./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm --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 e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:49:05,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:49:05,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:49:05,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:49:05,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:49:05,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:49:05,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:49:05,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:49:05,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:49:05,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:49:05,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:49:05,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:49:05,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:49:05,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:49:05,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:49:05,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:49:05,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:49:05,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:49:05,922 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:49:05,922 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:49:05,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:49:05,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:49:05,923 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:49:05,923 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:49:05,923 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:49:05,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:49:05,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:05,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:49:05,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:49:05,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:49:05,924 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:49:05,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:49:05,924 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_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm 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 -> e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 [2024-11-13 20:49:06,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:49:06,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:49:06,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:49:06,261 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:49:06,262 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:49:06,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i Unable to find full path for "g++" [2024-11-13 20:49:08,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:49:08,795 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:49:08,796 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i [2024-11-13 20:49:08,827 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/data/7c1a3a486/f617fd676e6d4bc9b6dc014e69120946/FLAG36b1ebff2 [2024-11-13 20:49:08,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/data/7c1a3a486/f617fd676e6d4bc9b6dc014e69120946 [2024-11-13 20:49:08,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:49:08,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:49:08,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:08,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:49:08,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:49:08,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:08" (1/1) ... [2024-11-13 20:49:08,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3757a758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:08, skipping insertion in model container [2024-11-13 20:49:08,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:08" (1/1) ... [2024-11-13 20:49:08,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:49:09,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:09,871 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:49:09,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:10,120 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:49:10,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:10 WrapperNode [2024-11-13 20:49:10,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:10,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:10,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:49:10,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:49:10,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:10" (1/1) ... [2024-11-13 20:49:10,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:10" (1/1) ... [2024-11-13 20:49:10,164 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2024-11-13 20:49:10,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:10,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:49:10,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:49:10,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:49:10,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:10" (1/1) ... [2024-11-13 20:49:10,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:10" (1/1) ... [2024-11-13 20:49:10,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:10" (1/1) ... [2024-11-13 20:49:10,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:10" (1/1) ... [2024-11-13 20:49:10,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:10" (1/1) ... [2024-11-13 20:49:10,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:10" (1/1) ... [2024-11-13 20:49:10,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:10" (1/1) ... [2024-11-13 20:49:10,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:10" (1/1) ... [2024-11-13 20:49:10,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:49:10,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:49:10,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:49:10,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:49:10,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:10" (1/1) ... [2024-11-13 20:49:10,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:10,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:49:10,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:49:10,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:49:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:49:10,286 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:49:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:49:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:49:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:49:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:49:10,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:49:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:49:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:49:10,455 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:49:10,457 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:49:10,781 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-13 20:49:10,781 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:49:11,134 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:49:11,134 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:49:11,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:11 BoogieIcfgContainer [2024-11-13 20:49:11,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:49:11,136 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:49:11,136 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:49:11,147 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:49:11,147 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:11" (1/1) ... [2024-11-13 20:49:11,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:49:11,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:11,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:49:11,226 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:49:11,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:49:11,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:11,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:11,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:49:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:11,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:49:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:11,842 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:49:11,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:49:11 ImpRootNode [2024-11-13 20:49:11,878 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:49:11,880 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:49:11,880 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:49:11,881 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:49:11,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:11" (3/4) ... [2024-11-13 20:49:11,885 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:49:11,886 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:49:11,887 INFO L158 Benchmark]: Toolchain (without parser) took 3031.73ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 114.9MB in the beginning and 308.0MB in the end (delta: -193.0MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2024-11-13 20:49:11,888 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:11,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1264.19ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 114.9MB in the beginning and 392.2MB in the end (delta: -277.3MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 20:49:11,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.54ms. Allocated memory is still 427.8MB. Free memory was 392.2MB in the beginning and 389.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:11,890 INFO L158 Benchmark]: Boogie Preprocessor took 23.92ms. Allocated memory is still 427.8MB. Free memory was 388.9MB in the beginning and 387.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:11,894 INFO L158 Benchmark]: RCFGBuilder took 945.49ms. Allocated memory is still 427.8MB. Free memory was 387.7MB in the beginning and 345.7MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 20:49:11,894 INFO L158 Benchmark]: CodeCheck took 742.09ms. Allocated memory is still 427.8MB. Free memory was 345.7MB in the beginning and 308.0MB in the end (delta: 37.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:49:11,895 INFO L158 Benchmark]: Witness Printer took 6.25ms. Allocated memory is still 427.8MB. Free memory is still 308.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:11,897 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: 0.7s, 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 - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559, overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [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 0.45ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1264.19ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 114.9MB in the beginning and 392.2MB in the end (delta: -277.3MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.54ms. Allocated memory is still 427.8MB. Free memory was 392.2MB in the beginning and 389.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.92ms. Allocated memory is still 427.8MB. Free memory was 388.9MB in the beginning and 387.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 945.49ms. Allocated memory is still 427.8MB. Free memory was 387.7MB in the beginning and 345.7MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 742.09ms. Allocated memory is still 427.8MB. Free memory was 345.7MB in the beginning and 308.0MB in the end (delta: 37.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 6.25ms. Allocated memory is still 427.8MB. Free memory is still 308.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:49:11,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/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_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm --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 e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:49:14,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:49:14,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:49:14,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:49:14,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:49:14,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:49:14,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:49:14,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:49:14,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:49:14,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:49:14,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:49:14,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:49:14,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:49:14,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:49:14,995 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:49:14,995 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:49:14,995 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:49:14,995 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:49:14,995 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:49:14,996 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:49:14,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:49:14,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:49:14,996 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:49:14,996 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:49:14,996 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:49:14,996 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:14,996 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:49:14,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:49:14,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:14,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:49:14,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:49:14,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:49:14,997 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:49:14,997 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:14,997 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:49:14,997 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_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm 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 -> e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 [2024-11-13 20:49:15,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:49:15,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:49:15,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:49:15,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:49:15,419 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:49:15,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i Unable to find full path for "g++" [2024-11-13 20:49:17,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:49:18,063 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:49:18,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i [2024-11-13 20:49:18,094 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/data/89cdf7586/1106e0c82b1242b8bfce3f515113c6bb/FLAG46e28c1f5 [2024-11-13 20:49:18,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/data/89cdf7586/1106e0c82b1242b8bfce3f515113c6bb [2024-11-13 20:49:18,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:49:18,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:49:18,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:18,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:49:18,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:49:18,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:18" (1/1) ... [2024-11-13 20:49:18,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7215bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:18, skipping insertion in model container [2024-11-13 20:49:18,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:18" (1/1) ... [2024-11-13 20:49:18,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:49:19,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:19,660 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:49:19,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:20,036 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:49:20,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:20 WrapperNode [2024-11-13 20:49:20,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:20,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:20,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:49:20,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:49:20,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:20" (1/1) ... [2024-11-13 20:49:20,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:20" (1/1) ... [2024-11-13 20:49:20,102 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-11-13 20:49:20,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:20,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:49:20,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:49:20,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:49:20,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:20" (1/1) ... [2024-11-13 20:49:20,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:20" (1/1) ... [2024-11-13 20:49:20,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:20" (1/1) ... [2024-11-13 20:49:20,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:20" (1/1) ... [2024-11-13 20:49:20,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:20" (1/1) ... [2024-11-13 20:49:20,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:20" (1/1) ... [2024-11-13 20:49:20,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:20" (1/1) ... [2024-11-13 20:49:20,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:20" (1/1) ... [2024-11-13 20:49:20,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:49:20,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:49:20,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:49:20,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:49:20,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:20" (1/1) ... [2024-11-13 20:49:20,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:20,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:49:20,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:49:20,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:49:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:49:20,208 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:49:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:49:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:49:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:49:20,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:49:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:49:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:49:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:49:20,426 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:49:20,429 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:49:20,647 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 20:49:20,647 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:49:20,778 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:49:20,779 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:49:20,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:20 BoogieIcfgContainer [2024-11-13 20:49:20,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:49:20,780 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:49:20,781 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:49:20,801 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:49:20,801 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:20" (1/1) ... [2024-11-13 20:49:20,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:49:20,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:20,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:49:20,871 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:49:20,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:49:20,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:20,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:20,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:20,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:20,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:49:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:21,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:49:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:21,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:49:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:21,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:49:21,401 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:49:21,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:49:21 ImpRootNode [2024-11-13 20:49:21,426 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:49:21,427 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:49:21,427 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:49:21,427 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:49:21,427 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:20" (3/4) ... [2024-11-13 20:49:21,430 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:49:21,431 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:49:21,432 INFO L158 Benchmark]: Toolchain (without parser) took 3257.04ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 35.9MB in the end (delta: 21.6MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-11-13 20:49:21,432 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:21,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1861.90ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 52.4MB in the end (delta: 4.8MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 20:49:21,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.03ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 49.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:21,433 INFO L158 Benchmark]: Boogie Preprocessor took 28.76ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:21,434 INFO L158 Benchmark]: RCFGBuilder took 645.98ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 52.7MB in the end (delta: -4.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-11-13 20:49:21,434 INFO L158 Benchmark]: CodeCheck took 645.56ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 36.4MB in the end (delta: 16.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:49:21,434 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 83.9MB. Free memory is still 35.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:21,436 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: 0.6s, 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 - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [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 0.31ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1861.90ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 52.4MB in the end (delta: 4.8MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.03ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 49.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.76ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 645.98ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 52.7MB in the end (delta: -4.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * CodeCheck took 645.56ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 36.4MB in the end (delta: 16.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 83.9MB. Free memory is still 35.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:49:21,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e06f7a-455e-4493-9f1a-ddbea54a6950/bin/ukojak-verify-EEHR8qb7sm/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 Result: UNKNOWN: Overapproximated counterexample