./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_52_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_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/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_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/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_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/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 7f171e896fdd7c47e284a88e0c689b099b14ef5b232b0143a381825b30e86edc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:18:05,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:18:05,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:18:05,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:18:05,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:18:05,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:18:05,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:18:05,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:18:05,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:18:05,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:18:05,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:18:05,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:18:05,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:18:05,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:18:05,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:18:05,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:18:05,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:18:05,881 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:18:05,882 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:18:05,882 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:18:05,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:18:05,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:18:05,882 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:18:05,882 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:18:05,882 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:18:05,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:18:05,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:05,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:18:05,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:18:05,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:18:05,883 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:18:05,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:18:05,883 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_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/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 -> 7f171e896fdd7c47e284a88e0c689b099b14ef5b232b0143a381825b30e86edc [2024-11-13 23:18:06,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:18:06,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:18:06,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:18:06,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:18:06,224 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:18:06,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_52_bad.i Unable to find full path for "g++" [2024-11-13 23:18:08,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:18:09,040 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:18:09,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_52_bad.i [2024-11-13 23:18:09,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/data/eb856a215/bc8000cd751e489e96d3ecc11945834a/FLAG2ce8863b8 [2024-11-13 23:18:09,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/data/eb856a215/bc8000cd751e489e96d3ecc11945834a [2024-11-13 23:18:09,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:18:09,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:18:09,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:09,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:18:09,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:18:09,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:09" (1/1) ... [2024-11-13 23:18:09,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1a12f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:09, skipping insertion in model container [2024-11-13 23:18:09,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:09" (1/1) ... [2024-11-13 23:18:09,136 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:18:10,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:10,043 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:18:10,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:10,339 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:18:10,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:10 WrapperNode [2024-11-13 23:18:10,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:10,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:10,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:18:10,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:18:10,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:10" (1/1) ... [2024-11-13 23:18:10,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:10" (1/1) ... [2024-11-13 23:18:10,410 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 49 [2024-11-13 23:18:10,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:10,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:18:10,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:18:10,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:18:10,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:10" (1/1) ... [2024-11-13 23:18:10,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:10" (1/1) ... [2024-11-13 23:18:10,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:10" (1/1) ... [2024-11-13 23:18:10,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:10" (1/1) ... [2024-11-13 23:18:10,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:10" (1/1) ... [2024-11-13 23:18:10,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:10" (1/1) ... [2024-11-13 23:18:10,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:10" (1/1) ... [2024-11-13 23:18:10,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:10" (1/1) ... [2024-11-13 23:18:10,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:18:10,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:18:10,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:18:10,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:18:10,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:10" (1/1) ... [2024-11-13 23:18:10,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:10,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:18:10,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:18:10,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:18:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:18:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:18:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:18:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:18:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:18:10,648 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:18:10,649 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:18:10,746 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 23:18:10,747 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:18:10,781 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:18:10,781 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:18:10,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:10 BoogieIcfgContainer [2024-11-13 23:18:10,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:18:10,782 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:18:10,783 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:18:10,792 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:18:10,792 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:10" (1/1) ... [2024-11-13 23:18:10,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:18:10,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:10,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:18:10,847 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:18:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:18:10,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:10,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:18:10,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:18:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:18:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:18:11,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:18:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:18:11,140 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:18:11,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:18:11 ImpRootNode [2024-11-13 23:18:11,186 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:18:11,187 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:18:11,187 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:18:11,188 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:18:11,189 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:10" (3/4) ... [2024-11-13 23:18:11,195 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:18:11,196 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:18:11,197 INFO L158 Benchmark]: Toolchain (without parser) took 2113.51ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 48.9MB in the end (delta: 40.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 23:18:11,198 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:11,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1256.19ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 79.4MB in the end (delta: 9.2MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 23:18:11,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.15ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:11,199 INFO L158 Benchmark]: Boogie Preprocessor took 20.61ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 76.2MB in the end (delta: 531.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:11,203 INFO L158 Benchmark]: RCFGBuilder took 349.16ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 62.7MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:18:11,204 INFO L158 Benchmark]: CodeCheck took 403.95ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 48.9MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:18:11,204 INFO L158 Benchmark]: Witness Printer took 9.12ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 48.9MB in the end (delta: 12.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:11,210 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_52c_badSink(data) [L1572] --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 0.36ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1256.19ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 79.4MB in the end (delta: 9.2MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.15ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.61ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 76.2MB in the end (delta: 531.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.16ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 62.7MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 403.95ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 48.9MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 9.12ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 48.9MB in the end (delta: 12.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:18:11,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/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_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/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_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/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_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/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 7f171e896fdd7c47e284a88e0c689b099b14ef5b232b0143a381825b30e86edc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:18:14,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:18:14,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:18:14,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:18:14,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:18:14,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:18:14,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:18:14,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:18:14,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:18:14,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:18:14,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:18:14,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:18:14,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:18:14,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:18:14,504 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:18:14,504 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:18:14,508 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:18:14,508 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:18:14,508 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:18:14,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:18:14,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:18:14,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:18:14,509 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:18:14,509 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:18:14,509 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:18:14,509 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:14,509 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:18:14,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:18:14,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:14,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:18:14,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:18:14,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:18:14,510 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:18:14,510 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:14,510 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:18:14,510 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_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/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 -> 7f171e896fdd7c47e284a88e0c689b099b14ef5b232b0143a381825b30e86edc [2024-11-13 23:18:14,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:18:14,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:18:15,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:18:15,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:18:15,004 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:18:15,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_52_bad.i Unable to find full path for "g++" [2024-11-13 23:18:17,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:18:17,534 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:18:17,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_52_bad.i [2024-11-13 23:18:17,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/data/e80897ae3/2c99eccff6224100948159c82f6e0fe5/FLAG5d255c8e3 [2024-11-13 23:18:17,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/data/e80897ae3/2c99eccff6224100948159c82f6e0fe5 [2024-11-13 23:18:17,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:18:17,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:18:17,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:17,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:18:17,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:18:17,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:17" (1/1) ... [2024-11-13 23:18:17,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec8500e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:17, skipping insertion in model container [2024-11-13 23:18:17,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:17" (1/1) ... [2024-11-13 23:18:17,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:18:18,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:18,631 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:18:18,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:18,907 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:18:18,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:18 WrapperNode [2024-11-13 23:18:18,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:18,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:18,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:18:18,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:18:18,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:18" (1/1) ... [2024-11-13 23:18:18,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:18" (1/1) ... [2024-11-13 23:18:18,981 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2024-11-13 23:18:18,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:18,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:18:18,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:18:18,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:18:18,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:18" (1/1) ... [2024-11-13 23:18:18,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:18" (1/1) ... [2024-11-13 23:18:18,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:18" (1/1) ... [2024-11-13 23:18:18,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:18" (1/1) ... [2024-11-13 23:18:19,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:18" (1/1) ... [2024-11-13 23:18:19,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:18" (1/1) ... [2024-11-13 23:18:19,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:18" (1/1) ... [2024-11-13 23:18:19,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:18" (1/1) ... [2024-11-13 23:18:19,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:18:19,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:18:19,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:18:19,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:18:19,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:18" (1/1) ... [2024-11-13 23:18:19,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:19,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:18:19,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:18:19,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:18:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:18:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:18:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:18:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:18:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:18:19,309 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:18:19,311 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:18:19,473 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 23:18:19,473 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:18:19,544 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:18:19,545 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:18:19,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:19 BoogieIcfgContainer [2024-11-13 23:18:19,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:18:19,547 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:18:19,548 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:18:19,566 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:18:19,566 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:19" (1/1) ... [2024-11-13 23:18:19,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:18:19,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:19,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:18:19,639 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:18:19,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:18:19,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:19,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:19,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:19,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:19,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:18:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:18:19,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:18:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:18:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:18:19,954 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:18:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:18:20,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:20,037 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:18:20,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:18:20 ImpRootNode [2024-11-13 23:18:20,059 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:18:20,060 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:18:20,060 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:18:20,060 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:18:20,061 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:19" (3/4) ... [2024-11-13 23:18:20,063 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:18:20,064 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:18:20,065 INFO L158 Benchmark]: Toolchain (without parser) took 2331.12ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 84.0MB in the end (delta: 8.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-13 23:18:20,065 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 107.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:20,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1173.64ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.3MB in the end (delta: 13.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 23:18:20,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.42ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:20,066 INFO L158 Benchmark]: Boogie Preprocessor took 44.40ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 74.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:20,067 INFO L158 Benchmark]: RCFGBuilder took 519.57ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 58.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:18:20,067 INFO L158 Benchmark]: CodeCheck took 511.86ms. Allocated memory is still 117.4MB. Free memory was 58.8MB in the beginning and 84.6MB in the end (delta: -25.9MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-11-13 23:18:20,068 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 84.0MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:20,070 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_52c_badSink(data) [L1572] --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 0.55ms. Allocated memory is still 83.9MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 107.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1173.64ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.3MB in the end (delta: 13.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.42ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.40ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 74.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 519.57ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 58.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 511.86ms. Allocated memory is still 117.4MB. Free memory was 58.8MB in the beginning and 84.6MB in the end (delta: -25.9MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 84.0MB in the end (delta: 19.3kB). 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 23:18:20,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c00aa3e-6f32-4b36-8d3e-0b7d9b9e7a97/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