./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:52:09,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:52:09,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:52:09,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:52:09,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:52:09,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:52:09,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:52:09,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:52:09,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:52:09,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:52:09,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:52:09,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:52:09,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:52:09,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:52:09,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:52:09,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:52:09,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:52:09,609 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:52:09,609 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:52:09,609 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:52:09,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:52:09,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:52:09,611 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:52:09,611 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:52:09,611 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:52:09,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:52:09,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:09,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:52:09,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:52:09,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:52:09,612 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:52:09,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:52:09,612 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_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 [2024-11-13 20:52:09,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:52:09,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:52:09,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:52:09,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:52:09,945 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:52:09,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i Unable to find full path for "g++" [2024-11-13 20:52:11,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:52:12,342 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:52:12,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2024-11-13 20:52:12,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/data/0e0843b60/72b88692433f4686bc99f97f0803582f/FLAG76bff93b7 [2024-11-13 20:52:12,378 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/data/0e0843b60/72b88692433f4686bc99f97f0803582f [2024-11-13 20:52:12,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:52:12,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:52:12,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:12,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:52:12,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:52:12,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:12" (1/1) ... [2024-11-13 20:52:12,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c91e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:12, skipping insertion in model container [2024-11-13 20:52:12,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:12" (1/1) ... [2024-11-13 20:52:12,441 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:52:13,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:13,303 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:52:13,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:13,580 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:52:13,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13 WrapperNode [2024-11-13 20:52:13,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:13,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:13,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:52:13,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:52:13,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,628 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 73 [2024-11-13 20:52:13,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:13,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:52:13,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:52:13,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:52:13,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:52:13,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:52:13,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:52:13,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:52:13,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:13,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:52:13,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:52:13,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:52:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:52:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:52:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:52:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:52:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:52:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:52:13,931 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:52:13,933 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:52:14,105 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 20:52:14,105 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:52:14,166 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:52:14,167 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:52:14,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:14 BoogieIcfgContainer [2024-11-13 20:52:14,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:52:14,168 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:52:14,168 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:52:14,179 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:52:14,179 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:14" (1/1) ... [2024-11-13 20:52:14,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:52:14,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:14,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:52:14,261 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:52:14,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:52:14,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:14,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:52:14,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:14,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 20:52:14,804 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 20:52:14,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:52:14,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:14,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:14,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:52:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:14,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:52:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:14,979 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:52:15,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:52:15 ImpRootNode [2024-11-13 20:52:15,018 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:52:15,018 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:52:15,018 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:52:15,019 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:52:15,019 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:14" (3/4) ... [2024-11-13 20:52:15,021 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:52:15,022 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:52:15,023 INFO L158 Benchmark]: Toolchain (without parser) took 2641.91ms. Allocated memory is still 109.1MB. Free memory was 79.8MB in the beginning and 53.0MB in the end (delta: 26.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-11-13 20:52:15,023 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:15,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1199.28ms. Allocated memory is still 109.1MB. Free memory was 79.8MB in the beginning and 63.5MB in the end (delta: 16.4MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-13 20:52:15,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.13ms. Allocated memory is still 109.1MB. Free memory was 63.5MB in the beginning and 61.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:52:15,024 INFO L158 Benchmark]: Boogie Preprocessor took 22.04ms. Allocated memory is still 109.1MB. Free memory was 61.2MB in the beginning and 59.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:15,025 INFO L158 Benchmark]: RCFGBuilder took 515.65ms. Allocated memory is still 109.1MB. Free memory was 59.9MB in the beginning and 45.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:52:15,025 INFO L158 Benchmark]: CodeCheck took 850.01ms. Allocated memory is still 109.1MB. Free memory was 45.0MB in the beginning and 53.8MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:15,025 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 109.1MB. Free memory was 53.0MB in the beginning and 53.0MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:15,028 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s 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 - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1570, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_fgets_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_postinc_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] CALL funcPtr(data) [L1578] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1199.28ms. Allocated memory is still 109.1MB. Free memory was 79.8MB in the beginning and 63.5MB in the end (delta: 16.4MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.13ms. Allocated memory is still 109.1MB. Free memory was 63.5MB in the beginning and 61.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.04ms. Allocated memory is still 109.1MB. Free memory was 61.2MB in the beginning and 59.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 515.65ms. Allocated memory is still 109.1MB. Free memory was 59.9MB in the beginning and 45.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 850.01ms. Allocated memory is still 109.1MB. Free memory was 45.0MB in the beginning and 53.8MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 109.1MB. Free memory was 53.0MB in the beginning and 53.0MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:52:15,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/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_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:52:17,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:52:17,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:52:17,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:52:17,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:52:17,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:52:17,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:52:17,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:52:17,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:52:17,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:52:17,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:52:17,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:52:17,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:52:17,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:52:17,920 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:52:17,920 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:52:17,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:52:17,920 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:52:17,920 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:52:17,920 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:52:17,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:52:17,921 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:52:17,921 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:52:17,921 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:52:17,921 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:52:17,921 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:17,921 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:52:17,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:52:17,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:17,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:52:17,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:52:17,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:52:17,924 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:52:17,924 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:17,925 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:52:17,925 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_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 [2024-11-13 20:52:18,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:52:18,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:52:18,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:52:18,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:52:18,256 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:52:18,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i Unable to find full path for "g++" [2024-11-13 20:52:20,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:52:20,629 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:52:20,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2024-11-13 20:52:20,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/data/48e4bdadb/939872e3a6134ac9aa8f97083d07a312/FLAG19ba027d8 [2024-11-13 20:52:20,691 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/data/48e4bdadb/939872e3a6134ac9aa8f97083d07a312 [2024-11-13 20:52:20,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:52:20,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:52:20,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:20,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:52:20,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:52:20,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:20" (1/1) ... [2024-11-13 20:52:20,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71afeec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:20, skipping insertion in model container [2024-11-13 20:52:20,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:20" (1/1) ... [2024-11-13 20:52:20,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:52:21,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:21,688 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:52:21,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:22,071 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:52:22,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:22 WrapperNode [2024-11-13 20:52:22,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:22,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:22,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:52:22,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:52:22,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:22" (1/1) ... [2024-11-13 20:52:22,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:22" (1/1) ... [2024-11-13 20:52:22,141 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 72 [2024-11-13 20:52:22,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:22,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:52:22,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:52:22,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:52:22,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:22" (1/1) ... [2024-11-13 20:52:22,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:22" (1/1) ... [2024-11-13 20:52:22,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:22" (1/1) ... [2024-11-13 20:52:22,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:22" (1/1) ... [2024-11-13 20:52:22,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:22" (1/1) ... [2024-11-13 20:52:22,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:22" (1/1) ... [2024-11-13 20:52:22,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:22" (1/1) ... [2024-11-13 20:52:22,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:22" (1/1) ... [2024-11-13 20:52:22,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:52:22,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:52:22,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:52:22,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:52:22,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:22" (1/1) ... [2024-11-13 20:52:22,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:22,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:52:22,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:52:22,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:52:22,249 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:52:22,249 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:52:22,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:52:22,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:52:22,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:52:22,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:52:22,412 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:52:22,414 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:52:22,552 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 20:52:22,552 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:52:22,635 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:52:22,636 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:52:22,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:22 BoogieIcfgContainer [2024-11-13 20:52:22,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:52:22,637 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:52:22,637 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:52:22,650 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:52:22,650 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:22" (1/1) ... [2024-11-13 20:52:22,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:52:22,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:22,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:52:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:52:22,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:52:22,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:22,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:22,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:22,714 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:22,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:52:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:22,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:22,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:52:22,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:52:22,982 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:52:22,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:52:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:23,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:52:23,011 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:52:23,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:52:23,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:23,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:23,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:23,015 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:23,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:52:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:23,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:52:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:23,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:52:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:23,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:52:23,452 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:52:23,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:52:23 ImpRootNode [2024-11-13 20:52:23,484 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:52:23,484 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:52:23,484 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:52:23,485 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:52:23,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:22" (3/4) ... [2024-11-13 20:52:23,489 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:52:23,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:52:23,490 INFO L158 Benchmark]: Toolchain (without parser) took 2794.45ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 44.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-13 20:52:23,491 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:23,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1373.65ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 49.8MB in the end (delta: 6.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 20:52:23,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.63ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 47.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:23,492 INFO L158 Benchmark]: Boogie Preprocessor took 45.43ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 45.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:23,492 INFO L158 Benchmark]: RCFGBuilder took 448.51ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 52.4MB in the end (delta: -6.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-13 20:52:23,493 INFO L158 Benchmark]: CodeCheck took 846.97ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 45.3MB in the end (delta: 7.1MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-11-13 20:52:23,493 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 44.8MB in the end (delta: 443.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:23,499 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 12 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, 12 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, 59 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 - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1570, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_fgets_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_postinc_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] CALL funcPtr(data) [L1578] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1373.65ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 49.8MB in the end (delta: 6.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.63ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 47.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.43ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 45.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 448.51ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 52.4MB in the end (delta: -6.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * CodeCheck took 846.97ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 45.3MB in the end (delta: 7.1MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 44.8MB in the end (delta: 443.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:52:23,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62449d27-ba1c-40de-9440-5ac933b8b438/bin/ukojak-verify-EEHR8qb7sm/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