./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_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_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/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_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/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_028e41fe-b195-418a-8ae7-2a857c99f9ef/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 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:56:23,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:56:23,798 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:56:23,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:56:23,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:56:23,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:56:23,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:56:23,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:56:23,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:56:23,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:56:23,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:56:23,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:56:23,847 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:56:23,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:56:23,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:56:23,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:56:23,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:56:23,849 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:56:23,849 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:56:23,849 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:56:23,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:56:23,849 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:56:23,849 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:56:23,849 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:56:23,849 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:56:23,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:56:23,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:56:23,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:56:23,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:56:23,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:56:23,850 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:56:23,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:56:23,850 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_028e41fe-b195-418a-8ae7-2a857c99f9ef/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 -> 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 [2024-11-13 21:56:24,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:56:24,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:56:24,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:56:24,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:56:24,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:56:24,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i Unable to find full path for "g++" [2024-11-13 21:56:26,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:56:26,599 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:56:26,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i [2024-11-13 21:56:26,632 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/data/5ed296070/40c8b6b824b94039aad3dde8ef653fe1/FLAG819a37b3f [2024-11-13 21:56:26,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/data/5ed296070/40c8b6b824b94039aad3dde8ef653fe1 [2024-11-13 21:56:26,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:56:26,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:56:26,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:56:26,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:56:26,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:56:26,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:56:26" (1/1) ... [2024-11-13 21:56:26,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710e6d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:26, skipping insertion in model container [2024-11-13 21:56:26,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:56:26" (1/1) ... [2024-11-13 21:56:26,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:56:27,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:56:27,906 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:56:28,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:56:28,160 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:56:28,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:28 WrapperNode [2024-11-13 21:56:28,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:56:28,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:56:28,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:56:28,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:56:28,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:28" (1/1) ... [2024-11-13 21:56:28,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:28" (1/1) ... [2024-11-13 21:56:28,211 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-13 21:56:28,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:56:28,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:56:28,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:56:28,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:56:28,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:28" (1/1) ... [2024-11-13 21:56:28,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:28" (1/1) ... [2024-11-13 21:56:28,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:28" (1/1) ... [2024-11-13 21:56:28,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:28" (1/1) ... [2024-11-13 21:56:28,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:28" (1/1) ... [2024-11-13 21:56:28,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:28" (1/1) ... [2024-11-13 21:56:28,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:28" (1/1) ... [2024-11-13 21:56:28,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:28" (1/1) ... [2024-11-13 21:56:28,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:56:28,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:56:28,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:56:28,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:56:28,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:28" (1/1) ... [2024-11-13 21:56:28,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:56:28,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:56:28,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:56:28,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:56:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:56:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:56:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:56:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:56:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:56:28,478 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:56:28,480 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:56:28,623 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 21:56:28,623 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:56:28,670 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:56:28,671 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:56:28,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:28 BoogieIcfgContainer [2024-11-13 21:56:28,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:56:28,672 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:56:28,672 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:56:28,683 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:56:28,683 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:28" (1/1) ... [2024-11-13 21:56:28,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:56:28,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:28,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:56:28,757 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:56:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:56:28,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:28,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:28,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:56:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:28,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:56:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:29,002 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:56:29,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:56:29 ImpRootNode [2024-11-13 21:56:29,041 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:56:29,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:56:29,043 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:56:29,043 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:56:29,044 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:28" (3/4) ... [2024-11-13 21:56:29,046 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:56:29,048 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:56:29,054 INFO L158 Benchmark]: Toolchain (without parser) took 2395.86ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 95.8MB in the end (delta: 19.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-13 21:56:29,054 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:29,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1505.33ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 58.1MB in the end (delta: 57.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 21:56:29,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.68ms. Allocated memory is still 142.6MB. Free memory was 58.1MB in the beginning and 55.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:29,056 INFO L158 Benchmark]: Boogie Preprocessor took 22.38ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 54.6MB in the end (delta: 813.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:29,056 INFO L158 Benchmark]: RCFGBuilder took 435.95ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 110.1MB in the end (delta: -55.7MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-13 21:56:29,056 INFO L158 Benchmark]: CodeCheck took 368.58ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 96.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:56:29,057 INFO L158 Benchmark]: Witness Printer took 8.17ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.8MB in the end (delta: 762.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:29,063 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1557]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] 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 0.35ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1505.33ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 58.1MB in the end (delta: 57.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.68ms. Allocated memory is still 142.6MB. Free memory was 58.1MB in the beginning and 55.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.38ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 54.6MB in the end (delta: 813.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 435.95ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 110.1MB in the end (delta: -55.7MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * CodeCheck took 368.58ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 96.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.17ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.8MB in the end (delta: 762.1kB). 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 21:56:29,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/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_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/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_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/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_028e41fe-b195-418a-8ae7-2a857c99f9ef/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 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:56:31,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:56:31,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:56:32,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:56:32,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:56:32,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:56:32,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:56:32,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:56:32,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:56:32,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:56:32,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:56:32,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:56:32,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:56:32,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:56:32,076 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:56:32,077 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:56:32,077 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:56:32,077 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:56:32,078 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:56:32,078 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:56:32,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:56:32,078 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:56:32,078 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:56:32,078 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:56:32,078 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:56:32,078 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:32,078 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:56:32,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:56:32,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:56:32,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:56:32,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:56:32,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:56:32,086 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:56:32,086 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:32,086 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:56:32,086 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_028e41fe-b195-418a-8ae7-2a857c99f9ef/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 -> 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 [2024-11-13 21:56:32,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:56:32,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:56:32,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:56:32,424 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:56:32,425 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:56:32,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i Unable to find full path for "g++" [2024-11-13 21:56:34,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:56:34,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:56:34,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i [2024-11-13 21:56:34,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/data/facd2ee97/bd6bd58e7a8e47bc9a1caaf09125c9b0/FLAG271ffc850 [2024-11-13 21:56:34,909 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/data/facd2ee97/bd6bd58e7a8e47bc9a1caaf09125c9b0 [2024-11-13 21:56:34,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:56:34,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:56:34,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:56:34,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:56:34,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:56:34,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:56:34" (1/1) ... [2024-11-13 21:56:34,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@961f871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:34, skipping insertion in model container [2024-11-13 21:56:34,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:56:34" (1/1) ... [2024-11-13 21:56:34,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:56:35,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:56:35,969 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:56:36,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:56:36,240 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:56:36,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:36 WrapperNode [2024-11-13 21:56:36,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:56:36,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:56:36,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:56:36,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:56:36,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:36" (1/1) ... [2024-11-13 21:56:36,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:36" (1/1) ... [2024-11-13 21:56:36,314 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-13 21:56:36,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:56:36,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:56:36,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:56:36,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:56:36,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:36" (1/1) ... [2024-11-13 21:56:36,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:36" (1/1) ... [2024-11-13 21:56:36,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:36" (1/1) ... [2024-11-13 21:56:36,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:36" (1/1) ... [2024-11-13 21:56:36,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:36" (1/1) ... [2024-11-13 21:56:36,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:36" (1/1) ... [2024-11-13 21:56:36,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:36" (1/1) ... [2024-11-13 21:56:36,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:36" (1/1) ... [2024-11-13 21:56:36,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:56:36,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:56:36,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:56:36,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:56:36,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:36" (1/1) ... [2024-11-13 21:56:36,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:56:36,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:56:36,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:56:36,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:56:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:56:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:56:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:56:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:56:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:56:36,599 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:56:36,601 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:56:36,733 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 21:56:36,733 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:56:36,817 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:56:36,817 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:56:36,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:36 BoogieIcfgContainer [2024-11-13 21:56:36,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:56:36,819 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:56:36,819 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:56:36,830 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:56:36,830 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:36" (1/1) ... [2024-11-13 21:56:36,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:56:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:36,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:56:36,894 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:56:36,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:56:36,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:36,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:36,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:36,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:36,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:56:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:37,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:56:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:37,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:56:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:37,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:56:37,217 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:56:37,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:56:37 ImpRootNode [2024-11-13 21:56:37,255 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:56:37,256 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:56:37,256 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:56:37,256 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:56:37,257 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:36" (3/4) ... [2024-11-13 21:56:37,261 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:56:37,262 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:56:37,265 INFO L158 Benchmark]: Toolchain (without parser) took 2347.31ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 89.1MB in the beginning and 175.6MB in the end (delta: -86.4MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-13 21:56:37,265 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:37,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1323.74ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 89.1MB in the beginning and 210.7MB in the end (delta: -121.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-13 21:56:37,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.80ms. Allocated memory is still 260.0MB. Free memory was 210.7MB in the beginning and 208.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:37,266 INFO L158 Benchmark]: Boogie Preprocessor took 42.40ms. Allocated memory is still 260.0MB. Free memory was 207.7MB in the beginning and 206.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:37,267 INFO L158 Benchmark]: RCFGBuilder took 459.71ms. Allocated memory is still 260.0MB. Free memory was 206.2MB in the beginning and 190.0MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:56:37,267 INFO L158 Benchmark]: CodeCheck took 436.03ms. Allocated memory is still 260.0MB. Free memory was 190.0MB in the beginning and 175.6MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:56:37,267 INFO L158 Benchmark]: Witness Printer took 6.29ms. Allocated memory is still 260.0MB. Free memory is still 175.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:37,271 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1557]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] 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 0.47ms. Allocated memory is still 117.4MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1323.74ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 89.1MB in the beginning and 210.7MB in the end (delta: -121.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.80ms. Allocated memory is still 260.0MB. Free memory was 210.7MB in the beginning and 208.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.40ms. Allocated memory is still 260.0MB. Free memory was 207.7MB in the beginning and 206.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 459.71ms. Allocated memory is still 260.0MB. Free memory was 206.2MB in the beginning and 190.0MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 436.03ms. Allocated memory is still 260.0MB. Free memory was 190.0MB in the beginning and 175.6MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.29ms. Allocated memory is still 260.0MB. Free memory is still 175.6MB. 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 21:56:37,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028e41fe-b195-418a-8ae7-2a857c99f9ef/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