./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_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_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/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_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/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_524313fc-9f68-430a-999a-6221bf1b6f11/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 922d2e97744354ceb7196fe812246908bd535818a6f3f24824fe12c3bd9ccfdc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:23:27,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:23:27,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:23:27,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:23:27,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:23:27,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:23:27,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:23:27,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:23:27,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:23:27,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:23:27,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:23:27,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:23:27,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:23:27,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:23:27,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:23:27,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:23:27,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:23:27,683 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:23:27,684 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:23:27,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:23:27,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:23:27,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:23:27,684 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:23:27,684 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:23:27,684 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:23:27,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:23:27,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:23:27,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:23:27,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:23:27,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:23:27,685 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:23:27,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:23:27,685 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_524313fc-9f68-430a-999a-6221bf1b6f11/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 -> 922d2e97744354ceb7196fe812246908bd535818a6f3f24824fe12c3bd9ccfdc [2024-11-13 22:23:28,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:23:28,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:23:28,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:23:28,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:23:28,025 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:23:28,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_45_bad.i Unable to find full path for "g++" [2024-11-13 22:23:29,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:23:30,301 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:23:30,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_45_bad.i [2024-11-13 22:23:30,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/data/cd9b25b3d/6febca76f6dd47c2b42090db7fab9f8d/FLAGd757af7f3 [2024-11-13 22:23:30,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/data/cd9b25b3d/6febca76f6dd47c2b42090db7fab9f8d [2024-11-13 22:23:30,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:23:30,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:23:30,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:23:30,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:23:30,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:23:30,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:23:30" (1/1) ... [2024-11-13 22:23:30,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595daee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:30, skipping insertion in model container [2024-11-13 22:23:30,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:23:30" (1/1) ... [2024-11-13 22:23:30,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:23:31,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:23:31,296 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:23:31,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:23:31,522 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:23:31,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:31 WrapperNode [2024-11-13 22:23:31,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:23:31,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:23:31,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:23:31,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:23:31,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:31" (1/1) ... [2024-11-13 22:23:31,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:31" (1/1) ... [2024-11-13 22:23:31,573 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2024-11-13 22:23:31,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:23:31,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:23:31,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:23:31,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:23:31,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:31" (1/1) ... [2024-11-13 22:23:31,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:31" (1/1) ... [2024-11-13 22:23:31,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:31" (1/1) ... [2024-11-13 22:23:31,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:31" (1/1) ... [2024-11-13 22:23:31,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:31" (1/1) ... [2024-11-13 22:23:31,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:31" (1/1) ... [2024-11-13 22:23:31,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:31" (1/1) ... [2024-11-13 22:23:31,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:31" (1/1) ... [2024-11-13 22:23:31,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:23:31,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:23:31,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:23:31,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:23:31,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:31" (1/1) ... [2024-11-13 22:23:31,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:23:31,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:23:31,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:23:31,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:23:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:23:31,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:23:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:23:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:23:31,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:23:31,854 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:23:31,856 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:23:31,987 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 22:23:31,987 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:23:32,034 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:23:32,034 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:23:32,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:23:32 BoogieIcfgContainer [2024-11-13 22:23:32,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:23:32,035 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:23:32,039 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:23:32,050 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:23:32,050 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:23:32" (1/1) ... [2024-11-13 22:23:32,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:23:32,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:32,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:23:32,126 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:23:32,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:23:32,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:32,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:23:32,271 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:23:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:23:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:23:32,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:23:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:23:32,407 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:23:32,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:23:32 ImpRootNode [2024-11-13 22:23:32,432 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:23:32,433 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:23:32,433 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:23:32,433 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:23:32,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:23:32" (3/4) ... [2024-11-13 22:23:32,436 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:23:32,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:23:32,438 INFO L158 Benchmark]: Toolchain (without parser) took 2094.29ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 93.0MB in the end (delta: 21.2MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-11-13 22:23:32,438 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:23:32,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1179.06ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 55.8MB in the end (delta: 58.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 22:23:32,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.77ms. Allocated memory is still 142.6MB. Free memory was 55.8MB in the beginning and 53.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:23:32,439 INFO L158 Benchmark]: Boogie Preprocessor took 24.72ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 52.4MB in the end (delta: 874.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:23:32,440 INFO L158 Benchmark]: RCFGBuilder took 435.72ms. Allocated memory is still 142.6MB. Free memory was 52.2MB in the beginning and 108.1MB in the end (delta: -55.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-13 22:23:32,440 INFO L158 Benchmark]: CodeCheck took 396.57ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 93.6MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:23:32,440 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 93.0MB in the end (delta: 675.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:23:32,443 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 1571. 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_fscanf_predec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fscanf_predec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_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] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_45_bad() [L1562] int data; [L1563] data = 0 [L1565] CWE191_Integer_Underflow__int_fscanf_predec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fscanf_predec_45_badData; VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_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 VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1179.06ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 55.8MB in the end (delta: 58.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.77ms. Allocated memory is still 142.6MB. Free memory was 55.8MB in the beginning and 53.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.72ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 52.4MB in the end (delta: 874.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 435.72ms. Allocated memory is still 142.6MB. Free memory was 52.2MB in the beginning and 108.1MB in the end (delta: -55.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * CodeCheck took 396.57ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 93.6MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 93.0MB in the end (delta: 675.8kB). 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 22:23:32,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/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_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/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_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/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_524313fc-9f68-430a-999a-6221bf1b6f11/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 922d2e97744354ceb7196fe812246908bd535818a6f3f24824fe12c3bd9ccfdc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:23:35,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:23:35,136 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:23:35,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:23:35,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:23:35,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:23:35,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:23:35,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:23:35,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:23:35,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:23:35,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:23:35,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:23:35,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:23:35,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:23:35,197 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:23:35,198 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:23:35,198 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:23:35,198 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:23:35,198 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:23:35,198 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:23:35,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:23:35,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:23:35,199 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:23:35,199 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:23:35,199 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:23:35,199 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:35,199 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:23:35,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:23:35,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:23:35,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:23:35,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:23:35,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:23:35,200 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:23:35,200 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:35,200 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:23:35,200 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_524313fc-9f68-430a-999a-6221bf1b6f11/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 -> 922d2e97744354ceb7196fe812246908bd535818a6f3f24824fe12c3bd9ccfdc [2024-11-13 22:23:35,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:23:35,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:23:35,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:23:35,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:23:35,528 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:23:35,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_45_bad.i Unable to find full path for "g++" [2024-11-13 22:23:37,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:23:38,037 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:23:38,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_45_bad.i [2024-11-13 22:23:38,066 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/data/69ef818e7/fd304da7a398412ab325e318bc55518e/FLAG797f43f1f [2024-11-13 22:23:38,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/data/69ef818e7/fd304da7a398412ab325e318bc55518e [2024-11-13 22:23:38,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:23:38,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:23:38,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:23:38,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:23:38,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:23:38,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:23:38" (1/1) ... [2024-11-13 22:23:38,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5427cbc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:38, skipping insertion in model container [2024-11-13 22:23:38,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:23:38" (1/1) ... [2024-11-13 22:23:38,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:23:39,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:23:39,228 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:23:39,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:23:39,527 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:23:39,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:39 WrapperNode [2024-11-13 22:23:39,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:23:39,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:23:39,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:23:39,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:23:39,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:39" (1/1) ... [2024-11-13 22:23:39,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:39" (1/1) ... [2024-11-13 22:23:39,605 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-13 22:23:39,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:23:39,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:23:39,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:23:39,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:23:39,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:39" (1/1) ... [2024-11-13 22:23:39,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:39" (1/1) ... [2024-11-13 22:23:39,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:39" (1/1) ... [2024-11-13 22:23:39,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:39" (1/1) ... [2024-11-13 22:23:39,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:39" (1/1) ... [2024-11-13 22:23:39,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:39" (1/1) ... [2024-11-13 22:23:39,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:39" (1/1) ... [2024-11-13 22:23:39,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:39" (1/1) ... [2024-11-13 22:23:39,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:23:39,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:23:39,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:23:39,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:23:39,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:39" (1/1) ... [2024-11-13 22:23:39,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:23:39,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:23:39,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:23:39,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:23:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:23:39,730 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:23:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:23:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:23:39,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:23:39,906 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:23:39,909 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:23:40,057 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:23:40,058 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:23:40,136 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:23:40,137 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:23:40,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:23:40 BoogieIcfgContainer [2024-11-13 22:23:40,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:23:40,138 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:23:40,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:23:40,148 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:23:40,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:23:40" (1/1) ... [2024-11-13 22:23:40,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:23:40,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:40,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:23:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:23:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:23:40,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:40,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:40,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:23:40,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:23:40,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:23:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:23:40,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:23:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:23:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:23:40,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:23:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:23:40,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:23:40,560 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:23:40,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:23:40 ImpRootNode [2024-11-13 22:23:40,598 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:23:40,598 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:23:40,599 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:23:40,599 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:23:40,600 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:23:40" (3/4) ... [2024-11-13 22:23:40,604 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:23:40,605 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:23:40,606 INFO L158 Benchmark]: Toolchain (without parser) took 2520.60ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 83.7MB in the end (delta: 5.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-13 22:23:40,606 INFO L158 Benchmark]: CDTParser took 2.87ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:23:40,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1442.38ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 68.5MB in the end (delta: 21.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 22:23:40,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.04ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 65.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:23:40,610 INFO L158 Benchmark]: Boogie Preprocessor took 48.90ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:23:40,610 INFO L158 Benchmark]: RCFGBuilder took 480.08ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 48.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:23:40,611 INFO L158 Benchmark]: CodeCheck took 460.02ms. Allocated memory is still 117.4MB. Free memory was 48.2MB in the beginning and 84.4MB in the end (delta: -36.1MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-13 22:23:40,611 INFO L158 Benchmark]: Witness Printer took 6.39ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 83.7MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:23:40,617 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 1571. 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_fscanf_predec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fscanf_predec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_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] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_45_bad() [L1562] int data; [L1563] data = 0 [L1565] CWE191_Integer_Underflow__int_fscanf_predec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fscanf_predec_45_badData; VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_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 VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_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 2.87ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1442.38ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 68.5MB in the end (delta: 21.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.04ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 65.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.90ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 480.08ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 48.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 460.02ms. Allocated memory is still 117.4MB. Free memory was 48.2MB in the beginning and 84.4MB in the end (delta: -36.1MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Witness Printer took 6.39ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 83.7MB 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 22:23:40,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524313fc-9f68-430a-999a-6221bf1b6f11/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