./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1842186ec00f0c034bcf71431d5e1b2f47897c26d28a37392b362829f3317317 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:22:40,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:22:40,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:22:40,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:22:40,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:22:40,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:22:40,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:22:40,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:22:40,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:22:40,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:22:40,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:22:40,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:22:40,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:22:40,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:22:40,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:22:40,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:22:40,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:22:40,699 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:22:40,699 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:22:40,699 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:22:40,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:22:40,700 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:22:40,700 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:22:40,700 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:22:40,700 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:22:40,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:22:40,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:40,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:22:40,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:22:40,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:22:40,701 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:22:40,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:22:40,701 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_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1842186ec00f0c034bcf71431d5e1b2f47897c26d28a37392b362829f3317317 [2024-11-13 23:22:41,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:22:41,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:22:41,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:22:41,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:22:41,068 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:22:41,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_51_bad.i Unable to find full path for "g++" [2024-11-13 23:22:43,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:22:43,513 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:22:43,514 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_51_bad.i [2024-11-13 23:22:43,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/data/bcbdd596c/6a712b5f7e764665b384cde3e1fa9bc5/FLAG36049ec76 [2024-11-13 23:22:43,551 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/data/bcbdd596c/6a712b5f7e764665b384cde3e1fa9bc5 [2024-11-13 23:22:43,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:22:43,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:22:43,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:43,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:22:43,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:22:43,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:43" (1/1) ... [2024-11-13 23:22:43,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765651fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:43, skipping insertion in model container [2024-11-13 23:22:43,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:43" (1/1) ... [2024-11-13 23:22:43,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:22:44,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:44,536 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:22:44,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:44,803 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:22:44,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:44 WrapperNode [2024-11-13 23:22:44,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:44,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:44,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:22:44,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:22:44,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:44" (1/1) ... [2024-11-13 23:22:44,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:44" (1/1) ... [2024-11-13 23:22:44,858 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2024-11-13 23:22:44,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:44,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:22:44,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:22:44,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:22:44,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:44" (1/1) ... [2024-11-13 23:22:44,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:44" (1/1) ... [2024-11-13 23:22:44,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:44" (1/1) ... [2024-11-13 23:22:44,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:44" (1/1) ... [2024-11-13 23:22:44,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:44" (1/1) ... [2024-11-13 23:22:44,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:44" (1/1) ... [2024-11-13 23:22:44,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:44" (1/1) ... [2024-11-13 23:22:44,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:44" (1/1) ... [2024-11-13 23:22:44,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:22:44,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:22:44,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:22:44,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:22:44,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:44" (1/1) ... [2024-11-13 23:22:44,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:44,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:22:44,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:22:44,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:22:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:22:44,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:22:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:22:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:22:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:22:45,116 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:22:45,118 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:22:45,239 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 23:22:45,239 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:22:45,271 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:22:45,271 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:22:45,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:45 BoogieIcfgContainer [2024-11-13 23:22:45,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:22:45,273 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:22:45,273 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:22:45,282 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:22:45,282 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:45" (1/1) ... [2024-11-13 23:22:45,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:22:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:45,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:22:45,349 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:22:45,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:22:45,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:45,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:22:45,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:22:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:22:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:22:45,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:22:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:22:45,578 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:22:45,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:22:45 ImpRootNode [2024-11-13 23:22:45,605 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:22:45,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:22:45,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:22:45,606 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:22:45,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:45" (3/4) ... [2024-11-13 23:22:45,608 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:22:45,609 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:22:45,610 INFO L158 Benchmark]: Toolchain (without parser) took 2055.71ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 52.8MB in the end (delta: 38.0MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-13 23:22:45,610 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:45,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1250.04ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 83.8MB in the end (delta: 7.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-13 23:22:45,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.97ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 81.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:45,612 INFO L158 Benchmark]: Boogie Preprocessor took 17.60ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.9MB in the end (delta: 806.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:22:45,612 INFO L158 Benchmark]: RCFGBuilder took 395.09ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 66.9MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:22:45,617 INFO L158 Benchmark]: CodeCheck took 332.14ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 53.4MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:22:45,618 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 117.4MB. Free memory was 53.4MB in the beginning and 52.8MB in the end (delta: 590.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:45,620 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 7 NumberOfCodeBlocks, 7 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: 1568]: 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 1559. 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); [L1559] CALL printLine("Calling bad()...") VAL [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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_51b_badSink(data) [L1566] 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] [L1568] 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 1.13ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1250.04ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 83.8MB in the end (delta: 7.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.97ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 81.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.60ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.9MB in the end (delta: 806.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 395.09ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 66.9MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 332.14ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 53.4MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 117.4MB. Free memory was 53.4MB in the beginning and 52.8MB in the end (delta: 590.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:22:45,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1842186ec00f0c034bcf71431d5e1b2f47897c26d28a37392b362829f3317317 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:22:48,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:22:48,367 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:22:48,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:22:48,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:22:48,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:22:48,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:22:48,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:22:48,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:22:48,401 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:22:48,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:22:48,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:22:48,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:22:48,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:22:48,401 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:22:48,402 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:22:48,402 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:22:48,402 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:22:48,402 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:22:48,402 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:22:48,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:22:48,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:22:48,402 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:22:48,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:22:48,403 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:22:48,403 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:48,403 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:22:48,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:22:48,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:48,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:22:48,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:22:48,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:22:48,404 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:22:48,404 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:48,404 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:22:48,404 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_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1842186ec00f0c034bcf71431d5e1b2f47897c26d28a37392b362829f3317317 [2024-11-13 23:22:48,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:22:48,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:22:48,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:22:48,772 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:22:48,772 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:22:48,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_51_bad.i Unable to find full path for "g++" [2024-11-13 23:22:50,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:22:51,286 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:22:51,290 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_51_bad.i [2024-11-13 23:22:51,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/data/4d2b8c863/af8ce9678d184b0c904b17d627295285/FLAG2e7e2b43e [2024-11-13 23:22:51,363 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/data/4d2b8c863/af8ce9678d184b0c904b17d627295285 [2024-11-13 23:22:51,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:22:51,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:22:51,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:51,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:22:51,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:22:51,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:51" (1/1) ... [2024-11-13 23:22:51,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@794f44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:51, skipping insertion in model container [2024-11-13 23:22:51,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:51" (1/1) ... [2024-11-13 23:22:51,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:22:52,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:52,607 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:22:52,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:52,925 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:22:52,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:52 WrapperNode [2024-11-13 23:22:52,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:52,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:52,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:22:52,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:22:52,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:52" (1/1) ... [2024-11-13 23:22:52,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:52" (1/1) ... [2024-11-13 23:22:52,976 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-13 23:22:52,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:52,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:22:52,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:22:52,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:22:52,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:52" (1/1) ... [2024-11-13 23:22:52,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:52" (1/1) ... [2024-11-13 23:22:52,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:52" (1/1) ... [2024-11-13 23:22:52,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:52" (1/1) ... [2024-11-13 23:22:53,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:52" (1/1) ... [2024-11-13 23:22:53,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:52" (1/1) ... [2024-11-13 23:22:53,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:52" (1/1) ... [2024-11-13 23:22:53,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:52" (1/1) ... [2024-11-13 23:22:53,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:22:53,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:22:53,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:22:53,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:22:53,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:52" (1/1) ... [2024-11-13 23:22:53,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:53,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:22:53,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:22:53,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:22:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:22:53,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:22:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:22:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:22:53,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:22:53,285 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:22:53,287 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:22:53,384 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 23:22:53,384 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:22:53,428 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:22:53,428 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:22:53,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:53 BoogieIcfgContainer [2024-11-13 23:22:53,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:22:53,430 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:22:53,430 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:22:53,441 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:22:53,442 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:53" (1/1) ... [2024-11-13 23:22:53,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:22:53,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:53,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:22:53,515 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:22:53,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:22:53,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:53,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:53,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:53,525 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:53,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:22:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:22:53,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:22:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:22:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:22:53,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:22:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:22:53,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:22:53,882 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:22:53,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:22:53 ImpRootNode [2024-11-13 23:22:53,917 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:22:53,918 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:22:53,918 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:22:53,919 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:22:53,920 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:53" (3/4) ... [2024-11-13 23:22:53,923 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:22:53,923 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:22:53,924 INFO L158 Benchmark]: Toolchain (without parser) took 2556.55ms. Allocated memory is still 83.9MB. Free memory was 57.6MB in the beginning and 43.2MB in the end (delta: 14.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-13 23:22:53,927 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 34.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:53,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1555.41ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 51.3MB in the end (delta: 5.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 23:22:53,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.57ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 48.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:53,928 INFO L158 Benchmark]: Boogie Preprocessor took 38.04ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 46.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:53,928 INFO L158 Benchmark]: RCFGBuilder took 412.87ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 32.4MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:22:53,929 INFO L158 Benchmark]: CodeCheck took 487.29ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 43.6MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:53,929 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 43.2MB in the end (delta: 430.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:53,934 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1568]: 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 1559. 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); [L1559] CALL printLine("Calling bad()...") VAL [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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_51b_badSink(data) [L1566] 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] [L1568] 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 0.28ms. Allocated memory is still 83.9MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 34.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1555.41ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 51.3MB in the end (delta: 5.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.57ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 48.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.04ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 46.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.87ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 32.4MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 487.29ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 43.6MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 43.2MB in the end (delta: 430.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:22:53,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ca36c0-4dcc-4afb-aa9b-3c0c7b2ca48c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample