./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk --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 922d2e97744354ceb7196fe812246908bd535818a6f3f24824fe12c3bd9ccfdc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:12:07,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:12:07,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:12:07,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:12:07,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:12:08,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:12:08,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:12:08,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:12:08,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:12:08,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:12:08,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:12:08,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:12:08,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:12:08,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:12:08,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:12:08,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:12:08,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:12:08,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:12:08,019 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:12:08,019 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:12:08,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:12:08,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:12:08,024 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:12:08,024 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:12:08,024 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:12:08,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:12:08,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:12:08,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:12:08,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:12:08,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:12:08,027 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:12:08,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:12:08,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 922d2e97744354ceb7196fe812246908bd535818a6f3f24824fe12c3bd9ccfdc [2024-11-08 23:12:08,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:12:08,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:12:08,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:12:08,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:12:08,342 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:12:08,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_45_bad.i Unable to find full path for "g++" [2024-11-08 23:12:10,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:12:10,814 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:12:10,816 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_45_bad.i [2024-11-08 23:12:10,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/data/a4800ef49/73ceb55482fa4a4ead853f5b44e8e2ed/FLAG48750f8ba [2024-11-08 23:12:10,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/data/a4800ef49/73ceb55482fa4a4ead853f5b44e8e2ed [2024-11-08 23:12:10,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:12:10,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:12:10,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:12:10,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:12:10,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:12:11,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:12:10" (1/1) ... [2024-11-08 23:12:11,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f39c00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:11, skipping insertion in model container [2024-11-08 23:12:11,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:12:10" (1/1) ... [2024-11-08 23:12:11,090 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:12:12,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:12:12,365 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:12:12,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:12:12,661 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:12:12,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:12 WrapperNode [2024-11-08 23:12:12,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:12:12,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:12:12,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:12:12,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:12:12,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:12" (1/1) ... [2024-11-08 23:12:12,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:12" (1/1) ... [2024-11-08 23:12:12,726 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2024-11-08 23:12:12,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:12:12,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:12:12,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:12:12,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:12:12,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:12" (1/1) ... [2024-11-08 23:12:12,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:12" (1/1) ... [2024-11-08 23:12:12,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:12" (1/1) ... [2024-11-08 23:12:12,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:12" (1/1) ... [2024-11-08 23:12:12,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:12" (1/1) ... [2024-11-08 23:12:12,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:12" (1/1) ... [2024-11-08 23:12:12,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:12" (1/1) ... [2024-11-08 23:12:12,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:12" (1/1) ... [2024-11-08 23:12:12,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:12:12,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:12:12,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:12:12,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:12:12,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:12" (1/1) ... [2024-11-08 23:12:12,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:12:12,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:12:12,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:12:12,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:12:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:12:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:12:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:12:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:12:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:12:13,047 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:12:13,049 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:12:13,174 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:12:13,175 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:12:13,237 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:12:13,237 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:12:13,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:12:13 BoogieIcfgContainer [2024-11-08 23:12:13,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:12:13,239 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:12:13,240 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:12:13,252 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:12:13,252 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:12:13" (1/1) ... [2024-11-08 23:12:13,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:12:13,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:13,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:12:13,319 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:12:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:12:13,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:13,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:12:13,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:12:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:12:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:12:13,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:12:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:12:13,633 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:12:13,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:12:13 ImpRootNode [2024-11-08 23:12:13,664 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:12:13,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:12:13,667 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:12:13,668 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:12:13,668 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:12:13" (3/4) ... [2024-11-08 23:12:13,672 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:12:13,673 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:12:13,674 INFO L158 Benchmark]: Toolchain (without parser) took 2688.28ms. Allocated memory is still 190.8MB. Free memory was 147.4MB in the beginning and 147.4MB in the end (delta: -38.8kB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-11-08 23:12:13,675 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:12:13,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1674.28ms. Allocated memory is still 190.8MB. Free memory was 147.4MB in the beginning and 81.4MB in the end (delta: 66.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-08 23:12:13,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.32ms. Allocated memory is still 190.8MB. Free memory was 81.4MB in the beginning and 79.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:12:13,677 INFO L158 Benchmark]: Boogie Preprocessor took 40.46ms. Allocated memory is still 190.8MB. Free memory was 79.1MB in the beginning and 77.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:12:13,678 INFO L158 Benchmark]: RCFGBuilder took 468.70ms. Allocated memory is still 190.8MB. Free memory was 77.2MB in the beginning and 62.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:12:13,679 INFO L158 Benchmark]: CodeCheck took 424.77ms. Allocated memory is still 190.8MB. Free memory was 62.6MB in the beginning and 147.4MB in the end (delta: -84.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:12:13,680 INFO L158 Benchmark]: Witness Printer took 7.76ms. Allocated memory is still 190.8MB. Free memory was 147.4MB in the beginning and 147.4MB in the end (delta: 3.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:12:13,684 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_fscanf_predec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fscanf_predec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_45_bad() [L1562] int data; [L1563] data = 0 [L1565] CWE191_Integer_Underflow__int_fscanf_predec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fscanf_predec_45_badData; VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodG2BData=0, 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] [L1555] --data VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodG2BData=0, 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 0.30ms. Allocated memory is still 134.2MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1674.28ms. Allocated memory is still 190.8MB. Free memory was 147.4MB in the beginning and 81.4MB in the end (delta: 66.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.32ms. Allocated memory is still 190.8MB. Free memory was 81.4MB in the beginning and 79.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.46ms. Allocated memory is still 190.8MB. Free memory was 79.1MB in the beginning and 77.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.70ms. Allocated memory is still 190.8MB. Free memory was 77.2MB in the beginning and 62.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 424.77ms. Allocated memory is still 190.8MB. Free memory was 62.6MB in the beginning and 147.4MB in the end (delta: -84.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.76ms. Allocated memory is still 190.8MB. Free memory was 147.4MB in the beginning and 147.4MB 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 [2024-11-08 23:12:13,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk --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 922d2e97744354ceb7196fe812246908bd535818a6f3f24824fe12c3bd9ccfdc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:12:16,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:12:16,190 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:12:16,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:12:16,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:12:16,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:12:16,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:12:16,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:12:16,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:12:16,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:12:16,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:12:16,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:12:16,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:12:16,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:12:16,234 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:12:16,234 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:12:16,235 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:12:16,235 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:12:16,235 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:12:16,236 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:12:16,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:12:16,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:12:16,237 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:12:16,238 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:12:16,238 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:12:16,238 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:16,239 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:12:16,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:12:16,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:12:16,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:12:16,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:12:16,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:12:16,241 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:12:16,241 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:16,242 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:12:16,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 922d2e97744354ceb7196fe812246908bd535818a6f3f24824fe12c3bd9ccfdc [2024-11-08 23:12:16,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:12:16,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:12:16,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:12:16,676 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:12:16,677 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:12:16,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_45_bad.i Unable to find full path for "g++" [2024-11-08 23:12:18,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:12:19,128 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:12:19,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_45_bad.i [2024-11-08 23:12:19,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/data/998101925/41ddc41885d141db84659d2af2cf7b40/FLAG7ce383ea6 [2024-11-08 23:12:19,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/data/998101925/41ddc41885d141db84659d2af2cf7b40 [2024-11-08 23:12:19,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:12:19,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:12:19,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:12:19,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:12:19,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:12:19,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:12:19" (1/1) ... [2024-11-08 23:12:19,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c82dd57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:19, skipping insertion in model container [2024-11-08 23:12:19,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:12:19" (1/1) ... [2024-11-08 23:12:19,311 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:12:20,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:12:20,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:12:20,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:12:20,627 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:12:20,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:20 WrapperNode [2024-11-08 23:12:20,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:12:20,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:12:20,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:12:20,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:12:20,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:20" (1/1) ... [2024-11-08 23:12:20,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:20" (1/1) ... [2024-11-08 23:12:20,713 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-08 23:12:20,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:12:20,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:12:20,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:12:20,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:12:20,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:20" (1/1) ... [2024-11-08 23:12:20,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:20" (1/1) ... [2024-11-08 23:12:20,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:20" (1/1) ... [2024-11-08 23:12:20,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:20" (1/1) ... [2024-11-08 23:12:20,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:20" (1/1) ... [2024-11-08 23:12:20,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:20" (1/1) ... [2024-11-08 23:12:20,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:20" (1/1) ... [2024-11-08 23:12:20,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:20" (1/1) ... [2024-11-08 23:12:20,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:12:20,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:12:20,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:12:20,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:12:20,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:20" (1/1) ... [2024-11-08 23:12:20,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:12:20,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:12:20,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:12:20,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:12:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:12:20,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:12:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:12:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:12:20,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:12:21,033 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:12:21,036 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:12:21,200 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 23:12:21,200 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:12:21,281 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:12:21,281 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:12:21,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:12:21 BoogieIcfgContainer [2024-11-08 23:12:21,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:12:21,282 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:12:21,284 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:12:21,296 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:12:21,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:12:21" (1/1) ... [2024-11-08 23:12:21,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:12:21,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:21,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:12:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:12:21,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:12:21,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:21,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:21,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:21,373 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:21,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:12:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:12:21,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:12:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:12:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:12:21,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:12:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:12:21,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:12:21,809 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:12:21,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:12:21 ImpRootNode [2024-11-08 23:12:21,853 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:12:21,854 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:12:21,854 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:12:21,854 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:12:21,854 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:12:21" (3/4) ... [2024-11-08 23:12:21,859 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:12:21,861 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:12:21,862 INFO L158 Benchmark]: Toolchain (without parser) took 2673.56ms. Allocated memory was 62.9MB in the beginning and 94.4MB in the end (delta: 31.5MB). Free memory was 29.4MB in the beginning and 55.1MB in the end (delta: -25.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-08 23:12:21,862 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:12:21,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1437.50ms. Allocated memory was 62.9MB in the beginning and 94.4MB in the end (delta: 31.5MB). Free memory was 29.2MB in the beginning and 42.2MB in the end (delta: -13.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-08 23:12:21,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.15ms. Allocated memory is still 94.4MB. Free memory was 65.6MB in the beginning and 63.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:12:21,865 INFO L158 Benchmark]: Boogie Preprocessor took 28.70ms. Allocated memory is still 94.4MB. Free memory was 62.5MB in the beginning and 60.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:12:21,866 INFO L158 Benchmark]: RCFGBuilder took 538.37ms. Allocated memory is still 94.4MB. Free memory was 60.9MB in the beginning and 44.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:12:21,866 INFO L158 Benchmark]: CodeCheck took 570.81ms. Allocated memory is still 94.4MB. Free memory was 44.6MB in the beginning and 55.6MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:12:21,867 INFO L158 Benchmark]: Witness Printer took 7.02ms. Allocated memory is still 94.4MB. Free memory was 55.6MB in the beginning and 55.1MB in the end (delta: 532.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:12:21,871 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_fscanf_predec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fscanf_predec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_45_bad() [L1562] int data; [L1563] data = 0 [L1565] CWE191_Integer_Underflow__int_fscanf_predec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fscanf_predec_45_badData; VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodG2BData=0, 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] [L1555] --data VAL [CWE191_Integer_Underflow__int_fscanf_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_predec_45_goodG2BData=0, 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 0.21ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1437.50ms. Allocated memory was 62.9MB in the beginning and 94.4MB in the end (delta: 31.5MB). Free memory was 29.2MB in the beginning and 42.2MB in the end (delta: -13.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.15ms. Allocated memory is still 94.4MB. Free memory was 65.6MB in the beginning and 63.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.70ms. Allocated memory is still 94.4MB. Free memory was 62.5MB in the beginning and 60.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 538.37ms. Allocated memory is still 94.4MB. Free memory was 60.9MB in the beginning and 44.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 570.81ms. Allocated memory is still 94.4MB. Free memory was 44.6MB in the beginning and 55.6MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.02ms. Allocated memory is still 94.4MB. Free memory was 55.6MB in the beginning and 55.1MB in the end (delta: 532.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:12:21,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5e9a00-7a22-4134-a940-dbb4ce8a4d70/bin/ukojak-verify-ImItNfHLgk/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