./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:51:34,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:51:34,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:51:34,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:51:34,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:51:34,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:51:34,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:51:34,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:51:34,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:51:34,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:51:34,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:51:34,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:51:34,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:51:34,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:51:34,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:51:34,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:51:34,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:51:34,873 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:51:34,874 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:51:34,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:51:34,875 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:51:34,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:51:34,875 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:51:34,875 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:51:34,875 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:51:34,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:51:34,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:34,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:51:34,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:51:34,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:51:34,876 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:51:34,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:51:34,876 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_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 [2024-11-25 04:51:35,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:51:35,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:51:35,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:51:35,246 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:51:35,247 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:51:35,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2024-11-25 04:51:38,248 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/data/576ed2af7/b6b72fd0e1cc4e218de211f813290a18/FLAG92cd2f874 [2024-11-25 04:51:38,747 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:51:38,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2024-11-25 04:51:38,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/data/576ed2af7/b6b72fd0e1cc4e218de211f813290a18/FLAG92cd2f874 [2024-11-25 04:51:38,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/data/576ed2af7/b6b72fd0e1cc4e218de211f813290a18 [2024-11-25 04:51:38,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:51:38,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:51:38,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:38,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:51:38,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:51:38,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:38" (1/1) ... [2024-11-25 04:51:38,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1200cb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:38, skipping insertion in model container [2024-11-25 04:51:38,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:38" (1/1) ... [2024-11-25 04:51:38,897 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:51:40,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:40,020 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:51:40,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:40,276 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:51:40,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:40 WrapperNode [2024-11-25 04:51:40,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:40,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:40,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:51:40,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:51:40,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:40" (1/1) ... [2024-11-25 04:51:40,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:40" (1/1) ... [2024-11-25 04:51:40,329 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 67 [2024-11-25 04:51:40,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:40,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:51:40,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:51:40,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:51:40,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:40" (1/1) ... [2024-11-25 04:51:40,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:40" (1/1) ... [2024-11-25 04:51:40,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:40" (1/1) ... [2024-11-25 04:51:40,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:40" (1/1) ... [2024-11-25 04:51:40,346 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:40" (1/1) ... [2024-11-25 04:51:40,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:40" (1/1) ... [2024-11-25 04:51:40,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:40" (1/1) ... [2024-11-25 04:51:40,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:40" (1/1) ... [2024-11-25 04:51:40,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:40" (1/1) ... [2024-11-25 04:51:40,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:51:40,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:51:40,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:51:40,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:51:40,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:40" (1/1) ... [2024-11-25 04:51:40,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:40,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:51:40,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:51:40,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:51:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:51:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:51:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:51:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:51:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:51:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:51:40,591 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:51:40,593 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:51:40,710 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-25 04:51:40,711 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:51:40,761 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:51:40,761 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:51:40,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:40 BoogieIcfgContainer [2024-11-25 04:51:40,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:51:40,763 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:51:40,764 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:51:40,775 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:51:40,775 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:40" (1/1) ... [2024-11-25 04:51:40,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:51:40,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:40,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 04:51:40,858 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 04:51:40,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:51:40,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:40,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:51:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:41,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:51:41,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:41,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 04:51:41,539 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 04:51:41,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:51:41,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:41,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:51:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:41,607 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:51:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:41,747 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:51:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:41,793 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 04:51:41,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:51:41 ImpRootNode [2024-11-25 04:51:41,834 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:51:41,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:51:41,836 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:51:41,836 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:51:41,837 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:40" (3/4) ... [2024-11-25 04:51:41,840 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:51:41,841 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:51:41,842 INFO L158 Benchmark]: Toolchain (without parser) took 3025.69ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 71.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-25 04:51:41,845 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:41,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1459.10ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 78.3MB in the end (delta: 10.7MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-25 04:51:41,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.31ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:41,846 INFO L158 Benchmark]: Boogie Preprocessor took 24.60ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 74.8MB in the end (delta: 573.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:41,847 INFO L158 Benchmark]: RCFGBuilder took 406.73ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 60.4MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:51:41,847 INFO L158 Benchmark]: CodeCheck took 1071.13ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 71.9MB in the end (delta: -11.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:41,848 INFO L158 Benchmark]: Witness Printer took 6.08ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 71.9MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:41,853 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 0.4s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_fgets_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_postinc_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] CALL funcPtr(data) [L1578] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1459.10ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 78.3MB in the end (delta: 10.7MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.31ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.60ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 74.8MB in the end (delta: 573.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 406.73ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 60.4MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1071.13ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 71.9MB in the end (delta: -11.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.08ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 71.9MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:51:41,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/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_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:51:44,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:51:44,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:51:44,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:51:44,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:51:44,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:51:44,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:51:44,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:51:44,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:51:44,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:51:44,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:51:44,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:51:44,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:51:44,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:51:44,987 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:51:44,987 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:51:44,987 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:51:44,987 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:51:44,987 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:51:44,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:51:44,987 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:51:44,987 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:51:44,988 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:51:44,988 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:51:44,988 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:51:44,988 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:44,988 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:51:44,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:51:44,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:44,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:51:44,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:51:44,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:51:44,990 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:51:44,990 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:44,990 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:51:44,990 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_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 [2024-11-25 04:51:45,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:51:45,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:51:45,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:51:45,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:51:45,387 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:51:45,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2024-11-25 04:51:48,574 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/data/d214b50cf/e22d3405310a4b55811cdf0208c74228/FLAG93d5f3e5b [2024-11-25 04:51:48,996 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:51:49,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2024-11-25 04:51:49,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/data/d214b50cf/e22d3405310a4b55811cdf0208c74228/FLAG93d5f3e5b [2024-11-25 04:51:49,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/data/d214b50cf/e22d3405310a4b55811cdf0208c74228 [2024-11-25 04:51:49,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:51:49,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:51:49,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:49,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:51:49,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:51:49,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:49" (1/1) ... [2024-11-25 04:51:49,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28748fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:49, skipping insertion in model container [2024-11-25 04:51:49,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:49" (1/1) ... [2024-11-25 04:51:49,158 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:51:50,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:50,314 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:51:50,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:50,655 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:51:50,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:50 WrapperNode [2024-11-25 04:51:50,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:50,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:50,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:51:50,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:51:50,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:50" (1/1) ... [2024-11-25 04:51:50,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:50" (1/1) ... [2024-11-25 04:51:50,711 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 66 [2024-11-25 04:51:50,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:50,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:51:50,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:51:50,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:51:50,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:50" (1/1) ... [2024-11-25 04:51:50,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:50" (1/1) ... [2024-11-25 04:51:50,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:50" (1/1) ... [2024-11-25 04:51:50,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:50" (1/1) ... [2024-11-25 04:51:50,733 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:50" (1/1) ... [2024-11-25 04:51:50,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:50" (1/1) ... [2024-11-25 04:51:50,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:50" (1/1) ... [2024-11-25 04:51:50,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:50" (1/1) ... [2024-11-25 04:51:50,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:50" (1/1) ... [2024-11-25 04:51:50,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:51:50,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:51:50,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:51:50,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:51:50,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:50" (1/1) ... [2024-11-25 04:51:50,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:50,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:51:50,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:51:50,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:51:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:51:50,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:51:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:51:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:51:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:51:50,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:51:51,078 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:51:51,080 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:51:51,280 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-25 04:51:51,280 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:51:51,352 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:51:51,353 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:51:51,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:51 BoogieIcfgContainer [2024-11-25 04:51:51,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:51:51,356 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:51:51,356 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:51:51,385 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:51:51,386 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:51" (1/1) ... [2024-11-25 04:51:51,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:51:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:51,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 04:51:51,471 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 04:51:51,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:51:51,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:51,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:51,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:51,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:51,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:51:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:51,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:51,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 04:51:51,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:51:51,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:51:51,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 04:51:51,834 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 04:51:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:51:51,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:51,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:51,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:51,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:51,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:51:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:52,067 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:51:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:52,263 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:51:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:52,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:51:52,332 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 04:51:52,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:51:52 ImpRootNode [2024-11-25 04:51:52,367 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:51:52,368 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:51:52,369 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:51:52,369 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:51:52,370 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:51" (3/4) ... [2024-11-25 04:51:52,373 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:51:52,374 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:51:52,375 INFO L158 Benchmark]: Toolchain (without parser) took 3295.25ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 47.4MB in the end (delta: 10.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-25 04:51:52,375 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:52,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1575.35ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 50.8MB in the end (delta: 6.4MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-25 04:51:52,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.27ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:52,376 INFO L158 Benchmark]: Boogie Preprocessor took 30.69ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:51:52,377 INFO L158 Benchmark]: RCFGBuilder took 611.41ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 29.7MB in the end (delta: 16.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:51:52,377 INFO L158 Benchmark]: CodeCheck took 1011.75ms. Allocated memory is still 83.9MB. Free memory was 29.7MB in the beginning and 47.4MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:52,382 INFO L158 Benchmark]: Witness Printer took 6.17ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 47.4MB in the end (delta: 3.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:52,384 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 57 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_fgets_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_postinc_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] CALL funcPtr(data) [L1578] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1575.35ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 50.8MB in the end (delta: 6.4MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.27ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.69ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 611.41ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 29.7MB in the end (delta: 16.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1011.75ms. Allocated memory is still 83.9MB. Free memory was 29.7MB in the beginning and 47.4MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.17ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 47.4MB in the end (delta: 3.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:51:52,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905f29da-404e-4490-9682-3a7ddb8812c4/bin/ukojak-verify-ENZ3QT5qd3/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