./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_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_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/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_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/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_df68923f-10a5-45c8-93b4-b887385bb7f2/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 bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:29:04,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:29:04,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:29:04,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:29:04,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:29:04,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:29:04,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:29:04,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:29:04,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:29:04,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:29:04,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:29:04,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:29:04,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:29:04,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:29:04,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:29:04,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:29:04,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:29:04,394 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:29:04,394 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:29:04,394 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:29:04,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:29:04,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:29:04,394 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:29:04,394 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:29:04,394 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:29:04,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:29:04,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:29:04,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:29:04,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:29:04,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:29:04,395 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:29:04,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:29:04,395 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_df68923f-10a5-45c8-93b4-b887385bb7f2/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 -> bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def [2024-11-13 22:29:04,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:29:04,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:29:04,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:29:04,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:29:04,692 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:29:04,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i Unable to find full path for "g++" [2024-11-13 22:29:06,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:29:07,318 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:29:07,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2024-11-13 22:29:07,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/data/73b4d730e/354677bcbeb54b63877173ae05be9351/FLAG002e8dc8c [2024-11-13 22:29:07,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/data/73b4d730e/354677bcbeb54b63877173ae05be9351 [2024-11-13 22:29:07,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:29:07,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:29:07,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:29:07,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:29:07,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:29:07,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:29:07" (1/1) ... [2024-11-13 22:29:07,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2842f084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:07, skipping insertion in model container [2024-11-13 22:29:07,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:29:07" (1/1) ... [2024-11-13 22:29:07,519 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:29:08,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:29:08,771 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:29:08,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:29:09,115 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:29:09,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:09 WrapperNode [2024-11-13 22:29:09,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:29:09,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:29:09,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:29:09,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:29:09,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:09" (1/1) ... [2024-11-13 22:29:09,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:09" (1/1) ... [2024-11-13 22:29:09,214 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 103 [2024-11-13 22:29:09,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:29:09,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:29:09,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:29:09,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:29:09,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:09" (1/1) ... [2024-11-13 22:29:09,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:09" (1/1) ... [2024-11-13 22:29:09,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:09" (1/1) ... [2024-11-13 22:29:09,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:09" (1/1) ... [2024-11-13 22:29:09,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:09" (1/1) ... [2024-11-13 22:29:09,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:09" (1/1) ... [2024-11-13 22:29:09,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:09" (1/1) ... [2024-11-13 22:29:09,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:09" (1/1) ... [2024-11-13 22:29:09,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:29:09,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:29:09,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:29:09,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:29:09,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:09" (1/1) ... [2024-11-13 22:29:09,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:29:09,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:29:09,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:29:09,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:29:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:29:09,344 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:29:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:29:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:29:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:29:09,563 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:29:09,565 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:29:09,873 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-13 22:29:09,873 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:29:10,240 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:29:10,240 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:29:10,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:29:10 BoogieIcfgContainer [2024-11-13 22:29:10,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:29:10,242 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:29:10,242 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:29:10,254 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:29:10,255 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:29:10" (1/1) ... [2024-11-13 22:29:10,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:29:10,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:10,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:29:10,342 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:29:10,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:29:10,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:10,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:29:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:29:10,680 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:29:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:29:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:29:10,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:29:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:29:11,051 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:29:11,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:29:11 ImpRootNode [2024-11-13 22:29:11,102 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:29:11,104 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:29:11,105 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:29:11,105 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:29:11,107 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:29:10" (3/4) ... [2024-11-13 22:29:11,110 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:29:11,111 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:29:11,112 INFO L158 Benchmark]: Toolchain (without parser) took 3710.34ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 53.9MB in the end (delta: 35.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-13 22:29:11,115 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 75.1MB in the end (delta: 98.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:29:11,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1712.55ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 79.7MB in the end (delta: 9.3MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-13 22:29:11,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.15ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:29:11,117 INFO L158 Benchmark]: Boogie Preprocessor took 35.61ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:29:11,117 INFO L158 Benchmark]: RCFGBuilder took 989.16ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 87.6MB in the end (delta: -12.2MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-11-13 22:29:11,118 INFO L158 Benchmark]: CodeCheck took 860.65ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 53.9MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:29:11,118 INFO L158 Benchmark]: Witness Printer took 7.64ms. Allocated memory is still 117.4MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:29:11,124 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: 0.8s, 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 - UnprovableResult [Line: 1578]: 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_multiply_53_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_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_53d_badSink(data) [L1576] COND TRUE data < 0 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] [L1578] data * 2 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 0.46ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 75.1MB in the end (delta: 98.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1712.55ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 79.7MB in the end (delta: 9.3MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.15ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.61ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 989.16ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 87.6MB in the end (delta: -12.2MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * CodeCheck took 860.65ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 53.9MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 7.64ms. Allocated memory is still 117.4MB. Free memory is still 53.9MB. 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 22:29:11,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/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_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/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_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/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_df68923f-10a5-45c8-93b4-b887385bb7f2/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 bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:29:14,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:29:14,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:29:14,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:29:14,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:29:14,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:29:14,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:29:14,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:29:14,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:29:14,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:29:14,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:29:14,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:29:14,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:29:14,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:29:14,646 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:29:14,647 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:29:14,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:29:14,652 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:29:14,653 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:29:14,653 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:29:14,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:29:14,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:29:14,657 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:29:14,657 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:29:14,657 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:29:14,657 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:14,657 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:29:14,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:29:14,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:29:14,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:29:14,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:29:14,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:29:14,658 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:29:14,658 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:14,658 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:29:14,658 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_df68923f-10a5-45c8-93b4-b887385bb7f2/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 -> bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def [2024-11-13 22:29:14,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:29:14,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:29:15,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:29:15,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:29:15,004 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:29:15,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i Unable to find full path for "g++" [2024-11-13 22:29:17,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:29:17,945 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:29:17,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2024-11-13 22:29:17,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/data/2917c0ccc/3ce6a2060b0d44b98cf98329145e410b/FLAG47949071e [2024-11-13 22:29:18,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/data/2917c0ccc/3ce6a2060b0d44b98cf98329145e410b [2024-11-13 22:29:18,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:29:18,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:29:18,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:29:18,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:29:18,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:29:18,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:29:18" (1/1) ... [2024-11-13 22:29:18,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1716e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:18, skipping insertion in model container [2024-11-13 22:29:18,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:29:18" (1/1) ... [2024-11-13 22:29:18,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:29:19,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:29:19,814 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:29:19,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:29:20,142 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:29:20,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:20 WrapperNode [2024-11-13 22:29:20,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:29:20,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:29:20,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:29:20,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:29:20,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:20" (1/1) ... [2024-11-13 22:29:20,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:20" (1/1) ... [2024-11-13 22:29:20,213 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 63 [2024-11-13 22:29:20,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:29:20,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:29:20,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:29:20,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:29:20,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:20" (1/1) ... [2024-11-13 22:29:20,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:20" (1/1) ... [2024-11-13 22:29:20,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:20" (1/1) ... [2024-11-13 22:29:20,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:20" (1/1) ... [2024-11-13 22:29:20,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:20" (1/1) ... [2024-11-13 22:29:20,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:20" (1/1) ... [2024-11-13 22:29:20,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:20" (1/1) ... [2024-11-13 22:29:20,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:20" (1/1) ... [2024-11-13 22:29:20,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:29:20,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:29:20,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:29:20,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:29:20,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:20" (1/1) ... [2024-11-13 22:29:20,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:29:20,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:29:20,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:29:20,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:29:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:29:20,355 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:29:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:29:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:29:20,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:29:20,576 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:29:20,579 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:29:20,787 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-13 22:29:20,788 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:29:20,900 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:29:20,900 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:29:20,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:29:20 BoogieIcfgContainer [2024-11-13 22:29:20,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:29:20,902 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:29:20,902 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:29:20,919 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:29:20,919 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:29:20" (1/1) ... [2024-11-13 22:29:20,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:29:20,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:29:20,988 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:29:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:29:20,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:20,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:20,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:20,997 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:20,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:29:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:29:21,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:29:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:29:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:29:21,431 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:29:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:29:21,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:29:21,504 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:29:21,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:29:21 ImpRootNode [2024-11-13 22:29:21,547 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:29:21,548 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:29:21,549 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:29:21,549 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:29:21,550 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:29:20" (3/4) ... [2024-11-13 22:29:21,555 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:29:21,556 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:29:21,557 INFO L158 Benchmark]: Toolchain (without parser) took 3109.17ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 81.9MB in the end (delta: 7.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-13 22:29:21,557 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:29:21,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1693.32ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 69.1MB in the end (delta: 20.0MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-11-13 22:29:21,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.11ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 66.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:29:21,561 INFO L158 Benchmark]: Boogie Preprocessor took 38.84ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 64.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:29:21,561 INFO L158 Benchmark]: RCFGBuilder took 647.48ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 46.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:29:21,565 INFO L158 Benchmark]: CodeCheck took 645.28ms. Allocated memory is still 117.4MB. Free memory was 46.5MB in the beginning and 82.0MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:29:21,566 INFO L158 Benchmark]: Witness Printer took 8.10ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:29:21,570 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: 0.6s, 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, 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 - UnprovableResult [Line: 1578]: 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_multiply_53_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_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_53d_badSink(data) [L1576] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 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 0.44ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1693.32ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 69.1MB in the end (delta: 20.0MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.11ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 66.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.84ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 64.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 647.48ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 46.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 645.28ms. Allocated memory is still 117.4MB. Free memory was 46.5MB in the beginning and 82.0MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.10ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:29:21,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df68923f-10a5-45c8-93b4-b887385bb7f2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample