./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/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_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/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_9c922f1e-fb9a-447d-a540-6991ce2a8712/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 4835d71ad10fa33b78c8eb84d9ef1c8b34094f191f978bb908e5c75eb4871d2a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:44:53,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:44:53,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:44:53,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:44:53,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:44:53,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:44:53,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:44:53,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:44:53,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:44:53,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:44:53,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:44:53,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:44:53,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:44:53,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:44:53,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:44:53,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:44:53,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:44:53,472 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:44:53,472 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:44:53,472 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:44:53,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:44:53,472 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:44:53,472 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:44:53,472 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:44:53,472 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:44:53,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:44:53,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:44:53,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:44:53,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:44:53,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:44:53,473 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:44:53,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:44:53,473 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_9c922f1e-fb9a-447d-a540-6991ce2a8712/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 -> 4835d71ad10fa33b78c8eb84d9ef1c8b34094f191f978bb908e5c75eb4871d2a [2024-11-13 21:44:53,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:44:53,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:44:53,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:44:53,759 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:44:53,759 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:44:53,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_bad.i Unable to find full path for "g++" [2024-11-13 21:44:55,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:44:56,051 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:44:56,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_bad.i [2024-11-13 21:44:56,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/data/3959fe820/e8ef58b15de74f7889561ba6428b1e13/FLAG39f8da04e [2024-11-13 21:44:56,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/data/3959fe820/e8ef58b15de74f7889561ba6428b1e13 [2024-11-13 21:44:56,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:44:56,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:44:56,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:44:56,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:44:56,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:44:56,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:44:56" (1/1) ... [2024-11-13 21:44:56,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3c2644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:56, skipping insertion in model container [2024-11-13 21:44:56,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:44:56" (1/1) ... [2024-11-13 21:44:56,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:44:56,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:44:56,946 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:44:57,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:44:57,210 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:44:57,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:57 WrapperNode [2024-11-13 21:44:57,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:44:57,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:44:57,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:44:57,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:44:57,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:57" (1/1) ... [2024-11-13 21:44:57,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:57" (1/1) ... [2024-11-13 21:44:57,268 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-13 21:44:57,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:44:57,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:44:57,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:44:57,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:44:57,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:57" (1/1) ... [2024-11-13 21:44:57,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:57" (1/1) ... [2024-11-13 21:44:57,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:57" (1/1) ... [2024-11-13 21:44:57,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:57" (1/1) ... [2024-11-13 21:44:57,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:57" (1/1) ... [2024-11-13 21:44:57,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:57" (1/1) ... [2024-11-13 21:44:57,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:57" (1/1) ... [2024-11-13 21:44:57,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:57" (1/1) ... [2024-11-13 21:44:57,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:44:57,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:44:57,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:44:57,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:44:57,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:57" (1/1) ... [2024-11-13 21:44:57,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:44:57,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:44:57,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:44:57,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:44:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:44:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:44:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:44:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:44:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:44:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:44:57,528 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:44:57,530 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:44:57,648 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 21:44:57,648 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:44:57,681 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:44:57,681 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:44:57,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:44:57 BoogieIcfgContainer [2024-11-13 21:44:57,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:44:57,682 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:44:57,682 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:44:57,691 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:44:57,692 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:44:57" (1/1) ... [2024-11-13 21:44:57,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:44:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:57,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 21:44:57,748 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 21:44:57,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:44:57,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:57,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:58,081 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 21:44:58,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:58,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 21:44:58,119 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 21:44:58,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:44:58,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:58,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:58,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:44:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:58,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:44:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:58,317 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:44:58,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:44:58 ImpRootNode [2024-11-13 21:44:58,350 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:44:58,350 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:44:58,351 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:44:58,351 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:44:58,352 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:44:57" (3/4) ... [2024-11-13 21:44:58,354 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:44:58,355 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:44:58,358 INFO L158 Benchmark]: Toolchain (without parser) took 2241.38ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 76.6MB in the end (delta: 39.2MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-11-13 21:44:58,358 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:58,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1095.39ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 55.9MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 21:44:58,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.02ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 53.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:44:58,359 INFO L158 Benchmark]: Boogie Preprocessor took 21.92ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 52.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:58,360 INFO L158 Benchmark]: RCFGBuilder took 390.10ms. Allocated memory is still 142.6MB. Free memory was 52.1MB in the beginning and 107.5MB in the end (delta: -55.4MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 21:44:58,360 INFO L158 Benchmark]: CodeCheck took 667.39ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 76.6MB in the end (delta: 30.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:44:58,360 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 142.6MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:58,367 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 11 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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: 1564]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1571, overapproximation of fgets at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_add_01_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1095.39ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 55.9MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.02ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 53.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.92ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 52.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 390.10ms. Allocated memory is still 142.6MB. Free memory was 52.1MB in the beginning and 107.5MB in the end (delta: -55.4MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 667.39ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 76.6MB in the end (delta: 30.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 142.6MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:44:58,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/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_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/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_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/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_9c922f1e-fb9a-447d-a540-6991ce2a8712/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 4835d71ad10fa33b78c8eb84d9ef1c8b34094f191f978bb908e5c75eb4871d2a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:45:00,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:45:01,026 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:45:01,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:45:01,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:45:01,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:45:01,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:45:01,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:45:01,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:45:01,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:45:01,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:45:01,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:45:01,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:45:01,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:45:01,073 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:45:01,073 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:45:01,073 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:45:01,073 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:45:01,074 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:45:01,074 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:45:01,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:45:01,074 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:45:01,074 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:45:01,074 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:45:01,075 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:45:01,075 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:01,075 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:45:01,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:45:01,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:45:01,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:45:01,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:45:01,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:45:01,076 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:45:01,076 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:01,076 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:45:01,076 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_9c922f1e-fb9a-447d-a540-6991ce2a8712/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 -> 4835d71ad10fa33b78c8eb84d9ef1c8b34094f191f978bb908e5c75eb4871d2a [2024-11-13 21:45:01,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:45:01,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:45:01,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:45:01,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:45:01,418 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:45:01,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_bad.i Unable to find full path for "g++" [2024-11-13 21:45:03,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:45:03,779 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:45:03,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_bad.i [2024-11-13 21:45:03,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/data/725fffdbc/7dbf47e578ed4f15b1bd48da6aa79102/FLAGf54d01f08 [2024-11-13 21:45:03,872 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/data/725fffdbc/7dbf47e578ed4f15b1bd48da6aa79102 [2024-11-13 21:45:03,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:45:03,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:45:03,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:45:03,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:45:03,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:45:03,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:45:03" (1/1) ... [2024-11-13 21:45:03,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d57d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:03, skipping insertion in model container [2024-11-13 21:45:03,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:45:03" (1/1) ... [2024-11-13 21:45:03,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:45:04,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:45:04,761 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:45:04,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:45:05,006 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:45:05,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:05 WrapperNode [2024-11-13 21:45:05,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:45:05,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:45:05,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:45:05,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:45:05,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:05" (1/1) ... [2024-11-13 21:45:05,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:05" (1/1) ... [2024-11-13 21:45:05,051 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-13 21:45:05,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:45:05,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:45:05,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:45:05,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:45:05,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:05" (1/1) ... [2024-11-13 21:45:05,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:05" (1/1) ... [2024-11-13 21:45:05,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:05" (1/1) ... [2024-11-13 21:45:05,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:05" (1/1) ... [2024-11-13 21:45:05,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:05" (1/1) ... [2024-11-13 21:45:05,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:05" (1/1) ... [2024-11-13 21:45:05,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:05" (1/1) ... [2024-11-13 21:45:05,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:05" (1/1) ... [2024-11-13 21:45:05,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:45:05,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:45:05,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:45:05,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:45:05,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:05" (1/1) ... [2024-11-13 21:45:05,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:45:05,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:45:05,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:45:05,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:45:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:45:05,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:45:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:45:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:45:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:45:05,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:45:05,282 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:45:05,285 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:45:05,439 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:45:05,439 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:45:05,498 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:45:05,499 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:45:05,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:45:05 BoogieIcfgContainer [2024-11-13 21:45:05,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:45:05,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:45:05,501 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:45:05,511 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:45:05,511 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:45:05" (1/1) ... [2024-11-13 21:45:05,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:45:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 21:45:05,576 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 21:45:05,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:45:05,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:05,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:05,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:05,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:05,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:45:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:05,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:05,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:45:05,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:05,853 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 21:45:05,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:45:05,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:05,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 21:45:05,888 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 21:45:05,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:45:05,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:05,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:05,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:05,893 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:05,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:45:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:45:06,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:45:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:45:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:45:06,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:45:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:45:06,204 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:45:06,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:45:06,206 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:45:06,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:45:06 ImpRootNode [2024-11-13 21:45:06,233 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:45:06,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:45:06,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:45:06,233 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:45:06,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:45:05" (3/4) ... [2024-11-13 21:45:06,236 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:45:06,237 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:45:06,238 INFO L158 Benchmark]: Toolchain (without parser) took 2361.38ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 70.0MB in the end (delta: 22.3MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-13 21:45:06,238 INFO L158 Benchmark]: CDTParser took 2.75ms. Allocated memory is still 83.9MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:45:06,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1127.84ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 80.5MB in the end (delta: 11.7MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 21:45:06,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.82ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 77.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:45:06,239 INFO L158 Benchmark]: Boogie Preprocessor took 26.02ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:45:06,240 INFO L158 Benchmark]: RCFGBuilder took 420.96ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 59.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:45:06,240 INFO L158 Benchmark]: CodeCheck took 732.40ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 70.3MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:45:06,241 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 70.0MB in the end (delta: 300.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:45:06,243 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, 51 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: 1564]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1571, overapproximation of fgets at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_add_01_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.75ms. Allocated memory is still 83.9MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1127.84ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 80.5MB in the end (delta: 11.7MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.82ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 77.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.02ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 420.96ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 59.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 732.40ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 70.3MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 70.0MB in the end (delta: 300.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:45:06,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c922f1e-fb9a-447d-a540-6991ce2a8712/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