./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_45_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_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/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_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/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_189ff455-524d-44ba-a1e9-d988caadbde8/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 c05c0753683d1aab4bbe2ae982e8c3961d5c34e044217e8023114e770805811e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:17:52,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:17:52,669 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:17:52,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:17:52,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:17:52,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:17:52,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:17:52,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:17:52,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:17:52,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:17:52,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:17:52,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:17:52,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:17:52,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:17:52,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:17:52,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:17:52,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:17:52,735 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:17:52,735 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:17:52,735 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:17:52,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:17:52,735 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:17:52,736 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:17:52,736 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:17:52,736 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:17:52,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:17:52,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:17:52,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:17:52,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:17:52,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:17:52,736 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:17:52,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:17:52,737 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_189ff455-524d-44ba-a1e9-d988caadbde8/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 -> c05c0753683d1aab4bbe2ae982e8c3961d5c34e044217e8023114e770805811e [2024-11-13 23:17:53,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:17:53,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:17:53,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:17:53,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:17:53,125 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:17:53,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_45_bad.i Unable to find full path for "g++" [2024-11-13 23:17:55,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:17:55,608 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:17:55,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_45_bad.i [2024-11-13 23:17:55,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/data/91d94da85/752709b312144ce59391209f80c7fdde/FLAG090c202ef [2024-11-13 23:17:55,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/data/91d94da85/752709b312144ce59391209f80c7fdde [2024-11-13 23:17:55,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:17:55,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:17:55,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:17:55,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:17:55,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:17:55,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:17:55" (1/1) ... [2024-11-13 23:17:55,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2738d207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:55, skipping insertion in model container [2024-11-13 23:17:55,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:17:55" (1/1) ... [2024-11-13 23:17:55,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:17:57,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:17:57,065 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:17:57,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:17:57,348 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:17:57,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:57 WrapperNode [2024-11-13 23:17:57,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:17:57,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:17:57,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:17:57,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:17:57,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:57" (1/1) ... [2024-11-13 23:17:57,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:57" (1/1) ... [2024-11-13 23:17:57,423 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-13 23:17:57,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:17:57,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:17:57,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:17:57,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:17:57,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:57" (1/1) ... [2024-11-13 23:17:57,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:57" (1/1) ... [2024-11-13 23:17:57,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:57" (1/1) ... [2024-11-13 23:17:57,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:57" (1/1) ... [2024-11-13 23:17:57,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:57" (1/1) ... [2024-11-13 23:17:57,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:57" (1/1) ... [2024-11-13 23:17:57,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:57" (1/1) ... [2024-11-13 23:17:57,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:57" (1/1) ... [2024-11-13 23:17:57,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:17:57,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:17:57,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:17:57,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:17:57,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:57" (1/1) ... [2024-11-13 23:17:57,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:17:57,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:17:57,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:17:57,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:17:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:17:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:17:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:17:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:17:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:17:57,775 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:17:57,776 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:17:58,064 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-13 23:17:58,064 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:17:58,338 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:17:58,338 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:17:58,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:17:58 BoogieIcfgContainer [2024-11-13 23:17:58,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:17:58,340 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:17:58,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:17:58,352 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:17:58,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:17:58" (1/1) ... [2024-11-13 23:17:58,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:17:58,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:17:58,429 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:17:58,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:17:58,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:58,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:17:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:17:58,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:17:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:17:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:17:58,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:17:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:17:59,051 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:17:59,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:17:59 ImpRootNode [2024-11-13 23:17:59,093 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:17:59,095 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:17:59,095 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:17:59,096 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:17:59,096 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:17:58" (3/4) ... [2024-11-13 23:17:59,100 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:17:59,101 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:17:59,103 INFO L158 Benchmark]: Toolchain (without parser) took 3442.49ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 50.9MB in the end (delta: 62.5MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2024-11-13 23:17:59,103 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:59,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1687.55ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 53.0MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 23:17:59,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.74ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 50.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:59,104 INFO L158 Benchmark]: Boogie Preprocessor took 48.18ms. Allocated memory is still 142.6MB. Free memory was 50.3MB in the beginning and 49.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:59,105 INFO L158 Benchmark]: RCFGBuilder took 866.19ms. Allocated memory is still 142.6MB. Free memory was 49.2MB in the beginning and 82.0MB in the end (delta: -32.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-13 23:17:59,105 INFO L158 Benchmark]: CodeCheck took 753.13ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 51.5MB in the end (delta: 30.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:17:59,105 INFO L158 Benchmark]: Witness Printer took 6.29ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 50.9MB in the end (delta: 678.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:59,111 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: 1555]: 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 1570, overapproximation of bitwiseOr at line 1563. 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); [L1548] static int CWE191_Integer_Underflow__int_rand_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData; [L1570] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, 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) [L1570] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1563] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CWE191_Integer_Underflow__int_rand_sub_45_badData = data [L1565] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_sub_45_badData; VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, 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] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, 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 is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1687.55ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 53.0MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.74ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 50.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.18ms. Allocated memory is still 142.6MB. Free memory was 50.3MB in the beginning and 49.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 866.19ms. Allocated memory is still 142.6MB. Free memory was 49.2MB in the beginning and 82.0MB in the end (delta: -32.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * CodeCheck took 753.13ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 51.5MB in the end (delta: 30.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 6.29ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 50.9MB in the end (delta: 678.4kB). 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 23:17:59,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/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 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_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/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_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/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_189ff455-524d-44ba-a1e9-d988caadbde8/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 c05c0753683d1aab4bbe2ae982e8c3961d5c34e044217e8023114e770805811e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:18:02,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:18:02,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:18:02,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:18:02,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:18:02,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:18:02,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:18:02,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:18:02,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:18:02,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:18:02,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:18:02,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:18:02,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:18:02,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:18:02,365 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:18:02,366 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:18:02,367 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:18:02,367 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:18:02,367 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:18:02,367 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:18:02,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:18:02,368 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:18:02,368 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:18:02,368 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:18:02,368 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:18:02,368 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:02,368 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:18:02,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:18:02,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:02,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:18:02,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:18:02,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:18:02,369 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:18:02,369 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:02,369 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:18:02,369 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_189ff455-524d-44ba-a1e9-d988caadbde8/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 -> c05c0753683d1aab4bbe2ae982e8c3961d5c34e044217e8023114e770805811e [2024-11-13 23:18:02,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:18:02,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:18:02,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:18:02,780 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:18:02,781 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:18:02,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_45_bad.i Unable to find full path for "g++" [2024-11-13 23:18:04,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:18:05,343 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:18:05,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_45_bad.i [2024-11-13 23:18:05,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/data/c3d2e2f7d/6238ab85181845e0826869c213047dc3/FLAG84e7af83a [2024-11-13 23:18:05,419 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/data/c3d2e2f7d/6238ab85181845e0826869c213047dc3 [2024-11-13 23:18:05,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:18:05,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:18:05,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:05,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:18:05,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:18:05,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:05" (1/1) ... [2024-11-13 23:18:05,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ec34a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:05, skipping insertion in model container [2024-11-13 23:18:05,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:05" (1/1) ... [2024-11-13 23:18:05,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:18:06,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:06,801 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:18:06,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:07,109 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:18:07,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:07 WrapperNode [2024-11-13 23:18:07,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:07,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:07,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:18:07,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:18:07,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:07" (1/1) ... [2024-11-13 23:18:07,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:07" (1/1) ... [2024-11-13 23:18:07,180 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-11-13 23:18:07,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:07,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:18:07,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:18:07,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:18:07,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:07" (1/1) ... [2024-11-13 23:18:07,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:07" (1/1) ... [2024-11-13 23:18:07,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:07" (1/1) ... [2024-11-13 23:18:07,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:07" (1/1) ... [2024-11-13 23:18:07,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:07" (1/1) ... [2024-11-13 23:18:07,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:07" (1/1) ... [2024-11-13 23:18:07,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:07" (1/1) ... [2024-11-13 23:18:07,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:07" (1/1) ... [2024-11-13 23:18:07,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:18:07,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:18:07,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:18:07,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:18:07,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:07" (1/1) ... [2024-11-13 23:18:07,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:07,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:18:07,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:18:07,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:18:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:18:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:18:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:18:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:18:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:18:07,491 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:18:07,493 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:18:07,651 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 23:18:07,651 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:18:07,766 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:18:07,766 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:18:07,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:07 BoogieIcfgContainer [2024-11-13 23:18:07,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:18:07,767 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:18:07,768 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:18:07,780 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:18:07,780 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:07" (1/1) ... [2024-11-13 23:18:07,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:18:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:07,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:18:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:18:07,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:18:07,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:07,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:07,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:07,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:07,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:18:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:18:08,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:18:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:18:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:18:08,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:18:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:18:08,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:08,335 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:18:08,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:18:08 ImpRootNode [2024-11-13 23:18:08,378 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:18:08,380 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:18:08,380 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:18:08,380 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:18:08,381 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:07" (3/4) ... [2024-11-13 23:18:08,385 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:18:08,386 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:18:08,388 INFO L158 Benchmark]: Toolchain (without parser) took 2963.76ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 79.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-13 23:18:08,389 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:08,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1683.42ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 67.3MB in the end (delta: 22.4MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-13 23:18:08,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.97ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 64.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:08,390 INFO L158 Benchmark]: Boogie Preprocessor took 34.39ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 62.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:08,393 INFO L158 Benchmark]: RCFGBuilder took 550.39ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 45.1MB in the end (delta: 17.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:18:08,393 INFO L158 Benchmark]: CodeCheck took 611.05ms. Allocated memory is still 117.4MB. Free memory was 45.1MB in the beginning and 80.6MB in the end (delta: -35.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:08,393 INFO L158 Benchmark]: Witness Printer took 6.80ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.9MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:08,398 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: 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 1570. 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); [L1548] static int CWE191_Integer_Underflow__int_rand_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData; [L1570] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, 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) [L1570] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CWE191_Integer_Underflow__int_rand_sub_45_badData = data [L1565] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_sub_45_badData; VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, 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] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, 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 0.58ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1683.42ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 67.3MB in the end (delta: 22.4MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.97ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 64.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.39ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 62.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 550.39ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 45.1MB in the end (delta: 17.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 611.05ms. Allocated memory is still 117.4MB. Free memory was 45.1MB in the beginning and 80.6MB in the end (delta: -35.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.80ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.9MB in the end (delta: 35.5kB). 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 23:18:08,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189ff455-524d-44ba-a1e9-d988caadbde8/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