./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_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_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/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_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/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_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/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 272a8c027e707f809e4c515f57b9728267430a4f523307b5a4b07078f140f1e5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:43:56,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:43:56,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:43:56,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:43:56,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:43:56,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:43:56,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:43:56,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:43:56,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:43:56,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:43:56,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:43:56,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:43:56,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:43:56,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:43:56,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:43:56,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:43:56,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:43:56,806 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:43:56,806 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:43:56,806 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:43:56,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:43:56,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:43:56,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:43:56,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:43:56,807 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:43:56,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:43:56,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:56,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:43:56,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:43:56,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:43:56,807 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:43:56,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:43:56,807 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_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/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 -> 272a8c027e707f809e4c515f57b9728267430a4f523307b5a4b07078f140f1e5 [2024-11-13 21:43:57,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:43:57,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:43:57,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:43:57,221 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:43:57,221 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:43:57,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_bad.i Unable to find full path for "g++" [2024-11-13 21:43:59,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:43:59,842 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:43:59,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_bad.i [2024-11-13 21:43:59,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/data/3f75ab482/d41b6571dbc2436c8bd344d85f71dcb3/FLAG8ebce6602 [2024-11-13 21:43:59,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/data/3f75ab482/d41b6571dbc2436c8bd344d85f71dcb3 [2024-11-13 21:43:59,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:44:00,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:44:00,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:44:00,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:44:00,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:44:00,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:59" (1/1) ... [2024-11-13 21:44:00,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eee48b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:00, skipping insertion in model container [2024-11-13 21:44:00,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:59" (1/1) ... [2024-11-13 21:44:00,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:44:01,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:44:01,173 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:44:01,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:44:01,484 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:44:01,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:01 WrapperNode [2024-11-13 21:44:01,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:44:01,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:44:01,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:44:01,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:44:01,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:01" (1/1) ... [2024-11-13 21:44:01,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:01" (1/1) ... [2024-11-13 21:44:01,573 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-13 21:44:01,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:44:01,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:44:01,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:44:01,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:44:01,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:01" (1/1) ... [2024-11-13 21:44:01,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:01" (1/1) ... [2024-11-13 21:44:01,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:01" (1/1) ... [2024-11-13 21:44:01,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:01" (1/1) ... [2024-11-13 21:44:01,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:01" (1/1) ... [2024-11-13 21:44:01,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:01" (1/1) ... [2024-11-13 21:44:01,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:01" (1/1) ... [2024-11-13 21:44:01,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:01" (1/1) ... [2024-11-13 21:44:01,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:44:01,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:44:01,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:44:01,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:44:01,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:01" (1/1) ... [2024-11-13 21:44:01,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:44:01,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:44:01,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:44:01,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:44:01,703 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:44:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:44:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:44:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:44:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:44:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-13 21:44:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-13 21:44:01,942 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:44:01,945 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:44:02,135 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:44:02,135 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:44:02,223 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:44:02,223 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:44:02,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:44:02 BoogieIcfgContainer [2024-11-13 21:44:02,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:44:02,225 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:44:02,226 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:44:02,239 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:44:02,239 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:44:02" (1/1) ... [2024-11-13 21:44:02,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:44:02,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-13 21:44:02,325 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-13 21:44:02,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:44:02,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:02,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:02,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:44:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:02,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:44:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:02,649 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:44:02,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:44:02 ImpRootNode [2024-11-13 21:44:02,686 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:44:02,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:44:02,687 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:44:02,687 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:44:02,688 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:44:02" (3/4) ... [2024-11-13 21:44:02,692 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:44:02,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:44:02,694 INFO L158 Benchmark]: Toolchain (without parser) took 2693.68ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 48.2MB in the end (delta: 40.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 21:44:02,697 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:02,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1483.11ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 81.6MB in the end (delta: 7.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 21:44:02,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.85ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:44:02,700 INFO L158 Benchmark]: Boogie Preprocessor took 38.35ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:02,700 INFO L158 Benchmark]: RCFGBuilder took 610.12ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 63.8MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:44:02,702 INFO L158 Benchmark]: CodeCheck took 461.48ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 48.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:44:02,703 INFO L158 Benchmark]: Witness Printer took 6.41ms. Allocated memory is still 117.4MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:02,705 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 3 procedures, 20 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, 15 NumberOfCodeBlocks, 15 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: 1567]: 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 1576. 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); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE191_Integer_Underflow__int_fscanf_predec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1483.11ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 81.6MB in the end (delta: 7.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.85ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.35ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 610.12ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 63.8MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 461.48ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 48.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.41ms. Allocated memory is still 117.4MB. Free memory is still 48.2MB. 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 21:44:02,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/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_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/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_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/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_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/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 272a8c027e707f809e4c515f57b9728267430a4f523307b5a4b07078f140f1e5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:44:05,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:44:05,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:44:05,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:44:05,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:44:05,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:44:05,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:44:05,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:44:05,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:44:05,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:44:05,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:44:05,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:44:05,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:44:05,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:44:05,840 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:44:05,840 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:44:05,840 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:44:05,840 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:44:05,841 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:44:05,841 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:44:05,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:44:05,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:44:05,841 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:44:05,841 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:44:05,842 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:44:05,842 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:05,842 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:44:05,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:44:05,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:44:05,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:44:05,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:44:05,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:44:05,843 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:44:05,843 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:05,843 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:44:05,843 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_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/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 -> 272a8c027e707f809e4c515f57b9728267430a4f523307b5a4b07078f140f1e5 [2024-11-13 21:44:06,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:44:06,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:44:06,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:44:06,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:44:06,245 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:44:06,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_bad.i Unable to find full path for "g++" [2024-11-13 21:44:08,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:44:09,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:44:09,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_bad.i [2024-11-13 21:44:09,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/data/432aacfb4/7dc5588cab46457786d06298c8297d35/FLAG004c99f29 [2024-11-13 21:44:09,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/data/432aacfb4/7dc5588cab46457786d06298c8297d35 [2024-11-13 21:44:09,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:44:09,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:44:09,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:44:09,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:44:09,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:44:09,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:44:09" (1/1) ... [2024-11-13 21:44:09,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ab7316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:09, skipping insertion in model container [2024-11-13 21:44:09,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:44:09" (1/1) ... [2024-11-13 21:44:09,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:44:10,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:44:10,405 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:44:10,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:44:10,708 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:44:10,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:10 WrapperNode [2024-11-13 21:44:10,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:44:10,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:44:10,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:44:10,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:44:10,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:10" (1/1) ... [2024-11-13 21:44:10,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:10" (1/1) ... [2024-11-13 21:44:10,779 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-13 21:44:10,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:44:10,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:44:10,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:44:10,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:44:10,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:10" (1/1) ... [2024-11-13 21:44:10,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:10" (1/1) ... [2024-11-13 21:44:10,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:10" (1/1) ... [2024-11-13 21:44:10,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:10" (1/1) ... [2024-11-13 21:44:10,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:10" (1/1) ... [2024-11-13 21:44:10,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:10" (1/1) ... [2024-11-13 21:44:10,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:10" (1/1) ... [2024-11-13 21:44:10,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:10" (1/1) ... [2024-11-13 21:44:10,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:44:10,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:44:10,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:44:10,823 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:44:10,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:10" (1/1) ... [2024-11-13 21:44:10,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:44:10,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:44:10,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:44:10,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:44:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:44:10,897 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:44:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:44:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:44:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:44:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-13 21:44:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-13 21:44:11,141 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:44:11,144 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:44:11,333 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 21:44:11,334 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:44:11,418 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:44:11,419 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:44:11,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:44:11 BoogieIcfgContainer [2024-11-13 21:44:11,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:44:11,420 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:44:11,420 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:44:11,432 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:44:11,433 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:44:11" (1/1) ... [2024-11-13 21:44:11,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:44:11,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:11,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-13 21:44:11,497 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-13 21:44:11,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:44:11,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:11,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:11,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:44:11,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:44:11,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:44:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:11,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:44:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:11,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:44:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:11,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:44:11,937 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:44:11,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:44:11 ImpRootNode [2024-11-13 21:44:11,989 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:44:11,991 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:44:11,991 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:44:11,992 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:44:11,993 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:44:11" (3/4) ... [2024-11-13 21:44:11,996 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:44:11,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:44:11,998 INFO L158 Benchmark]: Toolchain (without parser) took 2838.60ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 83.7MB in the end (delta: 6.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-13 21:44:11,998 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:11,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1546.71ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 68.9MB in the end (delta: 21.1MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 21:44:11,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.83ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 65.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:12,000 INFO L158 Benchmark]: Boogie Preprocessor took 33.32ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:12,000 INFO L158 Benchmark]: RCFGBuilder took 596.59ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 48.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:44:12,001 INFO L158 Benchmark]: CodeCheck took 569.31ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 83.8MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:12,001 INFO L158 Benchmark]: Witness Printer took 6.09ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 83.7MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:12,006 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 3 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 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: 1567]: 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 1576. 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); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE191_Integer_Underflow__int_fscanf_predec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1546.71ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 68.9MB in the end (delta: 21.1MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.83ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 65.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.32ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 596.59ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 48.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 569.31ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 83.8MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.09ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 83.7MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:44:12,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be0268b-f1d5-4bb1-bf9c-fffc47e6682f/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