./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_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_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/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_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/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_3b713d7d-a0d2-4f17-889e-ccb869b9056e/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 dd53927551223037d87dfedf7e8f90f8740ee3e7629975b1d046fc1a64ec5564 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:32:55,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:32:55,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:32:55,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:32:55,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:32:55,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:32:55,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:32:55,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:32:55,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:32:55,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:32:55,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:32:55,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:32:55,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:32:55,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:32:55,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:32:55,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:32:55,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:32:55,688 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:32:55,688 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:32:55,689 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:32:55,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:32:55,689 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:32:55,689 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:32:55,689 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:32:55,689 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:32:55,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:32:55,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:32:55,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:32:55,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:32:55,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:32:55,690 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:32:55,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:32:55,690 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_3b713d7d-a0d2-4f17-889e-ccb869b9056e/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 -> dd53927551223037d87dfedf7e8f90f8740ee3e7629975b1d046fc1a64ec5564 [2024-11-13 22:32:56,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:32:56,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:32:56,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:32:56,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:32:56,069 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:32:56,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i Unable to find full path for "g++" [2024-11-13 22:32:58,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:32:58,774 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:32:58,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i [2024-11-13 22:32:58,821 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/data/d9763e7e3/af65e35cfbfc460a9a1255df1ecaa303/FLAG96f1e8d50 [2024-11-13 22:32:58,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/data/d9763e7e3/af65e35cfbfc460a9a1255df1ecaa303 [2024-11-13 22:32:58,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:32:58,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:32:58,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:32:58,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:32:58,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:32:58,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:58" (1/1) ... [2024-11-13 22:32:58,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba854cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:58, skipping insertion in model container [2024-11-13 22:32:58,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:58" (1/1) ... [2024-11-13 22:32:58,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:32:59,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:32:59,930 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:33:00,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:00,250 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:33:00,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:00 WrapperNode [2024-11-13 22:33:00,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:00,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:00,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:33:00,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:33:00,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:00" (1/1) ... [2024-11-13 22:33:00,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:00" (1/1) ... [2024-11-13 22:33:00,327 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-13 22:33:00,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:00,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:33:00,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:33:00,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:33:00,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:00" (1/1) ... [2024-11-13 22:33:00,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:00" (1/1) ... [2024-11-13 22:33:00,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:00" (1/1) ... [2024-11-13 22:33:00,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:00" (1/1) ... [2024-11-13 22:33:00,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:00" (1/1) ... [2024-11-13 22:33:00,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:00" (1/1) ... [2024-11-13 22:33:00,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:00" (1/1) ... [2024-11-13 22:33:00,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:00" (1/1) ... [2024-11-13 22:33:00,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:33:00,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:33:00,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:33:00,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:33:00,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:00" (1/1) ... [2024-11-13 22:33:00,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:00,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:33:00,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:33:00,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:33:00,442 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:33:00,442 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:33:00,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:33:00,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:33:00,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:33:00,623 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:33:00,625 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:33:00,723 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 22:33:00,723 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:33:00,768 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:33:00,769 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:33:00,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:00 BoogieIcfgContainer [2024-11-13 22:33:00,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:33:00,770 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:33:00,770 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:33:00,781 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:33:00,782 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:00" (1/1) ... [2024-11-13 22:33:00,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:33:00,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:00,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:33:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:33:00,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:33:00,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:00,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:00,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:33:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:01,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:33:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:01,086 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:33:01,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:33:01 ImpRootNode [2024-11-13 22:33:01,120 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:33:01,120 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:33:01,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:33:01,121 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:33:01,121 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:00" (3/4) ... [2024-11-13 22:33:01,124 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:33:01,126 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:33:01,127 INFO L158 Benchmark]: Toolchain (without parser) took 2274.00ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 51.0MB in the end (delta: 39.9MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-13 22:33:01,130 INFO L158 Benchmark]: CDTParser took 1.59ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:01,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1396.31ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 81.9MB in the end (delta: 8.8MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 22:33:01,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.74ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:33:01,132 INFO L158 Benchmark]: Boogie Preprocessor took 38.67ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:01,133 INFO L158 Benchmark]: RCFGBuilder took 400.79ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 65.0MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:33:01,135 INFO L158 Benchmark]: CodeCheck took 349.88ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 51.0MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:33:01,136 INFO L158 Benchmark]: Witness Printer took 5.93ms. Allocated memory is still 117.4MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:01,141 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: 1575]: 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 1563. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1549] int CWE191_Integer_Underflow__int_fscanf_sub_68_goodG2BData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_sub_68_bad() [L1554] int data; [L1555] data = 0 [L1557] CWE191_Integer_Underflow__int_fscanf_sub_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_sub_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_sub_68_badData; VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.59ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1396.31ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 81.9MB in the end (delta: 8.8MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.74ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.67ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 400.79ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 65.0MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 349.88ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 51.0MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.93ms. Allocated memory is still 117.4MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:33:01,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/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_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/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_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/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_3b713d7d-a0d2-4f17-889e-ccb869b9056e/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 dd53927551223037d87dfedf7e8f90f8740ee3e7629975b1d046fc1a64ec5564 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:33:04,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:33:04,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:33:04,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:33:04,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:33:04,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:33:04,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:33:04,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:33:04,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:33:04,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:33:04,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:33:04,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:33:04,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:33:04,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:33:04,239 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:33:04,239 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:33:04,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:33:04,240 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:33:04,240 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:33:04,240 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:33:04,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:33:04,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:33:04,240 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:33:04,240 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:33:04,240 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:33:04,240 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:04,240 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:33:04,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:33:04,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:04,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:33:04,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:33:04,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:33:04,242 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:33:04,242 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:04,243 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:33:04,243 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_3b713d7d-a0d2-4f17-889e-ccb869b9056e/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 -> dd53927551223037d87dfedf7e8f90f8740ee3e7629975b1d046fc1a64ec5564 [2024-11-13 22:33:04,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:33:04,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:33:04,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:33:04,583 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:33:04,583 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:33:04,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i Unable to find full path for "g++" [2024-11-13 22:33:06,421 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:33:06,948 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:33:06,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i [2024-11-13 22:33:06,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/data/24547c502/1f02c5f8e57f440884d063d8bf28db58/FLAGe37a8cc52 [2024-11-13 22:33:07,024 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/data/24547c502/1f02c5f8e57f440884d063d8bf28db58 [2024-11-13 22:33:07,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:33:07,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:33:07,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:07,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:33:07,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:33:07,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:07" (1/1) ... [2024-11-13 22:33:07,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c0ee1e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:07, skipping insertion in model container [2024-11-13 22:33:07,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:07" (1/1) ... [2024-11-13 22:33:07,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:33:08,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:08,084 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:33:08,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:08,367 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:33:08,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08 WrapperNode [2024-11-13 22:33:08,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:08,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:08,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:33:08,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:33:08,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,416 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-13 22:33:08,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:08,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:33:08,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:33:08,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:33:08,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:33:08,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:33:08,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:33:08,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:33:08,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:08,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:33:08,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:33:08,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:33:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:33:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:33:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:33:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:33:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:33:08,664 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:33:08,666 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:33:08,771 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:33:08,771 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:33:08,817 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:33:08,817 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:33:08,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:08 BoogieIcfgContainer [2024-11-13 22:33:08,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:33:08,818 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:33:08,819 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:33:08,829 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:33:08,829 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:33:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:08,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:33:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:33:08,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:33:08,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:08,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:08,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:08,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:08,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:33:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:09,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:33:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:09,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:33:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:09,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:33:09,239 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:33:09,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:33:09 ImpRootNode [2024-11-13 22:33:09,267 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:33:09,267 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:33:09,268 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:33:09,268 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:33:09,269 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:08" (3/4) ... [2024-11-13 22:33:09,271 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:33:09,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:33:09,273 INFO L158 Benchmark]: Toolchain (without parser) took 2244.74ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 48.3MB in the end (delta: 43.3MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 22:33:09,274 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:09,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1336.19ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 80.9MB in the end (delta: 10.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 22:33:09,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.13ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 78.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:09,275 INFO L158 Benchmark]: Boogie Preprocessor took 34.97ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:09,276 INFO L158 Benchmark]: RCFGBuilder took 364.90ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 61.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:33:09,276 INFO L158 Benchmark]: CodeCheck took 448.43ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 48.3MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:33:09,276 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 117.4MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:09,278 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: 1575]: 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 1563. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_sub_68_bad() [L1554] int data; [L1555] data = 0 [L1557] CWE191_Integer_Underflow__int_fscanf_sub_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_sub_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_sub_68_badData; VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=-2147483648, 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] [L1575] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=-2147483648, 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 0.57ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1336.19ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 80.9MB in the end (delta: 10.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.13ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 78.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.97ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 364.90ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 61.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 448.43ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 48.3MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 117.4MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:33:09,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b713d7d-a0d2-4f17-889e-ccb869b9056e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample