:49,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:55:49,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:55:49,798 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:55:49,798 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:55:49,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:55:49,798 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:55:49,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:55:49,798 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:55:49,798 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:55:49,799 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:55:49,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:55:49,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:55:49,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:55:49,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:55:49,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:55:49,799 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:55:49,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:55:49,799 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_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/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 -> 24f502f513783ce5a0195ebf41a7db9e851f5ce9cb655e743264341368add47d [2024-12-06 05:55:50,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:55:50,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:55:50,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:55:50,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:55:50,051 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:55:50,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i [2024-12-06 05:55:52,690 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/data/8e1a157f4/e4dd16782c0a46b28d557f5c7f61ccf9/FLAG48d1c9d89 [2024-12-06 05:55:52,997 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:55:52,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i [2024-12-06 05:55:53,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/data/8e1a157f4/e4dd16782c0a46b28d557f5c7f61ccf9/FLAG48d1c9d89 [2024-12-06 05:55:53,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/data/8e1a157f4/e4dd16782c0a46b28d557f5c7f61ccf9 [2024-12-06 05:55:53,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:55:53,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:55:53,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:55:53,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:55:53,282 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:55:53,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:55:53" (1/1) ... [2024-12-06 05:55:53,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6398066a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:53, skipping insertion in model container [2024-12-06 05:55:53,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:55:53" (1/1) ... [2024-12-06 05:55:53,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:55:54,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:55:54,022 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:55:54,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:55:54,185 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:55:54,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:54 WrapperNode [2024-12-06 05:55:54,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:55:54,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:55:54,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:55:54,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:55:54,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:54" (1/1) ... [2024-12-06 05:55:54,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:54" (1/1) ... [2024-12-06 05:55:54,230 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-12-06 05:55:54,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:55:54,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:55:54,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:55:54,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:55:54,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:54" (1/1) ... [2024-12-06 05:55:54,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:54" (1/1) ... [2024-12-06 05:55:54,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:54" (1/1) ... [2024-12-06 05:55:54,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:54" (1/1) ... [2024-12-06 05:55:54,245 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:54" (1/1) ... [2024-12-06 05:55:54,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:54" (1/1) ... [2024-12-06 05:55:54,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:54" (1/1) ... [2024-12-06 05:55:54,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:54" (1/1) ... [2024-12-06 05:55:54,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:54" (1/1) ... [2024-12-06 05:55:54,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:55:54,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:55:54,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:55:54,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:55:54,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:54" (1/1) ... [2024-12-06 05:55:54,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:55:54,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:55:54,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:55:54,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:55:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:55:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:55:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:55:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:55:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:55:54,421 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:55:54,422 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:55:54,599 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-12-06 05:55:54,599 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:55:54,782 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:55:54,782 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:55:54,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:55:54 BoogieIcfgContainer [2024-12-06 05:55:54,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:55:54,784 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:55:54,784 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:55:54,793 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:55:54,793 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:55:54" (1/1) ... [2024-12-06 05:55:54,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:55:54,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 05:55:54,843 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 05:55:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:55:54,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:54,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:55:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:55:55,053 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:55:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:55:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:55:55,176 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:55:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:55:55,214 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:55:55,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:55:55 ImpRootNode [2024-12-06 05:55:55,238 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:55:55,239 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:55:55,239 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:55:55,239 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:55:55,240 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:55:54" (3/4) ... [2024-12-06 05:55:55,242 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:55:55,243 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:55:55,244 INFO L158 Benchmark]: Toolchain (without parser) took 1965.94ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 88.1MB in the end (delta: 25.7MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-12-06 05:55:55,245 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:55:55,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 906.81ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 53.5MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 05:55:55,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.30ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 111.4MB in the end (delta: -57.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-12-06 05:55:55,246 INFO L158 Benchmark]: Boogie Preprocessor took 21.56ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 110.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:55:55,246 INFO L158 Benchmark]: RCFGBuilder took 529.72ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 69.1MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 05:55:55,246 INFO L158 Benchmark]: CodeCheck took 454.89ms. Allocated memory is still 142.6MB. Free memory was 69.1MB in the beginning and 88.2MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:55:55,247 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 88.1MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:55:55,249 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1559]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [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)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 906.81ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 53.5MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.30ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 111.4MB in the end (delta: -57.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.56ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 110.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 529.72ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 69.1MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 454.89ms. Allocated memory is still 142.6MB. Free memory was 69.1MB in the beginning and 88.2MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 88.1MB 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 05:55:55,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/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_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/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_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/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_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/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 24f502f513783ce5a0195ebf41a7db9e851f5ce9cb655e743264341368add47d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:55:57,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:55:57,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 05:55:57,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:55:57,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:55:57,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:55:57,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:55:57,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:55:57,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:55:57,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:55:57,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:55:57,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:55:57,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:55:57,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:55:57,319 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:55:57,319 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:55:57,319 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:55:57,319 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:55:57,319 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:55:57,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:55:57,319 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:55:57,319 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:55:57,319 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:55:57,320 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:55:57,320 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:55:57,320 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:57,320 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:55:57,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:55:57,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:55:57,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:55:57,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:55:57,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:55:57,320 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:55:57,321 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:57,321 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:55:57,321 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_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/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 -> 24f502f513783ce5a0195ebf41a7db9e851f5ce9cb655e743264341368add47d [2024-12-06 05:55:57,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:55:57,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:55:57,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:55:57,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:55:57,551 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:55:57,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i [2024-12-06 05:56:00,256 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/data/9a0cb92b7/9bdf97873b264bde8404267ae6d72de0/FLAGff944ec9d [2024-12-06 05:56:00,536 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:56:00,537 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i [2024-12-06 05:56:00,558 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/data/9a0cb92b7/9bdf97873b264bde8404267ae6d72de0/FLAGff944ec9d [2024-12-06 05:56:00,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/data/9a0cb92b7/9bdf97873b264bde8404267ae6d72de0 [2024-12-06 05:56:00,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:56:00,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:56:00,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:56:00,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:56:00,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:56:00,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:56:00" (1/1) ... [2024-12-06 05:56:00,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45368424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:00, skipping insertion in model container [2024-12-06 05:56:00,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:56:00" (1/1) ... [2024-12-06 05:56:00,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:56:01,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:56:01,476 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:56:01,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:56:01,664 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:56:01,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:01 WrapperNode [2024-12-06 05:56:01,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:56:01,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:56:01,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:56:01,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:56:01,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:01" (1/1) ... [2024-12-06 05:56:01,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:01" (1/1) ... [2024-12-06 05:56:01,713 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-12-06 05:56:01,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:56:01,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:56:01,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:56:01,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:56:01,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:01" (1/1) ... [2024-12-06 05:56:01,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:01" (1/1) ... [2024-12-06 05:56:01,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:01" (1/1) ... [2024-12-06 05:56:01,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:01" (1/1) ... [2024-12-06 05:56:01,731 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:01" (1/1) ... [2024-12-06 05:56:01,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:01" (1/1) ... [2024-12-06 05:56:01,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:01" (1/1) ... [2024-12-06 05:56:01,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:01" (1/1) ... [2024-12-06 05:56:01,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:01" (1/1) ... [2024-12-06 05:56:01,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:56:01,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:56:01,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:56:01,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:56:01,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:01" (1/1) ... [2024-12-06 05:56:01,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:56:01,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:56:01,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:56:01,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:56:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:56:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:56:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:56:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:56:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:56:01,913 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:56:01,914 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:56:02,016 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 05:56:02,016 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:56:02,074 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:56:02,074 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:56:02,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:56:02 BoogieIcfgContainer [2024-12-06 05:56:02,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:56:02,075 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:56:02,075 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:56:02,082 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:56:02,083 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:56:02" (1/1) ... [2024-12-06 05:56:02,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:56:02,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 05:56:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 05:56:02,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:56:02,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:02,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:56:02,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:56:02,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:56:02,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:56:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:56:02,277 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:56:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:56:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:56:02,371 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:56:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:56:02,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:56:02,411 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:56:02,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:56:02 ImpRootNode [2024-12-06 05:56:02,434 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:56:02,435 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:56:02,435 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:56:02,435 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:56:02,436 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:56:02" (3/4) ... [2024-12-06 05:56:02,437 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:56:02,476 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 05:56:02,519 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:56:02,520 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:56:02,520 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:56:02,520 INFO L158 Benchmark]: Toolchain (without parser) took 1709.30ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 56.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-12-06 05:56:02,520 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:56:02,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 852.80ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 32.1MB in the end (delta: 34.3MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-12-06 05:56:02,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.57ms. Allocated memory is still 92.3MB. Free memory was 32.1MB in the beginning and 64.5MB in the end (delta: -32.4MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-12-06 05:56:02,521 INFO L158 Benchmark]: Boogie Preprocessor took 25.11ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 62.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:56:02,521 INFO L158 Benchmark]: RCFGBuilder took 334.72ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 44.6MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:56:02,522 INFO L158 Benchmark]: CodeCheck took 359.25ms. Allocated memory is still 92.3MB. Free memory was 44.6MB in the beginning and 61.8MB in the end (delta: -17.2MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-12-06 05:56:02,522 INFO L158 Benchmark]: Witness Printer took 84.61ms. Allocated memory is still 92.3MB. Free memory was 61.3MB in the beginning and 56.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:56:02,523 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1559]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [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)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --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 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 852.80ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 32.1MB in the end (delta: 34.3MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.57ms. Allocated memory is still 92.3MB. Free memory was 32.1MB in the beginning and 64.5MB in the end (delta: -32.4MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.11ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 62.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.72ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 44.6MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 359.25ms. Allocated memory is still 92.3MB. Free memory was 44.6MB in the beginning and 61.8MB in the end (delta: -17.2MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Witness Printer took 84.61ms. Allocated memory is still 92.3MB. Free memory was 61.3MB in the beginning and 56.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:56:02,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d0479d-fb0c-4cc4-8f84-5d6fc3f55948/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)