./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_52_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_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/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_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/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_3ed22385-5062-4347-a146-97b537af5384/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 8d4123c040e416468a5e1ae07bfe0e41e1beaf83cc2d0ad962c6363cf4e58742 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:37:12,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:37:12,932 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:37:12,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:37:12,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:37:12,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:37:12,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:37:12,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:37:12,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:37:12,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:37:12,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:37:12,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:37:12,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:37:12,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:37:12,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:37:12,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:37:12,960 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:37:12,960 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:37:12,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:37:12,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:37:12,960 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:37:12,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:37:12,960 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:37:12,960 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:37:12,960 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:37:12,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:37:12,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:37:12,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:37:12,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:37:12,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:37:12,961 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:37:12,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:37:12,961 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_3ed22385-5062-4347-a146-97b537af5384/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 -> 8d4123c040e416468a5e1ae07bfe0e41e1beaf83cc2d0ad962c6363cf4e58742 [2024-12-06 00:37:13,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:37:13,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:37:13,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:37:13,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:37:13,205 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:37:13,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_52_bad.i [2024-12-06 00:37:15,837 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/data/d6134ad7f/7d0b05d3d0c840eb8e1c6d18141afaf7/FLAG8d4bbb861 [2024-12-06 00:37:16,130 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:37:16,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_52_bad.i [2024-12-06 00:37:16,151 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/data/d6134ad7f/7d0b05d3d0c840eb8e1c6d18141afaf7/FLAG8d4bbb861 [2024-12-06 00:37:16,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/data/d6134ad7f/7d0b05d3d0c840eb8e1c6d18141afaf7 [2024-12-06 00:37:16,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:37:16,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:37:16,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:37:16,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:37:16,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:37:16,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:37:16" (1/1) ... [2024-12-06 00:37:16,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a42e848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:16, skipping insertion in model container [2024-12-06 00:37:16,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:37:16" (1/1) ... [2024-12-06 00:37:16,429 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:37:16,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:37:16,967 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:37:17,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:37:17,141 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:37:17,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:17 WrapperNode [2024-12-06 00:37:17,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:37:17,142 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:37:17,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:37:17,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:37:17,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:17" (1/1) ... [2024-12-06 00:37:17,160 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:17" (1/1) ... [2024-12-06 00:37:17,175 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 62 [2024-12-06 00:37:17,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:37:17,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:37:17,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:37:17,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:37:17,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:17" (1/1) ... [2024-12-06 00:37:17,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:17" (1/1) ... [2024-12-06 00:37:17,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:17" (1/1) ... [2024-12-06 00:37:17,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:17" (1/1) ... [2024-12-06 00:37:17,187 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:17" (1/1) ... [2024-12-06 00:37:17,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:17" (1/1) ... [2024-12-06 00:37:17,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:17" (1/1) ... [2024-12-06 00:37:17,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:17" (1/1) ... [2024-12-06 00:37:17,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:17" (1/1) ... [2024-12-06 00:37:17,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:37:17,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:37:17,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:37:17,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:37:17,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:17" (1/1) ... [2024-12-06 00:37:17,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:37:17,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:37:17,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:37:17,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:37:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:37:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:37:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:37:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:37:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:37:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:37:17,344 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:37:17,345 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:37:17,438 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-06 00:37:17,438 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:37:17,467 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:37:17,467 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:37:17,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:37:17 BoogieIcfgContainer [2024-12-06 00:37:17,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:37:17,468 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:37:17,468 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:37:17,477 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:37:17,477 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:37:17" (1/1) ... [2024-12-06 00:37:17,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:37:17,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:17,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 00:37:17,529 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 00:37:17,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:37:17,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:17,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:37:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:17,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:37:17,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:17,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 00:37:17,870 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 00:37:17,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:37:17,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:17,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:37:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:37:17,897 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:37:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:37:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:37:17,965 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:37:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:37:17,994 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:37:18,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:37:18 ImpRootNode [2024-12-06 00:37:18,016 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:37:18,017 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:37:18,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:37:18,017 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:37:18,018 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:37:17" (3/4) ... [2024-12-06 00:37:18,020 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:37:18,020 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:37:18,021 INFO L158 Benchmark]: Toolchain (without parser) took 1628.07ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 52.6MB in the end (delta: 62.8MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-12-06 00:37:18,022 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:37:18,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 747.79ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 106.6MB in the end (delta: 8.7MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-12-06 00:37:18,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.15ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 104.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:37:18,023 INFO L158 Benchmark]: Boogie Preprocessor took 15.85ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:37:18,023 INFO L158 Benchmark]: RCFGBuilder took 275.45ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 88.7MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:37:18,024 INFO L158 Benchmark]: CodeCheck took 548.56ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 52.6MB in the end (delta: 36.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:37:18,024 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 142.6MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:37:18,026 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1582]: 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 CWE190_Integer_Overflow__int_fgets_add_52_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=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 CWE190_Integer_Overflow__int_fgets_add_52b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_add_52c_badSink(data) [L1582] 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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 747.79ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 106.6MB in the end (delta: 8.7MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.15ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 104.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.85ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.45ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 88.7MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 548.56ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 52.6MB in the end (delta: 36.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 142.6MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:37:18,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/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_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/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_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/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_3ed22385-5062-4347-a146-97b537af5384/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 8d4123c040e416468a5e1ae07bfe0e41e1beaf83cc2d0ad962c6363cf4e58742 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:37:19,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:37:20,018 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:37:20,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:37:20,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:37:20,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:37:20,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:37:20,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:37:20,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:37:20,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:37:20,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:37:20,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:37:20,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:37:20,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:37:20,045 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:37:20,045 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:37:20,045 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:37:20,045 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:37:20,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:37:20,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:37:20,046 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:37:20,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:37:20,046 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:37:20,046 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:37:20,046 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:37:20,046 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:20,046 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:37:20,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:37:20,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:37:20,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:37:20,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:37:20,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:37:20,047 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:37:20,047 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:20,047 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:37:20,048 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_3ed22385-5062-4347-a146-97b537af5384/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 -> 8d4123c040e416468a5e1ae07bfe0e41e1beaf83cc2d0ad962c6363cf4e58742 [2024-12-06 00:37:20,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:37:20,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:37:20,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:37:20,272 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:37:20,273 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:37:20,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_52_bad.i [2024-12-06 00:37:22,928 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/data/a5bf19088/66af1329301f492f9dd45326cfb57f5f/FLAG1765825ae [2024-12-06 00:37:23,194 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:37:23,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_52_bad.i [2024-12-06 00:37:23,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/data/a5bf19088/66af1329301f492f9dd45326cfb57f5f/FLAG1765825ae [2024-12-06 00:37:23,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/data/a5bf19088/66af1329301f492f9dd45326cfb57f5f [2024-12-06 00:37:23,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:37:23,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:37:23,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:37:23,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:37:23,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:37:23,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:37:23" (1/1) ... [2024-12-06 00:37:23,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@358b6081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:23, skipping insertion in model container [2024-12-06 00:37:23,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:37:23" (1/1) ... [2024-12-06 00:37:23,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:37:23,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:37:23,888 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:37:23,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:37:24,060 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:37:24,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:24 WrapperNode [2024-12-06 00:37:24,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:37:24,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:37:24,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:37:24,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:37:24,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:24" (1/1) ... [2024-12-06 00:37:24,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:24" (1/1) ... [2024-12-06 00:37:24,100 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2024-12-06 00:37:24,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:37:24,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:37:24,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:37:24,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:37:24,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:24" (1/1) ... [2024-12-06 00:37:24,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:24" (1/1) ... [2024-12-06 00:37:24,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:24" (1/1) ... [2024-12-06 00:37:24,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:24" (1/1) ... [2024-12-06 00:37:24,117 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:24" (1/1) ... [2024-12-06 00:37:24,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:24" (1/1) ... [2024-12-06 00:37:24,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:24" (1/1) ... [2024-12-06 00:37:24,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:24" (1/1) ... [2024-12-06 00:37:24,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:24" (1/1) ... [2024-12-06 00:37:24,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:37:24,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:37:24,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:37:24,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:37:24,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:24" (1/1) ... [2024-12-06 00:37:24,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:37:24,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:37:24,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:37:24,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:37:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:37:24,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:37:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:37:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:37:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:37:24,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:37:24,309 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:37:24,310 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:37:24,409 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-12-06 00:37:24,409 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:37:24,442 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:37:24,442 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:37:24,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:37:24 BoogieIcfgContainer [2024-12-06 00:37:24,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:37:24,443 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:37:24,444 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:37:24,453 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:37:24,454 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:37:24" (1/1) ... [2024-12-06 00:37:24,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:37:24,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:24,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 00:37:24,497 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 00:37:24,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:37:24,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:24,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:24,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:24,501 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:24,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:37:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:24,629 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:24,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:37:24,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:24,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:37:24,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:37:24,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:24,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 00:37:24,707 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 00:37:24,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:37:24,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:24,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:24,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:24,710 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:24,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:37:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:37:24,834 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:37:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:37:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:37:24,926 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:37:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:37:24,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:37:24,957 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:37:24,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:37:24 ImpRootNode [2024-12-06 00:37:24,977 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:37:24,978 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:37:24,978 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:37:24,978 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:37:24,979 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:37:24" (3/4) ... [2024-12-06 00:37:24,980 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:37:24,981 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:37:24,982 INFO L158 Benchmark]: Toolchain (without parser) took 1749.77ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 42.4MB in the end (delta: 24.2MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-12-06 00:37:24,982 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:37:24,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 827.49ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 61.7MB in the end (delta: 4.7MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-12-06 00:37:24,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.00ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 58.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:37:24,983 INFO L158 Benchmark]: Boogie Preprocessor took 23.98ms. Allocated memory is still 92.3MB. Free memory was 58.9MB 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 00:37:24,984 INFO L158 Benchmark]: RCFGBuilder took 317.62ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 41.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:37:24,984 INFO L158 Benchmark]: CodeCheck took 534.04ms. Allocated memory is still 92.3MB. Free memory was 41.3MB in the beginning and 42.4MB in the end (delta: -1.1MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-12-06 00:37:24,985 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 92.3MB. Free memory was 42.4MB in the beginning and 42.4MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:37:24,987 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, 52 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: 1582]: 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 CWE190_Integer_Overflow__int_fgets_add_52_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=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 CWE190_Integer_Overflow__int_fgets_add_52b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_add_52c_badSink(data) [L1582] 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 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 827.49ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 61.7MB in the end (delta: 4.7MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.00ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 58.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.98ms. Allocated memory is still 92.3MB. Free memory was 58.9MB in the beginning and 57.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.62ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 41.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 534.04ms. Allocated memory is still 92.3MB. Free memory was 41.3MB in the beginning and 42.4MB in the end (delta: -1.1MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 92.3MB. Free memory was 42.4MB in the beginning and 42.4MB 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 00:37:25,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed22385-5062-4347-a146-97b537af5384/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