./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_04_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_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/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_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/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_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/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 282c024bbfc91541000547dcd5563d65dcf66e7ef6efc08165045adf507c02ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:41,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:41,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:17:41,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:41,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:41,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:41,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:41,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:41,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:41,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:41,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:41,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:41,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:41,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:41,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:41,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:41,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:41,223 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:41,223 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:41,223 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:41,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:41,223 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:41,224 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:41,224 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:41,225 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:41,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:41,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:41,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:41,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:41,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:41,225 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:41,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:41,225 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_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/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 -> 282c024bbfc91541000547dcd5563d65dcf66e7ef6efc08165045adf507c02ef [2024-11-13 20:17:41,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:41,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:41,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:41,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:41,600 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:41,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_04_bad.i Unable to find full path for "g++" [2024-11-13 20:17:43,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:44,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:44,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_04_bad.i [2024-11-13 20:17:44,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/data/aec7fbc69/204b87681fe9487da1f48252beb571a6/FLAG68cb4d42f [2024-11-13 20:17:44,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/data/aec7fbc69/204b87681fe9487da1f48252beb571a6 [2024-11-13 20:17:44,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:44,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:44,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:44,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:44,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:44,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,273 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 08:17:44, skipping insertion in model container [2024-11-13 20:17:44,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:45,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:45,405 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:45,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:45,721 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:45,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:45 WrapperNode [2024-11-13 20:17:45,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:45,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:45,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:45,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:45,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:45" (1/1) ... [2024-11-13 20:17:45,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:45" (1/1) ... [2024-11-13 20:17:45,806 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-13 20:17:45,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:45,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:45,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:45,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:45,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:45" (1/1) ... [2024-11-13 20:17:45,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:45" (1/1) ... [2024-11-13 20:17:45,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:45" (1/1) ... [2024-11-13 20:17:45,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:45" (1/1) ... [2024-11-13 20:17:45,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:45" (1/1) ... [2024-11-13 20:17:45,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:45" (1/1) ... [2024-11-13 20:17:45,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:45" (1/1) ... [2024-11-13 20:17:45,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:45" (1/1) ... [2024-11-13 20:17:45,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:45,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:45,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:45,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:45,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:45" (1/1) ... [2024-11-13 20:17:45,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:45,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:45,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:45,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:46,127 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:46,129 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:46,301 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:46,301 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:46,389 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:46,389 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:46,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:46 BoogieIcfgContainer [2024-11-13 20:17:46,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:46,391 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:46,391 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:46,402 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:46,403 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:46" (1/1) ... [2024-11-13 20:17:46,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:46,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:17:46,481 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:17:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:46,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:46,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:46,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:46,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:46,722 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:17:46,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:46 ImpRootNode [2024-11-13 20:17:46,762 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:46,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:46,763 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:46,763 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:46,767 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:46" (3/4) ... [2024-11-13 20:17:46,770 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:46,771 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:46,777 INFO L158 Benchmark]: Toolchain (without parser) took 2511.85ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 49.4MB in the end (delta: 39.8MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 20:17:46,778 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:46,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1459.81ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 80.5MB in the end (delta: 8.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 20:17:46,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.57ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 77.6MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:46,779 INFO L158 Benchmark]: Boogie Preprocessor took 41.19ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.9MB in the end (delta: 724.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:46,779 INFO L158 Benchmark]: RCFGBuilder took 540.48ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 63.8MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:46,780 INFO L158 Benchmark]: CodeCheck took 371.98ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 49.4MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:46,780 INFO L158 Benchmark]: Witness Printer took 8.25ms. Allocated memory is still 117.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:46,785 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1569. 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 const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_sub_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1459.81ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 80.5MB in the end (delta: 8.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.57ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 77.6MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.19ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.9MB in the end (delta: 724.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 540.48ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 63.8MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 371.98ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 49.4MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.25ms. Allocated memory is still 117.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:17:46,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/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_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/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_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/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_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/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 282c024bbfc91541000547dcd5563d65dcf66e7ef6efc08165045adf507c02ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:50,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:50,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:17:50,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:50,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:50,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:50,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:50,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:50,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:50,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:50,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:50,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:50,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:50,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:50,741 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:17:50,742 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:17:50,742 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:50,742 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:50,742 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:17:50,742 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:50,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:50,742 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:50,743 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:50,743 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:50,743 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:50,743 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:50,743 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:17:50,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:50,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:50,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:50,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:50,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:50,744 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:17:50,745 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:50,745 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:17:50,746 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_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/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 -> 282c024bbfc91541000547dcd5563d65dcf66e7ef6efc08165045adf507c02ef [2024-11-13 20:17:51,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:51,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:51,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:51,164 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:51,164 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:51,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_04_bad.i Unable to find full path for "g++" [2024-11-13 20:17:53,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:53,915 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:53,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_04_bad.i [2024-11-13 20:17:53,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/data/27a0cf385/9ec8850924dd4ddd99f6ad2c65623c22/FLAG7bfe9e524 [2024-11-13 20:17:54,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/data/27a0cf385/9ec8850924dd4ddd99f6ad2c65623c22 [2024-11-13 20:17:54,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:54,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:54,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:54,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:54,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:54,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:54" (1/1) ... [2024-11-13 20:17:54,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c00b094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:54, skipping insertion in model container [2024-11-13 20:17:54,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:54" (1/1) ... [2024-11-13 20:17:54,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:55,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:55,574 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:55,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:55,943 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:55,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:55 WrapperNode [2024-11-13 20:17:55,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:55,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:55,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:55,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:55,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:55,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:56,009 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-13 20:17:56,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:56,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:56,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:56,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:56,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:56,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:56,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:56,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:56,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:56,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:56,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:56,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:56,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:56,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:56,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:56,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:56,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:56,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:56,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:56,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:56,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:56,102 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:56,271 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:56,273 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:56,414 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:56,414 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:56,466 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:56,466 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:56,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:56 BoogieIcfgContainer [2024-11-13 20:17:56,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:56,468 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:56,468 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:56,480 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:56,480 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:56,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:56,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:17:56,554 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:17:56,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:56,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:56,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:56,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:56,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:56,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:17:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:56,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:56,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:56,900 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:17:56,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:17:56,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:56 ImpRootNode [2024-11-13 20:17:56,929 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:56,930 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:56,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:56,930 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:56,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:56" (3/4) ... [2024-11-13 20:17:56,934 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:56,935 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:56,936 INFO L158 Benchmark]: Toolchain (without parser) took 2470.18ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 42.0MB in the end (delta: 15.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-13 20:17:56,936 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 83.9MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:56,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1477.19ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 51.0MB in the end (delta: 5.7MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 20:17:56,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.33ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 48.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:56,938 INFO L158 Benchmark]: Boogie Preprocessor took 23.93ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:56,938 INFO L158 Benchmark]: RCFGBuilder took 432.76ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 31.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:56,939 INFO L158 Benchmark]: CodeCheck took 461.34ms. Allocated memory is still 83.9MB. Free memory was 31.6MB in the beginning and 42.0MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:56,939 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 42.0MB in the end (delta: 22.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:56,942 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1569. 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 const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_sub_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.64ms. Allocated memory is still 83.9MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1477.19ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 51.0MB in the end (delta: 5.7MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.33ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 48.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.93ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 432.76ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 31.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 461.34ms. Allocated memory is still 83.9MB. Free memory was 31.6MB in the beginning and 42.0MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 42.0MB in the end (delta: 22.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:17:56,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0deedf-80ae-4d47-8ecb-8bd1577df8c9/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