./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_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_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/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_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/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_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/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 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:05:39,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:05:39,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 06:05:39,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:05:39,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:05:39,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:05:39,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:05:39,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:05:39,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:05:39,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:05:39,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:05:39,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:05:39,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:05:39,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:05:39,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:05:39,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:05:39,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:05:39,314 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 06:05:39,314 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:05:39,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:05:39,314 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:05:39,314 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:05:39,314 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:05:39,314 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:05:39,314 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:05:39,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:05:39,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:05:39,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:05:39,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:05:39,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:05:39,315 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:05:39,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:05:39,315 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_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/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 -> 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f [2024-12-06 06:05:39,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:05:39,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:05:39,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:05:39,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:05:39,553 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:05:39,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i [2024-12-06 06:05:42,191 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/data/95d2c825d/93b56aece76e4fdabeff4f942bafeeb5/FLAGd5ec33462 [2024-12-06 06:05:42,516 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:05:42,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i [2024-12-06 06:05:42,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/data/95d2c825d/93b56aece76e4fdabeff4f942bafeeb5/FLAGd5ec33462 [2024-12-06 06:05:42,782 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/data/95d2c825d/93b56aece76e4fdabeff4f942bafeeb5 [2024-12-06 06:05:42,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:05:42,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:05:42,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:05:42,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:05:42,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:05:42,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:05:42" (1/1) ... [2024-12-06 06:05:42,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16817ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:42, skipping insertion in model container [2024-12-06 06:05:42,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:05:42" (1/1) ... [2024-12-06 06:05:42,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:05:43,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:05:43,510 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:05:43,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:05:43,697 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:05:43,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:43 WrapperNode [2024-12-06 06:05:43,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:05:43,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:05:43,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:05:43,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:05:43,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:43" (1/1) ... [2024-12-06 06:05:43,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:43" (1/1) ... [2024-12-06 06:05:43,734 INFO L138 Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2024-12-06 06:05:43,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:05:43,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:05:43,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:05:43,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:05:43,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:43" (1/1) ... [2024-12-06 06:05:43,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:43" (1/1) ... [2024-12-06 06:05:43,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:43" (1/1) ... [2024-12-06 06:05:43,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:43" (1/1) ... [2024-12-06 06:05:43,746 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:43" (1/1) ... [2024-12-06 06:05:43,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:43" (1/1) ... [2024-12-06 06:05:43,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:43" (1/1) ... [2024-12-06 06:05:43,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:43" (1/1) ... [2024-12-06 06:05:43,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:43" (1/1) ... [2024-12-06 06:05:43,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:05:43,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:05:43,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:05:43,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:05:43,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:43" (1/1) ... [2024-12-06 06:05:43,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:05:43,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:05:43,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:05:43,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:05:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 06:05:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 06:05:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 06:05:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 06:05:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:05:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:05:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:05:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 06:05:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 06:05:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:05:43,904 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:05:43,905 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:05:43,999 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 06:05:43,999 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:05:44,026 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:05:44,026 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:05:44,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:05:44 BoogieIcfgContainer [2024-12-06 06:05:44,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:05:44,027 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:05:44,028 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:05:44,035 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:05:44,035 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:05:44" (1/1) ... [2024-12-06 06:05:44,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:05:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:44,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 06:05:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 06:05:44,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:05:44,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:44,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:05:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:05:44,197 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:05:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:05:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:05:44,314 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:05:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:05:44,347 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:05:44,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:05:44 ImpRootNode [2024-12-06 06:05:44,370 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:05:44,370 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:05:44,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:05:44,371 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:05:44,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:05:44" (3/4) ... [2024-12-06 06:05:44,373 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:05:44,373 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:05:44,374 INFO L158 Benchmark]: Toolchain (without parser) took 1588.62ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 38.5MB in the end (delta: 51.5MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-12-06 06:05:44,374 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 71.7MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:05:44,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 911.07ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 80.3MB in the end (delta: 9.5MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-12-06 06:05:44,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.13ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 77.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:05:44,375 INFO L158 Benchmark]: Boogie Preprocessor took 15.95ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:05:44,376 INFO L158 Benchmark]: RCFGBuilder took 275.38ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 62.1MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:05:44,376 INFO L158 Benchmark]: CodeCheck took 342.57ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 38.5MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 06:05:44,376 INFO L158 Benchmark]: Witness Printer took 2.87ms. Allocated memory is still 117.4MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:05:44,378 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32138:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1577] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] data * 2 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 117.4MB. Free memory was 71.8MB in the beginning and 71.7MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 911.07ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 80.3MB in the end (delta: 9.5MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.13ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 77.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.95ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.38ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 62.1MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 342.57ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 38.5MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 2.87ms. Allocated memory is still 117.4MB. Free memory is still 38.5MB. 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 06:05:44,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/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_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/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_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/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_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/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 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:05:46,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:05:46,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 06:05:46,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:05:46,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:05:46,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:05:46,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:05:46,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:05:46,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:05:46,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:05:46,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:05:46,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:05:46,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:05:46,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:05:46,433 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:05:46,434 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:05:46,434 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 06:05:46,434 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:05:46,434 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:05:46,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:05:46,434 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:05:46,434 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:05:46,434 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:05:46,434 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:05:46,434 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:05:46,434 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:46,434 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:05:46,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:05:46,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:05:46,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:05:46,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:05:46,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:05:46,435 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:05:46,435 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:46,435 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:05:46,435 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_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/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 -> 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f [2024-12-06 06:05:46,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:05:46,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:05:46,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:05:46,698 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:05:46,698 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:05:46,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i [2024-12-06 06:05:49,394 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/data/a69d8dc69/09d34efce57f41d1a68f0a0cdf6f7bc8/FLAG065a6b780 [2024-12-06 06:05:49,665 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:05:49,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i [2024-12-06 06:05:49,688 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/data/a69d8dc69/09d34efce57f41d1a68f0a0cdf6f7bc8/FLAG065a6b780 [2024-12-06 06:05:49,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/data/a69d8dc69/09d34efce57f41d1a68f0a0cdf6f7bc8 [2024-12-06 06:05:49,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:05:49,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:05:49,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:05:49,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:05:49,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:05:49,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:05:49" (1/1) ... [2024-12-06 06:05:49,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4c4a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:49, skipping insertion in model container [2024-12-06 06:05:49,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:05:49" (1/1) ... [2024-12-06 06:05:49,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:05:50,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:05:50,432 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:05:50,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:05:50,608 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:05:50,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:50 WrapperNode [2024-12-06 06:05:50,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:05:50,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:05:50,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:05:50,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:05:50,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:50" (1/1) ... [2024-12-06 06:05:50,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:50" (1/1) ... [2024-12-06 06:05:50,652 INFO L138 Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-12-06 06:05:50,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:05:50,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:05:50,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:05:50,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:05:50,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:50" (1/1) ... [2024-12-06 06:05:50,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:50" (1/1) ... [2024-12-06 06:05:50,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:50" (1/1) ... [2024-12-06 06:05:50,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:50" (1/1) ... [2024-12-06 06:05:50,670 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:50" (1/1) ... [2024-12-06 06:05:50,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:50" (1/1) ... [2024-12-06 06:05:50,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:50" (1/1) ... [2024-12-06 06:05:50,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:50" (1/1) ... [2024-12-06 06:05:50,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:50" (1/1) ... [2024-12-06 06:05:50,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:05:50,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:05:50,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:05:50,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:05:50,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:50" (1/1) ... [2024-12-06 06:05:50,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:05:50,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:05:50,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:05:50,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:05:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 06:05:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 06:05:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 06:05:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:05:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:05:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:05:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:05:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 06:05:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 06:05:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 06:05:50,842 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:05:50,843 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:05:50,973 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 06:05:50,973 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:05:51,005 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:05:51,005 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:05:51,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:05:51 BoogieIcfgContainer [2024-12-06 06:05:51,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:05:51,006 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:05:51,006 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:05:51,013 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:05:51,013 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:05:51" (1/1) ... [2024-12-06 06:05:51,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:05:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 06:05:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 06:05:51,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:05:51,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:51,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:51,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:51,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:51,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:05:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:05:51,290 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:05:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:05:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:05:51,452 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:05:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:05:51,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:05:51,505 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:05:51,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:05:51 ImpRootNode [2024-12-06 06:05:51,528 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:05:51,528 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:05:51,528 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:05:51,529 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:05:51,529 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:05:51" (3/4) ... [2024-12-06 06:05:51,531 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:05:51,531 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:05:51,532 INFO L158 Benchmark]: Toolchain (without parser) took 1826.37ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 48.6MB in the end (delta: 18.3MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-12-06 06:05:51,533 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:05:51,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 902.05ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 61.6MB in the end (delta: 5.0MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-06 06:05:51,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.78ms. Allocated memory is still 92.3MB. Free memory was 61.6MB in the beginning and 59.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:05:51,534 INFO L158 Benchmark]: Boogie Preprocessor took 26.10ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 57.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:05:51,534 INFO L158 Benchmark]: RCFGBuilder took 325.71ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 40.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:05:51,534 INFO L158 Benchmark]: CodeCheck took 521.96ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 48.6MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:05:51,535 INFO L158 Benchmark]: Witness Printer took 3.24ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 48.6MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:05:51,537 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1577] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] data * 2 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 0.33ms. Allocated memory is still 83.9MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 902.05ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 61.6MB in the end (delta: 5.0MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.78ms. Allocated memory is still 92.3MB. Free memory was 61.6MB in the beginning and 59.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.10ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 57.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 325.71ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 40.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 521.96ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 48.6MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.24ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 48.6MB 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 06:05:51,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3e50fb-5586-4fd3-b26a-ad25868f4ed4/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