./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_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_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/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_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/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_0b732351-4394-4ac8-965b-be4b0b1d2cba/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 745137f2fc19e9cbc38af4fb69c31f980cf9afa203e1adc9caecf702edf2cf05 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:23:41,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:23:41,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:23:41,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:23:41,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:23:42,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:23:42,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:23:42,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:23:42,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:23:42,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:23:42,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:23:42,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:23:42,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:23:42,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:23:42,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:23:42,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:23:42,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:23:42,011 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:23:42,012 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:23:42,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:23:42,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:23:42,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:23:42,012 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:23:42,012 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:23:42,012 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:23:42,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:23:42,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:42,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:23:42,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:23:42,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:23:42,013 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:23:42,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:23:42,013 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_0b732351-4394-4ac8-965b-be4b0b1d2cba/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 -> 745137f2fc19e9cbc38af4fb69c31f980cf9afa203e1adc9caecf702edf2cf05 [2024-11-13 20:23:42,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:23:42,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:23:42,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:23:42,334 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:23:42,335 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:23:42,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i Unable to find full path for "g++" [2024-11-13 20:23:44,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:23:44,873 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:23:44,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i [2024-11-13 20:23:44,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/data/89a3274b4/ed5d6887853046b7820cdac2ea419018/FLAGd37610397 [2024-11-13 20:23:44,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/data/89a3274b4/ed5d6887853046b7820cdac2ea419018 [2024-11-13 20:23:44,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:23:44,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:23:44,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:44,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:23:44,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:23:44,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:44" (1/1) ... [2024-11-13 20:23:44,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a0a121d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:44, skipping insertion in model container [2024-11-13 20:23:44,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:44" (1/1) ... [2024-11-13 20:23:45,022 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:23:45,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:45,954 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:23:46,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:46,254 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:23:46,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:46 WrapperNode [2024-11-13 20:23:46,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:46,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:46,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:23:46,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:23:46,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:46" (1/1) ... [2024-11-13 20:23:46,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:46" (1/1) ... [2024-11-13 20:23:46,319 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-13 20:23:46,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:46,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:23:46,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:23:46,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:23:46,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:46" (1/1) ... [2024-11-13 20:23:46,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:46" (1/1) ... [2024-11-13 20:23:46,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:46" (1/1) ... [2024-11-13 20:23:46,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:46" (1/1) ... [2024-11-13 20:23:46,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:46" (1/1) ... [2024-11-13 20:23:46,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:46" (1/1) ... [2024-11-13 20:23:46,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:46" (1/1) ... [2024-11-13 20:23:46,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:46" (1/1) ... [2024-11-13 20:23:46,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:23:46,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:23:46,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:23:46,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:23:46,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:46" (1/1) ... [2024-11-13 20:23:46,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:46,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:23:46,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:23:46,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:23:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:23:46,405 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:23:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:23:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:23:46,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:23:46,563 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:23:46,565 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:23:46,707 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 20:23:46,707 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:23:46,762 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:23:46,764 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:23:46,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:46 BoogieIcfgContainer [2024-11-13 20:23:46,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:23:46,765 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:23:46,765 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:23:46,775 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:23:46,776 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:46" (1/1) ... [2024-11-13 20:23:46,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:23:46,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:46,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:23:46,850 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:23:46,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:23:46,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:46,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:46,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:23:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:47,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:23:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:47,119 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:23:47,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:23:47 ImpRootNode [2024-11-13 20:23:47,143 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:23:47,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:23:47,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:23:47,144 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:23:47,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:46" (3/4) ... [2024-11-13 20:23:47,147 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:23:47,148 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:23:47,149 INFO L158 Benchmark]: Toolchain (without parser) took 2211.51ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 50.5MB in the end (delta: 39.9MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-13 20:23:47,150 INFO L158 Benchmark]: CDTParser took 0.45ms. 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 20:23:47,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1317.26ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 81.3MB in the end (delta: 8.7MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 20:23:47,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.50ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.9MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:23:47,151 INFO L158 Benchmark]: Boogie Preprocessor took 23.39ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 78.2MB in the end (delta: 611.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:47,152 INFO L158 Benchmark]: RCFGBuilder took 419.95ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 64.3MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:23:47,152 INFO L158 Benchmark]: CodeCheck took 378.19ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 50.5MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:23:47,153 INFO L158 Benchmark]: Witness Printer took 4.65ms. Allocated memory is still 117.4MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:47,155 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 8 NumberOfCodeBlocks, 8 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 badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.45ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1317.26ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 81.3MB in the end (delta: 8.7MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.50ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.9MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.39ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 78.2MB in the end (delta: 611.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 419.95ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 64.3MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 378.19ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 50.5MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.65ms. Allocated memory is still 117.4MB. Free memory is still 50.5MB. 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 20:23:47,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/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_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/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_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/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_0b732351-4394-4ac8-965b-be4b0b1d2cba/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 745137f2fc19e9cbc38af4fb69c31f980cf9afa203e1adc9caecf702edf2cf05 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:23:50,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:23:50,456 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:23:50,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:23:50,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:23:50,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:23:50,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:23:50,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:23:50,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:23:50,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:23:50,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:23:50,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:23:50,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:23:50,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:23:50,527 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:23:50,527 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:23:50,527 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:23:50,527 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:23:50,527 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:23:50,528 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:23:50,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:23:50,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:23:50,528 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:23:50,528 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:23:50,528 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:23:50,529 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:50,529 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:23:50,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:23:50,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:50,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:23:50,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:23:50,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:23:50,529 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:23:50,530 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:50,530 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:23:50,530 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_0b732351-4394-4ac8-965b-be4b0b1d2cba/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 -> 745137f2fc19e9cbc38af4fb69c31f980cf9afa203e1adc9caecf702edf2cf05 [2024-11-13 20:23:50,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:23:50,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:23:50,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:23:50,891 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:23:50,892 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:23:50,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i Unable to find full path for "g++" [2024-11-13 20:23:52,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:23:53,322 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:23:53,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i [2024-11-13 20:23:53,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/data/a7d0f0bd7/24c43d78a4a54940881d1b00b0217a91/FLAG5f6d9ede0 [2024-11-13 20:23:53,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/data/a7d0f0bd7/24c43d78a4a54940881d1b00b0217a91 [2024-11-13 20:23:53,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:23:53,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:23:53,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:53,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:23:53,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:23:53,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:53" (1/1) ... [2024-11-13 20:23:53,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682baf9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:53, skipping insertion in model container [2024-11-13 20:23:53,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:53" (1/1) ... [2024-11-13 20:23:53,470 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:23:54,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:54,475 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:23:54,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:54,727 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:23:54,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:54 WrapperNode [2024-11-13 20:23:54,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:54,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:54,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:23:54,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:23:54,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:54" (1/1) ... [2024-11-13 20:23:54,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:54" (1/1) ... [2024-11-13 20:23:54,807 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-13 20:23:54,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:54,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:23:54,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:23:54,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:23:54,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:54" (1/1) ... [2024-11-13 20:23:54,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:54" (1/1) ... [2024-11-13 20:23:54,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:54" (1/1) ... [2024-11-13 20:23:54,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:54" (1/1) ... [2024-11-13 20:23:54,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:54" (1/1) ... [2024-11-13 20:23:54,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:54" (1/1) ... [2024-11-13 20:23:54,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:54" (1/1) ... [2024-11-13 20:23:54,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:54" (1/1) ... [2024-11-13 20:23:54,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:23:54,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:23:54,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:23:54,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:23:54,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:54" (1/1) ... [2024-11-13 20:23:54,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:54,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:23:54,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:23:54,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:23:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:23:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:23:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:23:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:23:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:23:55,167 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:23:55,171 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:23:55,306 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 20:23:55,307 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:23:55,350 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:23:55,350 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:23:55,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:55 BoogieIcfgContainer [2024-11-13 20:23:55,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:23:55,352 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:23:55,352 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:23:55,365 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:23:55,365 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:55" (1/1) ... [2024-11-13 20:23:55,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:23:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:55,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:23:55,419 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:23:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:23:55,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:55,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:55,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:55,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:55,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:23:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:55,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:23:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:55,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:23:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:55,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:23:55,789 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:23:55,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:23:55 ImpRootNode [2024-11-13 20:23:55,829 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:23:55,830 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:23:55,830 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:23:55,831 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:23:55,831 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:55" (3/4) ... [2024-11-13 20:23:55,836 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:23:55,837 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:23:55,840 INFO L158 Benchmark]: Toolchain (without parser) took 2442.75ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 89.0MB in the beginning and 261.0MB in the end (delta: -172.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-13 20:23:55,840 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:55,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1332.33ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 68.9MB in the end (delta: 20.1MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-13 20:23:55,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.98ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 66.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:55,842 INFO L158 Benchmark]: Boogie Preprocessor took 55.97ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 64.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:55,842 INFO L158 Benchmark]: RCFGBuilder took 486.33ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 49.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:23:55,843 INFO L158 Benchmark]: CodeCheck took 477.81ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 49.0MB in the beginning and 261.7MB in the end (delta: -212.7MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-13 20:23:55,846 INFO L158 Benchmark]: Witness Printer took 6.49ms. Allocated memory is still 293.6MB. Free memory was 261.7MB in the beginning and 261.0MB in the end (delta: 691.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:55,849 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 8 NumberOfCodeBlocks, 8 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 badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.43ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1332.33ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 68.9MB in the end (delta: 20.1MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.98ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 66.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.97ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 64.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 486.33ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 49.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 477.81ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 49.0MB in the beginning and 261.7MB in the end (delta: -212.7MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Witness Printer took 6.49ms. Allocated memory is still 293.6MB. Free memory was 261.7MB in the beginning and 261.0MB in the end (delta: 691.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:23:55,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b732351-4394-4ac8-965b-be4b0b1d2cba/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