./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_21_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_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/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_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/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_598c589d-1763-477a-9314-565c222492ad/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 cc43c785b916715d9d06d5df936065bfc94a711ee443867dc58acdb6bafa4f02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:42,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:42,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:17:42,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:42,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:42,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:42,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:42,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:42,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:42,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:42,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:42,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:42,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:42,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:42,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:42,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:42,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:42,522 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:42,522 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:42,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:42,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:42,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:42,523 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:42,523 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:42,523 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:42,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:42,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:42,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:42,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:42,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:42,525 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:42,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:42,525 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_598c589d-1763-477a-9314-565c222492ad/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 -> cc43c785b916715d9d06d5df936065bfc94a711ee443867dc58acdb6bafa4f02 [2024-11-13 20:17:42,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:42,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:42,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:42,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:42,887 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:42,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_21_bad.i Unable to find full path for "g++" [2024-11-13 20:17:44,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:45,428 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:45,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_21_bad.i [2024-11-13 20:17:45,459 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/data/34a51129c/575779b0e77c4424a552e9c635bd6599/FLAG203e388cd [2024-11-13 20:17:45,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/data/34a51129c/575779b0e77c4424a552e9c635bd6599 [2024-11-13 20:17:45,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:45,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:45,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:45,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:45,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:45,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:45" (1/1) ... [2024-11-13 20:17:45,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170f8cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:45, skipping insertion in model container [2024-11-13 20:17:45,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:45" (1/1) ... [2024-11-13 20:17:45,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:46,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:46,589 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:46,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:46,911 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:46,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:46 WrapperNode [2024-11-13 20:17:46,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:46,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:46,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:46,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:46,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:46" (1/1) ... [2024-11-13 20:17:46,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:46" (1/1) ... [2024-11-13 20:17:46,983 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-13 20:17:46,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:46,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:46,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:46,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:46,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:46" (1/1) ... [2024-11-13 20:17:46,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:46" (1/1) ... [2024-11-13 20:17:46,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:46" (1/1) ... [2024-11-13 20:17:47,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:46" (1/1) ... [2024-11-13 20:17:47,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:46" (1/1) ... [2024-11-13 20:17:47,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:46" (1/1) ... [2024-11-13 20:17:47,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:46" (1/1) ... [2024-11-13 20:17:47,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:46" (1/1) ... [2024-11-13 20:17:47,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:47,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:47,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:47,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:47,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:46" (1/1) ... [2024-11-13 20:17:47,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:47,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:47,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:47,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:17:47,319 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:47,322 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:47,511 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:47,512 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:47,604 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:47,605 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:47,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:47 BoogieIcfgContainer [2024-11-13 20:17:47,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:47,606 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:47,606 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:47,628 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:47,628 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:47" (1/1) ... [2024-11-13 20:17:47,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:47,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:47,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 20:17:47,762 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 20:17:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:17:47,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:47,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:48,271 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 20:17:48,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:48,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-13 20:17:48,370 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-13 20:17:48,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:17:48,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:48,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:48,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:48,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:48,670 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:17:48,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:48 ImpRootNode [2024-11-13 20:17:48,715 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:48,716 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:48,716 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:48,716 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:48,718 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:47" (3/4) ... [2024-11-13 20:17:48,721 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:48,722 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:48,723 INFO L158 Benchmark]: Toolchain (without parser) took 3239.38ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 90.2MB in the beginning and 294.8MB in the end (delta: -204.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-13 20:17:48,724 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:48,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1428.84ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 80.6MB in the end (delta: 9.5MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2024-11-13 20:17:48,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.26ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 77.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:48,725 INFO L158 Benchmark]: Boogie Preprocessor took 40.28ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:48,725 INFO L158 Benchmark]: RCFGBuilder took 579.23ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 61.5MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:48,729 INFO L158 Benchmark]: CodeCheck took 1109.09ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 61.5MB in the beginning and 295.5MB in the end (delta: -234.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:48,730 INFO L158 Benchmark]: Witness Printer took 6.43ms. Allocated memory is still 335.5MB. Free memory was 295.5MB in the beginning and 294.8MB in the end (delta: 682.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:48,733 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 13 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1566. 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); [L1548] static int badStatic = 0; [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_preinc_21_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] data = atoi(inputBuffer) [L1575] badStatic = 1 [L1576] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.40ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1428.84ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 80.6MB in the end (delta: 9.5MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.26ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 77.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.28ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 579.23ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 61.5MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1109.09ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 61.5MB in the beginning and 295.5MB in the end (delta: -234.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.43ms. Allocated memory is still 335.5MB. Free memory was 295.5MB in the beginning and 294.8MB in the end (delta: 682.8kB). 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 20:17:48,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/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_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/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_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/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_598c589d-1763-477a-9314-565c222492ad/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 cc43c785b916715d9d06d5df936065bfc94a711ee443867dc58acdb6bafa4f02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:51,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:51,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:17:51,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:51,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:51,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:51,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:51,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:51,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:51,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:51,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:51,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:51,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:51,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:51,856 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:17:51,857 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:17:51,857 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:51,857 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:51,857 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:17:51,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:51,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:51,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:51,858 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:51,858 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:51,858 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:51,858 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:51,858 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:17:51,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:51,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:51,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:51,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:51,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:51,859 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:17:51,859 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:51,860 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:17:51,860 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_598c589d-1763-477a-9314-565c222492ad/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 -> cc43c785b916715d9d06d5df936065bfc94a711ee443867dc58acdb6bafa4f02 [2024-11-13 20:17:52,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:52,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:52,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:52,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:52,210 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:52,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_21_bad.i Unable to find full path for "g++" [2024-11-13 20:17:54,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:54,700 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:54,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_21_bad.i [2024-11-13 20:17:54,727 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/data/7f3108dea/681969da16e54f04a63ad8ee4effd94a/FLAG095302b40 [2024-11-13 20:17:54,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/data/7f3108dea/681969da16e54f04a63ad8ee4effd94a [2024-11-13 20:17:54,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:54,799 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:54,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:54,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:54,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:54,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:54" (1/1) ... [2024-11-13 20:17:54,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28974c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:54, skipping insertion in model container [2024-11-13 20:17:54,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:54" (1/1) ... [2024-11-13 20:17:54,878 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:56,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:56,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:56,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:56,405 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:56,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56 WrapperNode [2024-11-13 20:17:56,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:56,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:56,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:56,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:56,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,477 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-13 20:17:56,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:56,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:56,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:56,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:56,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:56,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:56,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:56,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:56,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:56,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:56,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:56,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:17:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:56,743 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:56,745 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:56,939 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:56,939 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:57,007 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:57,007 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:57,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:57 BoogieIcfgContainer [2024-11-13 20:17:57,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:57,009 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:57,009 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:57,019 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:57,020 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:57" (1/1) ... [2024-11-13 20:17:57,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:57,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 20:17:57,087 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 20:17:57,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:17:57,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:57,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:57,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:57,097 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:57,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:17:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:57,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:57,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:17:57,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:57,422 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 20:17:57,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:17:57,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:57,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 20:17:57,455 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 20:17:57,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:17:57,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:57,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:57,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:57,460 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:57,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:17:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:57,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:57,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:57,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:17:57,900 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:17:57,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:57 ImpRootNode [2024-11-13 20:17:57,938 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:57,938 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:57,939 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:57,939 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:57,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:57" (3/4) ... [2024-11-13 20:17:57,943 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:57,944 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:57,947 INFO L158 Benchmark]: Toolchain (without parser) took 3146.94ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 61.8MB in the end (delta: 27.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-13 20:17:57,947 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory was 64.8MB in the beginning and 64.7MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:57,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1605.54ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 76.0MB in the end (delta: 13.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 20:17:57,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.80ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 72.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:57,949 INFO L158 Benchmark]: Boogie Preprocessor took 34.43ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 71.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:57,952 INFO L158 Benchmark]: RCFGBuilder took 495.09ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 55.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:57,952 INFO L158 Benchmark]: CodeCheck took 929.12ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 61.8MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:57,953 INFO L158 Benchmark]: Witness Printer took 5.71ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 61.8MB in the end (delta: 10.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:57,954 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 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, 14 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 66 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 55 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1566. 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); [L1548] static int badStatic = 0; [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_preinc_21_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] data = atoi(inputBuffer) [L1575] badStatic = 1 [L1576] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.40ms. Allocated memory is still 83.9MB. Free memory was 64.8MB in the beginning and 64.7MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1605.54ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 76.0MB in the end (delta: 13.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.80ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 72.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.43ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 71.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.09ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 55.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 929.12ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 61.8MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.71ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 61.8MB in the end (delta: 10.8kB). 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 20:17:57,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598c589d-1763-477a-9314-565c222492ad/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