./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_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_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/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_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/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_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/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 062da61e5fdd3ead1d11c26be7e8f8fa9035a37b165d89a86763ed8c1da36c57 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:02:45,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:02:45,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:02:45,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:02:45,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:02:45,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:02:45,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:02:45,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:02:45,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:02:45,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:02:45,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:02:45,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:02:45,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:02:45,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:02:45,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:02:45,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:02:45,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:02:45,960 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:02:45,961 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:02:45,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:02:45,962 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:02:45,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:02:45,962 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:02:45,962 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:02:45,963 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:02:45,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:02:45,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:02:45,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:02:45,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:02:45,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:02:45,964 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:02:45,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:02:45,964 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_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/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 -> 062da61e5fdd3ead1d11c26be7e8f8fa9035a37b165d89a86763ed8c1da36c57 [2024-11-25 04:02:46,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:02:46,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:02:46,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:02:46,413 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:02:46,414 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:02:46,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i [2024-11-25 04:02:50,325 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/data/7892e8f46/ab964ca8836d407e948932e304929f47/FLAG9ade6cf59 [2024-11-25 04:02:51,029 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:02:51,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i [2024-11-25 04:02:51,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/data/7892e8f46/ab964ca8836d407e948932e304929f47/FLAG9ade6cf59 [2024-11-25 04:02:51,422 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/data/7892e8f46/ab964ca8836d407e948932e304929f47 [2024-11-25 04:02:51,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:02:51,427 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:02:51,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:02:51,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:02:51,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:02:51,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:02:51" (1/1) ... [2024-11-25 04:02:51,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9fea3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:51, skipping insertion in model container [2024-11-25 04:02:51,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:02:51" (1/1) ... [2024-11-25 04:02:51,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:02:52,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:02:52,603 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:02:52,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:02:52,922 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:02:52,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:52 WrapperNode [2024-11-25 04:02:52,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:02:52,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:02:52,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:02:52,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:02:52,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:52" (1/1) ... [2024-11-25 04:02:52,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:52" (1/1) ... [2024-11-25 04:02:53,017 INFO L138 Inliner]: procedures = 499, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-25 04:02:53,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:02:53,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:02:53,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:02:53,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:02:53,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:52" (1/1) ... [2024-11-25 04:02:53,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:52" (1/1) ... [2024-11-25 04:02:53,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:52" (1/1) ... [2024-11-25 04:02:53,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:52" (1/1) ... [2024-11-25 04:02:53,055 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:52" (1/1) ... [2024-11-25 04:02:53,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:52" (1/1) ... [2024-11-25 04:02:53,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:52" (1/1) ... [2024-11-25 04:02:53,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:52" (1/1) ... [2024-11-25 04:02:53,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:52" (1/1) ... [2024-11-25 04:02:53,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:02:53,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:02:53,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:02:53,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:02:53,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:52" (1/1) ... [2024-11-25 04:02:53,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:02:53,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:02:53,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:02:53,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:02:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:02:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:02:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:02:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:02:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:02:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:02:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:02:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:02:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:02:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:02:53,464 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:02:53,466 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:02:53,642 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 04:02:53,642 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:02:53,708 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:02:53,708 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:02:53,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:02:53 BoogieIcfgContainer [2024-11-25 04:02:53,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:02:53,711 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:02:53,711 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:02:53,730 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:02:53,731 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:02:53" (1/1) ... [2024-11-25 04:02:53,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:02:53,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:53,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 04:02:53,822 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 04:02:53,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:02:53,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:53,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:02:54,066 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:02:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:02:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:02:54,284 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:02:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:02:54,354 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:02:54,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:02:54 ImpRootNode [2024-11-25 04:02:54,404 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:02:54,404 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:02:54,407 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:02:54,407 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:02:54,408 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:02:53" (3/4) ... [2024-11-25 04:02:54,413 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:02:54,414 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:02:54,416 INFO L158 Benchmark]: Toolchain (without parser) took 2988.74ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 67.9MB in the end (delta: 35.5MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-11-25 04:02:54,419 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:02:54,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1495.14ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 43.2MB in the end (delta: 60.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 04:02:54,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.41ms. Allocated memory is still 142.6MB. Free memory was 43.2MB in the beginning and 40.5MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:02:54,420 INFO L158 Benchmark]: Boogie Preprocessor took 55.55ms. Allocated memory is still 142.6MB. Free memory was 40.5MB in the beginning and 39.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:02:54,421 INFO L158 Benchmark]: RCFGBuilder took 633.58ms. Allocated memory is still 142.6MB. Free memory was 39.5MB in the beginning and 91.8MB in the end (delta: -52.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-25 04:02:54,422 INFO L158 Benchmark]: CodeCheck took 692.57ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 68.6MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:02:54,424 INFO L158 Benchmark]: Witness Printer took 10.35ms. Allocated memory is still 142.6MB. Free memory was 68.6MB in the beginning and 67.9MB in the end (delta: 674.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:02:54,430 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1584]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of fgets at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1575] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1575] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] CALL CWE191_Integer_Underflow__int_fgets_multiply_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fgets_multiply_67_structType myStruct; [L1557] data = 0 [L1559] 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, myStruct={15946:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myStruct.structFirst = data [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1582] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1584] data * 2 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 0.48ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1495.14ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 43.2MB in the end (delta: 60.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.41ms. Allocated memory is still 142.6MB. Free memory was 43.2MB in the beginning and 40.5MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.55ms. Allocated memory is still 142.6MB. Free memory was 40.5MB in the beginning and 39.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 633.58ms. Allocated memory is still 142.6MB. Free memory was 39.5MB in the beginning and 91.8MB in the end (delta: -52.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * CodeCheck took 692.57ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 68.6MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 10.35ms. Allocated memory is still 142.6MB. Free memory was 68.6MB in the beginning and 67.9MB in the end (delta: 674.1kB). 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 04:02:54,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/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_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/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_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/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_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/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 062da61e5fdd3ead1d11c26be7e8f8fa9035a37b165d89a86763ed8c1da36c57 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:02:57,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:02:58,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:02:58,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:02:58,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:02:58,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:02:58,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:02:58,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:02:58,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:02:58,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:02:58,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:02:58,191 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:02:58,191 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:02:58,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:02:58,193 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:02:58,193 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:02:58,193 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:02:58,193 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:02:58,193 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:02:58,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:02:58,194 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:02:58,194 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:02:58,194 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:02:58,194 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:02:58,194 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:02:58,194 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:58,194 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:02:58,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:02:58,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:02:58,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:02:58,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:02:58,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:02:58,195 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:02:58,195 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:58,195 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:02:58,195 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_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/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 -> 062da61e5fdd3ead1d11c26be7e8f8fa9035a37b165d89a86763ed8c1da36c57 [2024-11-25 04:02:58,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:02:58,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:02:58,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:02:58,589 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:02:58,593 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:02:58,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i [2024-11-25 04:03:01,907 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/data/74fe343b5/2ab45ae83bfa42d0be831da0a1df9070/FLAG55823ba4d [2024-11-25 04:03:02,420 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:03:02,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i [2024-11-25 04:03:02,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/data/74fe343b5/2ab45ae83bfa42d0be831da0a1df9070/FLAG55823ba4d [2024-11-25 04:03:02,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/data/74fe343b5/2ab45ae83bfa42d0be831da0a1df9070 [2024-11-25 04:03:02,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:03:02,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:03:02,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:03:02,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:03:02,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:03:02,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:03:02" (1/1) ... [2024-11-25 04:03:02,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305356f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:02, skipping insertion in model container [2024-11-25 04:03:02,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:03:02" (1/1) ... [2024-11-25 04:03:02,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:03:03,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:03:03,746 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:03:03,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:03:04,124 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:03:04,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:04 WrapperNode [2024-11-25 04:03:04,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:03:04,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:03:04,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:03:04,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:03:04,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:04" (1/1) ... [2024-11-25 04:03:04,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:04" (1/1) ... [2024-11-25 04:03:04,216 INFO L138 Inliner]: procedures = 504, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-25 04:03:04,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:03:04,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:03:04,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:03:04,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:03:04,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:04" (1/1) ... [2024-11-25 04:03:04,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:04" (1/1) ... [2024-11-25 04:03:04,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:04" (1/1) ... [2024-11-25 04:03:04,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:04" (1/1) ... [2024-11-25 04:03:04,258 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:04" (1/1) ... [2024-11-25 04:03:04,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:04" (1/1) ... [2024-11-25 04:03:04,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:04" (1/1) ... [2024-11-25 04:03:04,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:04" (1/1) ... [2024-11-25 04:03:04,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:04" (1/1) ... [2024-11-25 04:03:04,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:03:04,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:03:04,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:03:04,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:03:04,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:04" (1/1) ... [2024-11-25 04:03:04,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:03:04,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:03:04,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:03:04,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:03:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:03:04,377 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:03:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:03:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:03:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:03:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:03:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:03:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 04:03:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:03:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 04:03:04,585 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:03:04,588 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:03:04,907 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 04:03:04,907 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:03:04,982 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:03:04,983 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:03:04,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:03:04 BoogieIcfgContainer [2024-11-25 04:03:04,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:03:04,984 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:03:04,985 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:03:05,001 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:03:05,001 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:03:04" (1/1) ... [2024-11-25 04:03:05,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:03:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 04:03:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 04:03:05,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:03:05,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:05,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:05,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:05,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:05,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:03:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:03:05,430 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:03:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:03:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:03:05,853 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:03:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:03:06,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:03:06,084 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:03:06,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:03:06 ImpRootNode [2024-11-25 04:03:06,126 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:03:06,127 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:03:06,127 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:03:06,127 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:03:06,130 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:03:04" (3/4) ... [2024-11-25 04:03:06,133 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:03:06,134 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:03:06,136 INFO L158 Benchmark]: Toolchain (without parser) took 3630.30ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 31.5MB in the end (delta: 25.6MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-11-25 04:03:06,136 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:03:06,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1619.91ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 52.0MB in the end (delta: 5.1MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-25 04:03:06,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.26ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 49.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:03:06,138 INFO L158 Benchmark]: Boogie Preprocessor took 66.98ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 47.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:03:06,138 INFO L158 Benchmark]: RCFGBuilder took 698.02ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 30.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:03:06,139 INFO L158 Benchmark]: CodeCheck took 1142.00ms. Allocated memory is still 83.9MB. Free memory was 30.4MB in the beginning and 31.9MB in the end (delta: -1.5MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-11-25 04:03:06,143 INFO L158 Benchmark]: Witness Printer took 7.33ms. Allocated memory is still 83.9MB. Free memory was 31.9MB in the beginning and 31.5MB in the end (delta: 422.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:03:06,147 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1584]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of fgets at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1575] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1575] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] CALL CWE191_Integer_Underflow__int_fgets_multiply_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fgets_multiply_67_structType myStruct; [L1557] data = 0 [L1559] 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, myStruct={11:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myStruct.structFirst = data [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1582] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1584] data * 2 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 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1619.91ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 52.0MB in the end (delta: 5.1MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.26ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 49.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.98ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 47.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 698.02ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 30.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1142.00ms. Allocated memory is still 83.9MB. Free memory was 30.4MB in the beginning and 31.9MB in the end (delta: -1.5MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 7.33ms. Allocated memory is still 83.9MB. Free memory was 31.9MB in the beginning and 31.5MB in the end (delta: 422.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:03:06,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24d5dd7-29ce-41c4-98ae-70d094e65fe2/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