./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b --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 a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:20:31,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:20:31,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:20:31,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:20:31,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:20:31,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:20:31,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:20:31,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:20:31,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:20:31,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:20:31,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:20:31,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:20:31,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:20:31,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:20:31,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:20:31,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:20:31,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:20:31,818 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:20:31,818 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:20:31,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:20:31,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:20:31,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:20:31,819 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:20:31,819 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:20:31,819 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:20:31,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:20:31,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:20:31,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:20:31,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:20:31,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:20:31,819 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:20:31,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:20:31,820 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_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b 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 -> a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 [2024-12-06 00:20:32,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:20:32,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:20:32,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:20:32,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:20:32,100 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:20:32,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2024-12-06 00:20:34,753 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/data/49a65274d/9b40fb3e2d3748c3bfc67ea67e1c04f0/FLAG72e51e644 [2024-12-06 00:20:35,065 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:20:35,066 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2024-12-06 00:20:35,084 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/data/49a65274d/9b40fb3e2d3748c3bfc67ea67e1c04f0/FLAG72e51e644 [2024-12-06 00:20:35,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/data/49a65274d/9b40fb3e2d3748c3bfc67ea67e1c04f0 [2024-12-06 00:20:35,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:20:35,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:20:35,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:20:35,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:20:35,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:20:35,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:20:35" (1/1) ... [2024-12-06 00:20:35,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aebc6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:35, skipping insertion in model container [2024-12-06 00:20:35,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:20:35" (1/1) ... [2024-12-06 00:20:35,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:20:35,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:20:35,820 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:20:35,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:20:36,025 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:20:36,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:36 WrapperNode [2024-12-06 00:20:36,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:20:36,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:20:36,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:20:36,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:20:36,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:36" (1/1) ... [2024-12-06 00:20:36,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:36" (1/1) ... [2024-12-06 00:20:36,062 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 67 [2024-12-06 00:20:36,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:20:36,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:20:36,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:20:36,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:20:36,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:36" (1/1) ... [2024-12-06 00:20:36,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:36" (1/1) ... [2024-12-06 00:20:36,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:36" (1/1) ... [2024-12-06 00:20:36,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:36" (1/1) ... [2024-12-06 00:20:36,076 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:36" (1/1) ... [2024-12-06 00:20:36,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:36" (1/1) ... [2024-12-06 00:20:36,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:36" (1/1) ... [2024-12-06 00:20:36,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:36" (1/1) ... [2024-12-06 00:20:36,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:36" (1/1) ... [2024-12-06 00:20:36,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:20:36,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:20:36,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:20:36,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:20:36,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:36" (1/1) ... [2024-12-06 00:20:36,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:20:36,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:20:36,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:20:36,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:20:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:20:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:20:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:20:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:20:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:20:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:20:36,249 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:20:36,250 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:20:36,361 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 00:20:36,361 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:20:36,391 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:20:36,391 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:20:36,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:20:36 BoogieIcfgContainer [2024-12-06 00:20:36,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:20:36,392 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:20:36,392 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:20:36,400 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:20:36,400 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:20:36" (1/1) ... [2024-12-06 00:20:36,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:20:36,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 00:20:36,448 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 00:20:36,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:20:36,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:36,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:20:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:20:36,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:36,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 00:20:36,836 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 00:20:36,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:20:36,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:36,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:20:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:20:36,867 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:20:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:20:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:20:36,949 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:20:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:20:36,982 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:20:37,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:20:37 ImpRootNode [2024-12-06 00:20:37,008 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:20:37,009 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:20:37,009 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:20:37,009 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:20:37,009 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:20:36" (3/4) ... [2024-12-06 00:20:37,012 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:20:37,013 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:20:37,014 INFO L158 Benchmark]: Toolchain (without parser) took 1912.17ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 54.9MB in the end (delta: 58.5MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-12-06 00:20:37,014 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 83.0MB in the end (delta: 503.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:20:37,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 923.32ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 111.3MB in the end (delta: 2.0MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2024-12-06 00:20:37,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.58ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 108.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:20:37,015 INFO L158 Benchmark]: Boogie Preprocessor took 17.53ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 107.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:20:37,016 INFO L158 Benchmark]: RCFGBuilder took 310.40ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 93.4MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:20:37,016 INFO L158 Benchmark]: CodeCheck took 616.05ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 54.9MB in the end (delta: 38.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:20:37,016 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 142.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:20:37,018 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 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, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. 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)={3:0}, 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 CWE190_Integer_Overflow__int_fgets_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_postinc_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] CALL funcPtr(data) [L1578] 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 0.31ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 83.0MB in the end (delta: 503.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 923.32ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 111.3MB in the end (delta: 2.0MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.58ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 108.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.53ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 107.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 310.40ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 93.4MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 616.05ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 54.9MB in the end (delta: 38.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 142.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:20:37,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/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_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b --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 a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:20:39,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:20:39,236 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:20:39,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:20:39,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:20:39,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:20:39,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:20:39,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:20:39,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:20:39,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:20:39,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:20:39,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:20:39,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:20:39,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:20:39,265 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:20:39,265 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:20:39,265 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:20:39,265 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:20:39,266 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:20:39,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:20:39,266 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:20:39,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:20:39,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:20:39,266 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:20:39,266 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:20:39,266 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:39,266 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:20:39,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:20:39,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:20:39,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:20:39,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:20:39,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:20:39,267 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:20:39,267 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:39,267 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:20:39,267 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_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b 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 -> a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 [2024-12-06 00:20:39,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:20:39,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:20:39,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:20:39,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:20:39,550 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:20:39,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2024-12-06 00:20:42,293 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/data/213007076/26b6150cf78e49f682ff2d3d08fb31e2/FLAG63e052152 [2024-12-06 00:20:42,607 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:20:42,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2024-12-06 00:20:42,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/data/213007076/26b6150cf78e49f682ff2d3d08fb31e2/FLAG63e052152 [2024-12-06 00:20:42,848 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/data/213007076/26b6150cf78e49f682ff2d3d08fb31e2 [2024-12-06 00:20:42,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:20:42,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:20:42,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:20:42,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:20:42,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:20:42,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:20:42" (1/1) ... [2024-12-06 00:20:42,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69fc42cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:42, skipping insertion in model container [2024-12-06 00:20:42,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:20:42" (1/1) ... [2024-12-06 00:20:42,899 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:20:43,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:20:43,636 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:20:43,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:20:43,819 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:20:43,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43 WrapperNode [2024-12-06 00:20:43,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:20:43,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:20:43,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:20:43,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:20:43,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,864 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 66 [2024-12-06 00:20:43,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:20:43,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:20:43,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:20:43,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:20:43,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,883 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:20:43,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:20:43,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:20:43,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:20:43,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:43" (1/1) ... [2024-12-06 00:20:43,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:20:43,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:20:43,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:20:43,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:20:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:20:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:20:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:20:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:20:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:20:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:20:44,082 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:20:44,084 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:20:44,201 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 00:20:44,201 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:20:44,238 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:20:44,238 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:20:44,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:20:44 BoogieIcfgContainer [2024-12-06 00:20:44,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:20:44,239 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:20:44,239 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:20:44,249 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:20:44,249 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:20:44" (1/1) ... [2024-12-06 00:20:44,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:20:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 00:20:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 00:20:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:20:44,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:44,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:44,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:44,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:44,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:20:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:44,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:44,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:20:44,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:44,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:20:44,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:20:44,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:44,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 00:20:44,542 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 00:20:44,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:20:44,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:44,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:44,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:44,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:44,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:20:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:20:44,710 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:20:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:20:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:20:44,832 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:20:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:20:44,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:20:44,867 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:20:44,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:20:44 ImpRootNode [2024-12-06 00:20:44,890 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:20:44,890 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:20:44,890 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:20:44,890 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:20:44,891 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:20:44" (3/4) ... [2024-12-06 00:20:44,893 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:20:44,894 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:20:44,895 INFO L158 Benchmark]: Toolchain (without parser) took 2043.34ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 41.0MB in the end (delta: 25.0MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-12-06 00:20:44,896 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:20:44,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 967.54ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 60.9MB in the end (delta: 5.0MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-06 00:20:44,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.80ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 58.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:20:44,897 INFO L158 Benchmark]: Boogie Preprocessor took 26.91ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 56.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:20:44,897 INFO L158 Benchmark]: RCFGBuilder took 345.39ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 39.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:20:44,898 INFO L158 Benchmark]: CodeCheck took 650.72ms. Allocated memory is still 92.3MB. Free memory was 39.7MB in the beginning and 41.5MB in the end (delta: -1.9MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2024-12-06 00:20:44,898 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 92.3MB. Free memory was 41.5MB in the beginning and 41.0MB in the end (delta: 525.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:20:44,901 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 57 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. 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)={3:0}, 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 CWE190_Integer_Overflow__int_fgets_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_postinc_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] CALL funcPtr(data) [L1578] 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 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 967.54ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 60.9MB in the end (delta: 5.0MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.80ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 58.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.91ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 56.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 345.39ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 39.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 650.72ms. Allocated memory is still 92.3MB. Free memory was 39.7MB in the beginning and 41.5MB in the end (delta: -1.9MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 92.3MB. Free memory was 41.5MB in the beginning and 41.0MB in the end (delta: 525.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:20:44,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97679865-2966-4ed7-8809-0bc4396a874a/bin/ukojak-verify-CZk0znPC7b/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