./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_41_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_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/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_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/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_f19e5775-a13f-4082-943e-dc14f92d0801/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 f21f78d6bc7f8a5735186dc84ba9fb66f3e7970e05da731cf254d80139248b52 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:25:28,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:25:28,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:25:28,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:25:28,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:25:28,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:25:28,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:25:28,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:25:28,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:25:28,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:25:28,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:25:28,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:25:28,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:25:28,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:25:28,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:25:28,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:25:28,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:25:28,902 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:25:28,902 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:25:28,902 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:25:28,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:25:28,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:25:28,903 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:25:28,903 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:25:28,903 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:25:28,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:25:28,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:28,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:25:28,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:25:28,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:25:28,905 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:25:28,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:25:28,905 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_f19e5775-a13f-4082-943e-dc14f92d0801/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 -> f21f78d6bc7f8a5735186dc84ba9fb66f3e7970e05da731cf254d80139248b52 [2024-11-13 23:25:29,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:25:29,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:25:29,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:25:29,214 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:25:29,214 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:25:29,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_41_bad.i Unable to find full path for "g++" [2024-11-13 23:25:31,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:25:31,776 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:25:31,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_41_bad.i [2024-11-13 23:25:31,812 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/data/b5683f0ec/ebe8b80f1ffc4367896a25b79d4854d6/FLAG40dc341f5 [2024-11-13 23:25:31,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/data/b5683f0ec/ebe8b80f1ffc4367896a25b79d4854d6 [2024-11-13 23:25:31,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:25:31,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:25:31,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:31,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:25:31,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:25:31,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:31" (1/1) ... [2024-11-13 23:25:31,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d015cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:31, skipping insertion in model container [2024-11-13 23:25:31,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:31" (1/1) ... [2024-11-13 23:25:31,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:25:32,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:32,902 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:25:33,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:33,242 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:25:33,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:33 WrapperNode [2024-11-13 23:25:33,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:33,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:33,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:25:33,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:25:33,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:33" (1/1) ... [2024-11-13 23:25:33,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:33" (1/1) ... [2024-11-13 23:25:33,315 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-11-13 23:25:33,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:33,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:25:33,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:25:33,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:25:33,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:33" (1/1) ... [2024-11-13 23:25:33,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:33" (1/1) ... [2024-11-13 23:25:33,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:33" (1/1) ... [2024-11-13 23:25:33,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:33" (1/1) ... [2024-11-13 23:25:33,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:33" (1/1) ... [2024-11-13 23:25:33,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:33" (1/1) ... [2024-11-13 23:25:33,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:33" (1/1) ... [2024-11-13 23:25:33,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:33" (1/1) ... [2024-11-13 23:25:33,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:25:33,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:25:33,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:25:33,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:25:33,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:33" (1/1) ... [2024-11-13 23:25:33,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:33,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:25:33,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:25:33,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:25:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:25:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:25:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:25:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:25:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:25:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:25:33,605 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:25:33,607 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:25:33,775 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 23:25:33,778 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:25:33,831 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:25:33,831 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:25:33,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:33 BoogieIcfgContainer [2024-11-13 23:25:33,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:25:33,833 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:25:33,833 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:25:33,844 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:25:33,844 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:33" (1/1) ... [2024-11-13 23:25:33,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:25:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:33,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 23:25:33,915 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 23:25:33,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:25:33,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:33,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:34,271 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 23:25:34,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 23:25:34,352 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 23:25:34,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:25:34,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:34,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:34,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:25:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:34,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:25:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:34,558 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 23:25:34,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:25:34 ImpRootNode [2024-11-13 23:25:34,599 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:25:34,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:25:34,601 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:25:34,601 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:25:34,602 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:33" (3/4) ... [2024-11-13 23:25:34,605 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:25:34,605 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:25:34,606 INFO L158 Benchmark]: Toolchain (without parser) took 2767.10ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 80.0MB in the end (delta: 10.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-13 23:25:34,607 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:34,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1402.32ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 81.9MB in the end (delta: 8.6MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-13 23:25:34,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.18ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.3MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:25:34,610 INFO L158 Benchmark]: Boogie Preprocessor took 37.19ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:34,610 INFO L158 Benchmark]: RCFGBuilder took 478.09ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 63.7MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:25:34,611 INFO L158 Benchmark]: CodeCheck took 766.72ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 80.0MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:34,611 INFO L158 Benchmark]: Witness Printer took 5.64ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 80.0MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:34,614 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: 0.7s, 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1563, overapproximation of large string literal at line 1575, overapproximation of fgets at line 1561. 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); [L1575] 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) [L1575] 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] [L1576] CALL CWE190_Integer_Overflow__int_fgets_add_41_bad() [L1557] int data; [L1558] data = 0 [L1560] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1563] data = atoi(inputBuffer) [L1570] CALL badSink(data) [L1551] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1402.32ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 81.9MB in the end (delta: 8.6MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.18ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.3MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.19ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 478.09ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 63.7MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 766.72ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 80.0MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.64ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 80.0MB in the end (delta: 11.7kB). 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 23:25:34,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/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_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/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_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/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_f19e5775-a13f-4082-943e-dc14f92d0801/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 f21f78d6bc7f8a5735186dc84ba9fb66f3e7970e05da731cf254d80139248b52 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:25:37,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:25:37,416 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:25:37,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:25:37,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:25:37,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:25:37,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:25:37,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:25:37,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:25:37,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:25:37,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:25:37,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:25:37,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:25:37,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:25:37,462 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:25:37,462 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:25:37,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:25:37,462 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:25:37,462 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:25:37,462 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:25:37,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:25:37,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:25:37,464 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:25:37,464 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:25:37,464 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:25:37,464 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:37,465 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:25:37,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:25:37,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:37,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:25:37,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:25:37,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:25:37,465 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:25:37,465 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:37,465 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:25:37,465 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_f19e5775-a13f-4082-943e-dc14f92d0801/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 -> f21f78d6bc7f8a5735186dc84ba9fb66f3e7970e05da731cf254d80139248b52 [2024-11-13 23:25:37,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:25:37,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:25:37,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:25:37,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:25:37,841 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:25:37,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_41_bad.i Unable to find full path for "g++" [2024-11-13 23:25:39,805 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:25:40,198 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:25:40,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_41_bad.i [2024-11-13 23:25:40,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/data/358783fd3/7258a6db4a164daf809cda5949b3f2a1/FLAG80e2be6ef [2024-11-13 23:25:40,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/data/358783fd3/7258a6db4a164daf809cda5949b3f2a1 [2024-11-13 23:25:40,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:25:40,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:25:40,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:40,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:25:40,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:25:40,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:40" (1/1) ... [2024-11-13 23:25:40,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b176af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:40, skipping insertion in model container [2024-11-13 23:25:40,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:40" (1/1) ... [2024-11-13 23:25:40,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:25:41,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:41,477 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:25:41,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:41,769 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:25:41,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:41 WrapperNode [2024-11-13 23:25:41,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:41,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:41,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:25:41,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:25:41,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:41" (1/1) ... [2024-11-13 23:25:41,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:41" (1/1) ... [2024-11-13 23:25:41,831 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-13 23:25:41,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:41,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:25:41,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:25:41,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:25:41,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:41" (1/1) ... [2024-11-13 23:25:41,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:41" (1/1) ... [2024-11-13 23:25:41,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:41" (1/1) ... [2024-11-13 23:25:41,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:41" (1/1) ... [2024-11-13 23:25:41,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:41" (1/1) ... [2024-11-13 23:25:41,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:41" (1/1) ... [2024-11-13 23:25:41,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:41" (1/1) ... [2024-11-13 23:25:41,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:41" (1/1) ... [2024-11-13 23:25:41,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:25:41,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:25:41,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:25:41,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:25:41,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:41" (1/1) ... [2024-11-13 23:25:41,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:41,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:25:41,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:25:41,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:25:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:25:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:25:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:25:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:25:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:25:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:25:42,091 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:25:42,093 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:25:42,255 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 23:25:42,255 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:25:42,319 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:25:42,321 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:25:42,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:42 BoogieIcfgContainer [2024-11-13 23:25:42,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:25:42,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:25:42,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:25:42,334 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:25:42,334 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:42" (1/1) ... [2024-11-13 23:25:42,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:25:42,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:42,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 23:25:42,402 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 23:25:42,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:25:42,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:42,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:42,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:42,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:42,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:25:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:42,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:42,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:25:42,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:42,631 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 23:25:42,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:25:42,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:42,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 23:25:42,655 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 23:25:42,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:25:42,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:42,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:42,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:42,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:42,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:25:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:42,860 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:25:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:43,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:25:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:43,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 23:25:43,082 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 23:25:43,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:25:43 ImpRootNode [2024-11-13 23:25:43,116 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:25:43,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:25:43,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:25:43,117 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:25:43,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:42" (3/4) ... [2024-11-13 23:25:43,121 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:25:43,122 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:25:43,125 INFO L158 Benchmark]: Toolchain (without parser) took 2728.96ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 48.6MB in the end (delta: 8.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-13 23:25:43,126 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:43,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1372.59ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 52.3MB in the end (delta: 4.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 23:25:43,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.33ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:43,129 INFO L158 Benchmark]: Boogie Preprocessor took 26.29ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 48.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:43,130 INFO L158 Benchmark]: RCFGBuilder took 462.97ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 31.5MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:25:43,130 INFO L158 Benchmark]: CodeCheck took 792.88ms. Allocated memory is still 83.9MB. Free memory was 31.5MB in the beginning and 49.0MB in the end (delta: -17.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-13 23:25:43,130 INFO L158 Benchmark]: Witness Printer took 6.36ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 48.6MB in the end (delta: 444.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:43,132 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: 0.7s, 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, 52 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1563, overapproximation of large string literal at line 1575, overapproximation of fgets at line 1561. 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); [L1575] 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) [L1575] 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] [L1576] CALL CWE190_Integer_Overflow__int_fgets_add_41_bad() [L1557] int data; [L1558] data = 0 [L1560] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1563] data = atoi(inputBuffer) [L1570] CALL badSink(data) [L1551] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1372.59ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 52.3MB in the end (delta: 4.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.33ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.29ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 48.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 462.97ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 31.5MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 792.88ms. Allocated memory is still 83.9MB. Free memory was 31.5MB in the beginning and 49.0MB in the end (delta: -17.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Witness Printer took 6.36ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 48.6MB in the end (delta: 444.5kB). 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 23:25:43,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19e5775-a13f-4082-943e-dc14f92d0801/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