./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_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_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/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_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/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_5c277e37-c6ae-4919-9449-fa297eb2ca04/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 1662a0a1bb5781a96ebe0a43800bee02f7d32295c8f6c443a6b6c5351ed37f0d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:32:01,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:32:01,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:32:01,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:32:01,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:32:01,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:32:01,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:32:01,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:32:01,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:32:01,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:32:01,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:32:01,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:32:01,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:32:01,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:32:01,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:32:01,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:32:01,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:32:01,602 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:32:01,602 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:32:01,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:32:01,603 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:32:01,603 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:32:01,603 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:32:01,603 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:32:01,603 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:32:01,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:32:01,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:32:01,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:32:01,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:32:01,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:32:01,604 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:32:01,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:32:01,604 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_5c277e37-c6ae-4919-9449-fa297eb2ca04/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 -> 1662a0a1bb5781a96ebe0a43800bee02f7d32295c8f6c443a6b6c5351ed37f0d [2024-12-06 01:32:01,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:32:01,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:32:01,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:32:01,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:32:01,846 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:32:01,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i [2024-12-06 01:32:04,508 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/data/77249c31a/49f2c815a7274350b9ae166be81b3868/FLAGa95620358 [2024-12-06 01:32:04,855 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:32:04,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i [2024-12-06 01:32:04,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/data/77249c31a/49f2c815a7274350b9ae166be81b3868/FLAGa95620358 [2024-12-06 01:32:05,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/data/77249c31a/49f2c815a7274350b9ae166be81b3868 [2024-12-06 01:32:05,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:32:05,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:32:05,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:32:05,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:32:05,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:32:05,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:32:05" (1/1) ... [2024-12-06 01:32:05,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101638e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:05, skipping insertion in model container [2024-12-06 01:32:05,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:32:05" (1/1) ... [2024-12-06 01:32:05,104 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:32:05,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:32:05,739 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:32:05,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:32:05,903 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:32:05,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:05 WrapperNode [2024-12-06 01:32:05,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:32:05,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:32:05,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:32:05,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:32:05,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:05" (1/1) ... [2024-12-06 01:32:05,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:05" (1/1) ... [2024-12-06 01:32:05,943 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 67 [2024-12-06 01:32:05,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:32:05,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:32:05,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:32:05,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:32:05,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:05" (1/1) ... [2024-12-06 01:32:05,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:05" (1/1) ... [2024-12-06 01:32:05,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:05" (1/1) ... [2024-12-06 01:32:05,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:05" (1/1) ... [2024-12-06 01:32:05,957 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:05" (1/1) ... [2024-12-06 01:32:05,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:05" (1/1) ... [2024-12-06 01:32:05,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:05" (1/1) ... [2024-12-06 01:32:05,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:05" (1/1) ... [2024-12-06 01:32:05,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:05" (1/1) ... [2024-12-06 01:32:05,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:32:05,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:32:05,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:32:05,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:32:05,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:05" (1/1) ... [2024-12-06 01:32:05,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:32:05,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:32:05,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:32:05,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:32:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:32:06,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:32:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:32:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:32:06,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:32:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:32:06,126 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:32:06,128 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:32:06,219 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 01:32:06,219 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:32:06,248 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:32:06,248 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:32:06,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:32:06 BoogieIcfgContainer [2024-12-06 01:32:06,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:32:06,249 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:32:06,249 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:32:06,256 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:32:06,256 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:32:06" (1/1) ... [2024-12-06 01:32:06,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:32:06,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:06,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 01:32:06,299 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 01:32:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:32:06,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:06,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:06,593 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 01:32:06,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:06,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 01:32:06,651 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 01:32:06,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:32:06,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:06,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:32:06,679 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:32:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:32:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:32:06,750 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:32:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:32:06,778 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:32:06,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:32:06 ImpRootNode [2024-12-06 01:32:06,802 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:32:06,802 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:32:06,802 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:32:06,803 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:32:06,803 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:32:06" (3/4) ... [2024-12-06 01:32:06,805 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:32:06,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:32:06,807 INFO L158 Benchmark]: Toolchain (without parser) took 1745.46ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 48.4MB in the end (delta: 66.4MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-12-06 01:32:06,807 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:32:06,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 841.83ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 104.2MB in the end (delta: 10.4MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-12-06 01:32:06,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.04ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 101.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:32:06,808 INFO L158 Benchmark]: Boogie Preprocessor took 19.88ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 100.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:32:06,809 INFO L158 Benchmark]: RCFGBuilder took 282.92ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 86.2MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:32:06,809 INFO L158 Benchmark]: CodeCheck took 552.88ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 48.4MB in the end (delta: 37.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:32:06,809 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 142.6MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:32:06,811 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: 0.5s, 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1565, overapproximation of fgets at line 1563. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_postinc_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] 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] [L1563] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1565] data = atoi(inputBuffer) [L1572] CALL funcPtr(data) [L1551] 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 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 841.83ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 104.2MB in the end (delta: 10.4MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.04ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 101.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.88ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 100.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 282.92ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 86.2MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 552.88ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 48.4MB in the end (delta: 37.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 142.6MB. Free memory is still 48.4MB. 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 01:32:06,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/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_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/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_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/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_5c277e37-c6ae-4919-9449-fa297eb2ca04/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 1662a0a1bb5781a96ebe0a43800bee02f7d32295c8f6c443a6b6c5351ed37f0d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:32:08,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:32:08,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:32:08,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:32:08,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:32:08,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:32:08,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:32:08,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:32:08,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:32:08,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:32:08,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:32:08,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:32:08,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:32:08,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:32:08,844 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:32:08,844 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:32:08,844 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:32:08,844 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:32:08,844 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:32:08,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:32:08,845 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:32:08,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:32:08,845 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:32:08,845 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:32:08,845 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:32:08,845 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:32:08,845 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:32:08,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:32:08,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:32:08,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:32:08,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:32:08,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:32:08,846 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:32:08,846 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:32:08,846 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:32:08,846 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_5c277e37-c6ae-4919-9449-fa297eb2ca04/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 -> 1662a0a1bb5781a96ebe0a43800bee02f7d32295c8f6c443a6b6c5351ed37f0d [2024-12-06 01:32:09,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:32:09,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:32:09,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:32:09,087 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:32:09,087 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:32:09,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i [2024-12-06 01:32:11,792 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/data/22c7d3d5a/4c2a2398cacf4fc383210d9b38159064/FLAG63fb198cc [2024-12-06 01:32:12,077 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:32:12,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i [2024-12-06 01:32:12,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/data/22c7d3d5a/4c2a2398cacf4fc383210d9b38159064/FLAG63fb198cc [2024-12-06 01:32:12,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/data/22c7d3d5a/4c2a2398cacf4fc383210d9b38159064 [2024-12-06 01:32:12,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:32:12,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:32:12,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:32:12,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:32:12,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:32:12,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:32:12" (1/1) ... [2024-12-06 01:32:12,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a777581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:12, skipping insertion in model container [2024-12-06 01:32:12,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:32:12" (1/1) ... [2024-12-06 01:32:12,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:32:12,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:32:13,007 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:32:13,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:32:13,206 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:32:13,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:13 WrapperNode [2024-12-06 01:32:13,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:32:13,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:32:13,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:32:13,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:32:13,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:13" (1/1) ... [2024-12-06 01:32:13,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:13" (1/1) ... [2024-12-06 01:32:13,250 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 66 [2024-12-06 01:32:13,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:32:13,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:32:13,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:32:13,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:32:13,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:13" (1/1) ... [2024-12-06 01:32:13,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:13" (1/1) ... [2024-12-06 01:32:13,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:13" (1/1) ... [2024-12-06 01:32:13,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:13" (1/1) ... [2024-12-06 01:32:13,267 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:13" (1/1) ... [2024-12-06 01:32:13,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:13" (1/1) ... [2024-12-06 01:32:13,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:13" (1/1) ... [2024-12-06 01:32:13,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:13" (1/1) ... [2024-12-06 01:32:13,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:13" (1/1) ... [2024-12-06 01:32:13,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:32:13,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:32:13,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:32:13,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:32:13,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:32:13" (1/1) ... [2024-12-06 01:32:13,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:32:13,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:32:13,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:32:13,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:32:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:32:13,322 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:32:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:32:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:32:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:32:13,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:32:13,440 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:32:13,441 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:32:13,548 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 01:32:13,549 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:32:13,585 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:32:13,585 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:32:13,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:32:13 BoogieIcfgContainer [2024-12-06 01:32:13,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:32:13,586 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:32:13,586 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:32:13,594 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:32:13,594 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:32:13" (1/1) ... [2024-12-06 01:32:13,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:32:13,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:13,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 01:32:13,633 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 01:32:13,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:32:13,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:13,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:32:13,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:32:13,638 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:32:13,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:32:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:13,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:32:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:13,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 01:32:13,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:13,834 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 01:32:13,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:32:13,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:13,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 01:32:13,854 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 01:32:13,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:32:13,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:13,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:32:13,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:32:13,856 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:32:13,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:32:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:32:14,013 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:32:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:32:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:32:14,134 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:32:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:32:14,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:32:14,169 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:32:14,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:32:14 ImpRootNode [2024-12-06 01:32:14,189 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:32:14,189 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:32:14,189 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:32:14,190 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:32:14,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:32:13" (3/4) ... [2024-12-06 01:32:14,192 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:32:14,193 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:32:14,194 INFO L158 Benchmark]: Toolchain (without parser) took 1844.82ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 41.0MB in the end (delta: 25.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-12-06 01:32:14,194 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:32:14,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 857.63ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 62.1MB in the end (delta: 4.4MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-06 01:32:14,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.44ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:32:14,195 INFO L158 Benchmark]: Boogie Preprocessor took 22.63ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 57.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:32:14,195 INFO L158 Benchmark]: RCFGBuilder took 311.43ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 40.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:32:14,196 INFO L158 Benchmark]: CodeCheck took 602.98ms. Allocated memory is still 92.3MB. Free memory was 40.7MB in the beginning and 41.0MB in the end (delta: -330.4kB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-12-06 01:32:14,196 INFO L158 Benchmark]: Witness Printer took 3.59ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:32:14,199 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1565, overapproximation of fgets at line 1563. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_postinc_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] 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] [L1563] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1565] data = atoi(inputBuffer) [L1572] CALL funcPtr(data) [L1551] 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 0.46ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 857.63ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 62.1MB in the end (delta: 4.4MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.44ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.63ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 57.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 311.43ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 40.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 602.98ms. Allocated memory is still 92.3MB. Free memory was 40.7MB in the beginning and 41.0MB in the end (delta: -330.4kB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Witness Printer took 3.59ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 18.4kB). 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 01:32:14,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c277e37-c6ae-4919-9449-fa297eb2ca04/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