./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_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_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/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_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/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_6168d37b-a149-44ac-81a8-e82656048a4b/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 4835d71ad10fa33b78c8eb84d9ef1c8b34094f191f978bb908e5c75eb4871d2a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:21:01,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:21:01,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:21:01,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:21:01,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:21:01,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:21:01,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:21:01,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:21:01,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:21:01,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:21:01,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:21:01,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:21:01,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:21:01,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:21:01,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:21:01,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:21:01,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:21:01,551 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:21:01,551 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:21:01,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:21:01,552 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:21:01,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:21:01,552 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:21:01,552 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:21:01,552 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:21:01,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:21:01,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:21:01,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:21:01,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:21:01,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:21:01,552 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:21:01,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:21:01,553 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_6168d37b-a149-44ac-81a8-e82656048a4b/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 -> 4835d71ad10fa33b78c8eb84d9ef1c8b34094f191f978bb908e5c75eb4871d2a [2024-12-06 05:21:01,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:21:01,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:21:01,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:21:01,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:21:01,786 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:21:01,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_bad.i [2024-12-06 05:21:04,380 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/data/4854f2ff3/c0ba7769a0204a5498b02f4f413916a4/FLAGfad904b8e [2024-12-06 05:21:04,674 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:21:04,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_bad.i [2024-12-06 05:21:04,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/data/4854f2ff3/c0ba7769a0204a5498b02f4f413916a4/FLAGfad904b8e [2024-12-06 05:21:04,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/data/4854f2ff3/c0ba7769a0204a5498b02f4f413916a4 [2024-12-06 05:21:04,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:21:04,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:21:04,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:21:04,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:21:04,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:21:04,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:21:04" (1/1) ... [2024-12-06 05:21:04,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19e603ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:04, skipping insertion in model container [2024-12-06 05:21:04,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:21:04" (1/1) ... [2024-12-06 05:21:04,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:21:05,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:21:05,609 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:21:05,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:21:05,761 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:21:05,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05 WrapperNode [2024-12-06 05:21:05,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:21:05,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:21:05,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:21:05,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:21:05,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2024-12-06 05:21:05,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2024-12-06 05:21:05,799 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-12-06 05:21:05,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:21:05,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:21:05,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:21:05,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:21:05,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2024-12-06 05:21:05,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2024-12-06 05:21:05,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2024-12-06 05:21:05,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2024-12-06 05:21:05,812 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2024-12-06 05:21:05,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2024-12-06 05:21:05,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2024-12-06 05:21:05,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2024-12-06 05:21:05,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2024-12-06 05:21:05,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:21:05,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:21:05,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:21:05,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:21:05,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2024-12-06 05:21:05,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:21:05,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:21:05,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:21:05,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:21:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:21:05,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:21:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:21:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:21:05,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:21:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:21:05,978 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:21:05,979 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:21:06,082 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-06 05:21:06,082 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:21:06,115 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:21:06,115 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:21:06,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:06 BoogieIcfgContainer [2024-12-06 05:21:06,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:21:06,117 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:21:06,117 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:21:06,128 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:21:06,128 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:06" (1/1) ... [2024-12-06 05:21:06,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:21:06,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:06,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 05:21:06,185 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 05:21:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:21:06,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:06,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:21:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:06,406 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 05:21:06,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:06,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 05:21:06,440 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 05:21:06,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:21:06,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:06,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:21:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:21:06,469 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:21:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:21:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:21:06,537 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:21:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:21:06,563 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 05:21:06,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:21:06 ImpRootNode [2024-12-06 05:21:06,587 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:21:06,588 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:21:06,588 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:21:06,588 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:21:06,589 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:06" (3/4) ... [2024-12-06 05:21:06,590 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:21:06,591 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:21:06,592 INFO L158 Benchmark]: Toolchain (without parser) took 1637.61ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 34.2MB in the end (delta: 55.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-12-06 05:21:06,592 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:21:06,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 807.45ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.3MB in the end (delta: 7.7MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-12-06 05:21:06,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.68ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.0MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:21:06,593 INFO L158 Benchmark]: Boogie Preprocessor took 18.14ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:21:06,593 INFO L158 Benchmark]: RCFGBuilder took 297.22ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 64.3MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:21:06,594 INFO L158 Benchmark]: CodeCheck took 470.67ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 34.2MB in the end (delta: 29.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 05:21:06,594 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 117.4MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:21:06,596 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: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 11 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s 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: 1564]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of fgets at line 1554. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_fgets_add_01_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 807.45ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.3MB in the end (delta: 7.7MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.68ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.0MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.14ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.22ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 64.3MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 470.67ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 34.2MB in the end (delta: 29.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 117.4MB. Free memory is still 34.2MB. 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 05:21:06,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/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_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/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_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/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_6168d37b-a149-44ac-81a8-e82656048a4b/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 4835d71ad10fa33b78c8eb84d9ef1c8b34094f191f978bb908e5c75eb4871d2a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:21:08,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:21:08,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 05:21:08,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:21:08,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:21:08,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:21:08,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:21:08,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:21:08,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:21:08,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:21:08,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:21:08,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:21:08,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:21:08,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:21:08,622 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:21:08,622 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:21:08,622 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:21:08,623 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:21:08,623 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:21:08,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:21:08,623 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:21:08,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:21:08,623 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:21:08,623 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:21:08,623 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:21:08,623 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:08,623 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:21:08,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:21:08,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:21:08,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:21:08,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:21:08,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:21:08,624 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:21:08,624 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:08,624 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:21:08,624 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_6168d37b-a149-44ac-81a8-e82656048a4b/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 -> 4835d71ad10fa33b78c8eb84d9ef1c8b34094f191f978bb908e5c75eb4871d2a [2024-12-06 05:21:08,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:21:08,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:21:08,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:21:08,885 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:21:08,885 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:21:08,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_bad.i [2024-12-06 05:21:11,566 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/data/9518b385c/f35e5cca8a6749f0a7b537283c561630/FLAGad58184d5 [2024-12-06 05:21:11,840 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:21:11,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_bad.i [2024-12-06 05:21:11,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/data/9518b385c/f35e5cca8a6749f0a7b537283c561630/FLAGad58184d5 [2024-12-06 05:21:11,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/data/9518b385c/f35e5cca8a6749f0a7b537283c561630 [2024-12-06 05:21:11,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:21:11,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:21:11,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:21:11,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:21:11,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:21:11,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:21:11" (1/1) ... [2024-12-06 05:21:11,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef0f055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:11, skipping insertion in model container [2024-12-06 05:21:11,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:21:11" (1/1) ... [2024-12-06 05:21:11,924 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:21:12,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:21:12,570 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:21:12,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:21:12,775 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:21:12,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:12 WrapperNode [2024-12-06 05:21:12,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:21:12,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:21:12,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:21:12,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:21:12,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:12" (1/1) ... [2024-12-06 05:21:12,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:12" (1/1) ... [2024-12-06 05:21:12,819 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-12-06 05:21:12,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:21:12,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:21:12,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:21:12,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:21:12,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:12" (1/1) ... [2024-12-06 05:21:12,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:12" (1/1) ... [2024-12-06 05:21:12,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:12" (1/1) ... [2024-12-06 05:21:12,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:12" (1/1) ... [2024-12-06 05:21:12,836 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:12" (1/1) ... [2024-12-06 05:21:12,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:12" (1/1) ... [2024-12-06 05:21:12,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:12" (1/1) ... [2024-12-06 05:21:12,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:12" (1/1) ... [2024-12-06 05:21:12,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:12" (1/1) ... [2024-12-06 05:21:12,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:21:12,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:21:12,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:21:12,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:21:12,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:12" (1/1) ... [2024-12-06 05:21:12,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:21:12,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:21:12,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:21:12,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:21:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:21:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:21:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:21:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:21:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:21:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:21:13,006 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:21:13,007 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:21:13,106 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-06 05:21:13,106 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:21:13,142 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:21:13,142 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:21:13,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:13 BoogieIcfgContainer [2024-12-06 05:21:13,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:21:13,143 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:21:13,143 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:21:13,153 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:21:13,153 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:13" (1/1) ... [2024-12-06 05:21:13,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:21:13,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:13,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 05:21:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 05:21:13,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:21:13,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:13,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:13,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:21:13,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:21:13,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:21:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:13,320 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:21:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:13,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:21:13,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:13,386 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 05:21:13,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:21:13,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 05:21:13,408 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 05:21:13,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:21:13,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:13,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:13,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:21:13,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:21:13,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:21:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:21:13,546 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:21:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:21:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:21:13,660 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:21:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:21:13,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 05:21:13,690 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 05:21:13,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:21:13 ImpRootNode [2024-12-06 05:21:13,712 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:21:13,712 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:21:13,712 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:21:13,713 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:21:13,713 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:13" (3/4) ... [2024-12-06 05:21:13,715 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:21:13,716 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:21:13,717 INFO L158 Benchmark]: Toolchain (without parser) took 1836.27ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.0MB in the beginning and 95.3MB in the end (delta: -29.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-12-06 05:21:13,717 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:21:13,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 894.05ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 62.5MB in the end (delta: 3.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-12-06 05:21:13,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.95ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 59.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:21:13,718 INFO L158 Benchmark]: Boogie Preprocessor took 25.29ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:21:13,719 INFO L158 Benchmark]: RCFGBuilder took 296.53ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 42.6MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:21:13,719 INFO L158 Benchmark]: CodeCheck took 568.94ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 42.6MB in the beginning and 95.3MB in the end (delta: -52.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:21:13,720 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 95.3MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:21:13,722 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, 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, 49 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: 1564]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of fgets at line 1554. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_fgets_add_01_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 894.05ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 62.5MB in the end (delta: 3.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.95ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 59.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.29ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.53ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 42.6MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 568.94ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 42.6MB in the beginning and 95.3MB in the end (delta: -52.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 95.3MB 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 05:21:13,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6168d37b-a149-44ac-81a8-e82656048a4b/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