./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_32_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_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/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_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/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_d319720d-7205-47be-9381-ac4530e83ad9/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 b05b135589c8a5ccc4063b2fb015e9237daf319a49917e47340f17f0cd423d2a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:05:40,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:05:40,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:05:40,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:05:40,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:05:40,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:05:40,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:05:40,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:05:40,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:05:40,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:05:40,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:05:40,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:05:40,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:05:40,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:05:40,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:05:40,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:05:40,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:05:40,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:05:40,572 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:05:40,572 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:05:40,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:05:40,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:05:40,573 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:05:40,573 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:05:40,573 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:05:40,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:05:40,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:40,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:05:40,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:05:40,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:05:40,574 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:05:40,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:05:40,574 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_d319720d-7205-47be-9381-ac4530e83ad9/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 -> b05b135589c8a5ccc4063b2fb015e9237daf319a49917e47340f17f0cd423d2a [2024-11-13 22:05:40,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:05:40,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:05:40,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:05:40,923 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:05:40,924 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:05:40,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_32_bad.i Unable to find full path for "g++" [2024-11-13 22:05:42,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:05:43,282 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:05:43,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_32_bad.i [2024-11-13 22:05:43,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/data/4bbd34c94/0cc46ef2b4d54703b21ed8f3d8e41f4c/FLAG77c0f86b1 [2024-11-13 22:05:43,330 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/data/4bbd34c94/0cc46ef2b4d54703b21ed8f3d8e41f4c [2024-11-13 22:05:43,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:05:43,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:05:43,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:43,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:05:43,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:05:43,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:43" (1/1) ... [2024-11-13 22:05:43,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7017cb59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:43, skipping insertion in model container [2024-11-13 22:05:43,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:43" (1/1) ... [2024-11-13 22:05:43,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:05:44,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:44,511 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:05:44,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:44,843 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:05:44,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44 WrapperNode [2024-11-13 22:05:44,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:44,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:44,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:05:44,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:05:44,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:44,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:44,911 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-13 22:05:44,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:44,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:05:44,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:05:44,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:05:44,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:44,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:44,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:44,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:44,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:44,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:44,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:44,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:44,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:05:44,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:05:44,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:05:44,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:05:44,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:44,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:44,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:05:45,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:05:45,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:05:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:05:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:05:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:05:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:05:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:05:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:05:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:05:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:05:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:05:45,187 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:05:45,189 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:05:45,335 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 22:05:45,335 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:05:45,385 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:05:45,386 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:05:45,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:45 BoogieIcfgContainer [2024-11-13 22:05:45,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:05:45,387 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:05:45,387 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:05:45,396 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:05:45,396 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:45" (1/1) ... [2024-11-13 22:05:45,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:05:45,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:45,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:05:45,465 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:05:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:05:45,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:45,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:45,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:45,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:45,796 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:05:45,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:05:45 ImpRootNode [2024-11-13 22:05:45,832 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:05:45,833 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:05:45,833 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:05:45,833 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:05:45,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:45" (3/4) ... [2024-11-13 22:05:45,836 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:05:45,837 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:05:45,838 INFO L158 Benchmark]: Toolchain (without parser) took 2500.37ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 45.7MB in the end (delta: 43.9MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-11-13 22:05:45,838 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:45,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1504.34ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 81.0MB in the end (delta: 8.3MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2024-11-13 22:05:45,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.19ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 78.7MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:05:45,840 INFO L158 Benchmark]: Boogie Preprocessor took 39.86ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:45,840 INFO L158 Benchmark]: RCFGBuilder took 431.32ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 63.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:05:45,840 INFO L158 Benchmark]: CodeCheck took 445.66ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 45.7MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:05:45,841 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 117.4MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:45,843 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: 1562]: 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 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_sub_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1504.34ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 81.0MB in the end (delta: 8.3MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.19ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 78.7MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.86ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 431.32ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 63.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 445.66ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 45.7MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 117.4MB. Free memory is still 45.7MB. 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 22:05:45,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/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 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_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/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_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/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_d319720d-7205-47be-9381-ac4530e83ad9/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 b05b135589c8a5ccc4063b2fb015e9237daf319a49917e47340f17f0cd423d2a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:05:48,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:05:48,635 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:05:48,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:05:48,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:05:48,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:05:48,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:05:48,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:05:48,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:05:48,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:05:48,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:05:48,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:05:48,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:05:48,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:05:48,727 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:05:48,727 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:05:48,727 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:05:48,727 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:05:48,727 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:05:48,727 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:05:48,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:05:48,727 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:05:48,728 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:05:48,728 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:05:48,728 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:05:48,728 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:48,728 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:05:48,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:05:48,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:48,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:05:48,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:05:48,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:05:48,728 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:05:48,728 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:48,729 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:05:48,729 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_d319720d-7205-47be-9381-ac4530e83ad9/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 -> b05b135589c8a5ccc4063b2fb015e9237daf319a49917e47340f17f0cd423d2a [2024-11-13 22:05:49,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:05:49,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:05:49,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:05:49,067 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:05:49,070 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:05:49,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_32_bad.i Unable to find full path for "g++" [2024-11-13 22:05:51,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:05:51,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:05:51,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_32_bad.i [2024-11-13 22:05:51,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/data/379784b47/1df56d9f3e9846378a3706a41d19fd38/FLAGdd3a64429 [2024-11-13 22:05:51,605 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/data/379784b47/1df56d9f3e9846378a3706a41d19fd38 [2024-11-13 22:05:51,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:05:51,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:05:51,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:51,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:05:51,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:05:51,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:51" (1/1) ... [2024-11-13 22:05:51,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c5181f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:51, skipping insertion in model container [2024-11-13 22:05:51,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:51" (1/1) ... [2024-11-13 22:05:51,693 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:05:52,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:52,599 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:05:52,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:52,861 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:05:52,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:52 WrapperNode [2024-11-13 22:05:52,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:52,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:52,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:05:52,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:05:52,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:52" (1/1) ... [2024-11-13 22:05:52,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:52" (1/1) ... [2024-11-13 22:05:52,917 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-13 22:05:52,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:52,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:05:52,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:05:52,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:05:52,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:52" (1/1) ... [2024-11-13 22:05:52,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:52" (1/1) ... [2024-11-13 22:05:52,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:52" (1/1) ... [2024-11-13 22:05:52,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:52" (1/1) ... [2024-11-13 22:05:52,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:52" (1/1) ... [2024-11-13 22:05:52,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:52" (1/1) ... [2024-11-13 22:05:52,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:52" (1/1) ... [2024-11-13 22:05:52,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:52" (1/1) ... [2024-11-13 22:05:52,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:05:52,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:05:52,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:05:52,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:05:52,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:52" (1/1) ... [2024-11-13 22:05:52,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:52,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:05:52,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:05:53,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:05:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:05:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:05:53,180 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:05:53,186 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:05:53,364 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 22:05:53,364 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:05:53,405 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:05:53,405 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:05:53,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:53 BoogieIcfgContainer [2024-11-13 22:05:53,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:05:53,407 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:05:53,407 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:05:53,417 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:05:53,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:53" (1/1) ... [2024-11-13 22:05:53,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:05:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:53,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:05:53,474 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:05:53,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:05:53,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:53,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:53,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:53,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:53,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:05:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:53,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:53,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:54,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:54,004 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:05:54,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:05:54 ImpRootNode [2024-11-13 22:05:54,040 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:05:54,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:05:54,041 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:05:54,042 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:05:54,042 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:53" (3/4) ... [2024-11-13 22:05:54,045 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:05:54,045 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:05:54,046 INFO L158 Benchmark]: Toolchain (without parser) took 2437.21ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 80.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:05:54,049 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:54,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1250.07ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 68.2MB in the end (delta: 20.9MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 22:05:54,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.05ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 65.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:54,050 INFO L158 Benchmark]: Boogie Preprocessor took 35.95ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 63.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:54,050 INFO L158 Benchmark]: RCFGBuilder took 451.35ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 47.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:05:54,051 INFO L158 Benchmark]: CodeCheck took 633.32ms. Allocated memory is still 117.4MB. Free memory was 47.2MB in the beginning and 80.6MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:54,051 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 80.6MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:54,057 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: 0.6s, 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, 0.1s 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: 1562]: 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 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_sub_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data - 1 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 0.48ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1250.07ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 68.2MB in the end (delta: 20.9MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.05ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 65.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.95ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 63.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 451.35ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 47.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 633.32ms. Allocated memory is still 117.4MB. Free memory was 47.2MB in the beginning and 80.6MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 80.6MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:05:54,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d319720d-7205-47be-9381-ac4530e83ad9/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