./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_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_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/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_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/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_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/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 2d0117c9d83fca7d5bcd1a37439eea949686c5439f57cadb746390850e63b2fc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:09:31,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:09:31,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:09:31,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:09:31,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:09:31,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:09:31,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:09:31,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:09:31,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:09:31,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:09:31,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:09:31,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:09:31,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:09:31,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:09:31,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:09:31,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:09:31,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:09:31,533 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:09:31,533 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:09:31,534 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:09:31,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:09:31,534 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:09:31,534 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:09:31,534 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:09:31,534 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:09:31,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:09:31,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:09:31,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:09:31,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:09:31,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:09:31,535 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:09:31,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:09:31,536 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_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/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 -> 2d0117c9d83fca7d5bcd1a37439eea949686c5439f57cadb746390850e63b2fc [2024-11-13 22:09:31,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:09:31,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:09:31,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:09:31,804 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:09:31,805 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:09:31,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_bad.i Unable to find full path for "g++" [2024-11-13 22:09:33,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:09:34,108 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:09:34,109 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_bad.i [2024-11-13 22:09:34,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/data/c648fd8f9/4c819da61bff4438a7baa296d15d288b/FLAGdf574fce8 [2024-11-13 22:09:34,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/data/c648fd8f9/4c819da61bff4438a7baa296d15d288b [2024-11-13 22:09:34,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:09:34,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:09:34,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:09:34,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:09:34,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:09:34,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:09:34" (1/1) ... [2024-11-13 22:09:34,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6483dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:34, skipping insertion in model container [2024-11-13 22:09:34,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:09:34" (1/1) ... [2024-11-13 22:09:34,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:09:35,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:09:35,172 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:09:35,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:09:35,426 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:09:35,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:35 WrapperNode [2024-11-13 22:09:35,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:09:35,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:09:35,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:09:35,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:09:35,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:35" (1/1) ... [2024-11-13 22:09:35,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:35" (1/1) ... [2024-11-13 22:09:35,469 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-13 22:09:35,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:09:35,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:09:35,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:09:35,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:09:35,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:35" (1/1) ... [2024-11-13 22:09:35,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:35" (1/1) ... [2024-11-13 22:09:35,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:35" (1/1) ... [2024-11-13 22:09:35,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:35" (1/1) ... [2024-11-13 22:09:35,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:35" (1/1) ... [2024-11-13 22:09:35,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:35" (1/1) ... [2024-11-13 22:09:35,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:35" (1/1) ... [2024-11-13 22:09:35,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:35" (1/1) ... [2024-11-13 22:09:35,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:09:35,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:09:35,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:09:35,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:09:35,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:35" (1/1) ... [2024-11-13 22:09:35,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:09:35,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:09:35,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:09:35,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:09:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:09:35,560 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:09:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-13 22:09:35,560 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-13 22:09:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:09:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:09:35,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:09:35,728 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:09:35,729 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:09:35,851 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:09:35,852 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:09:35,907 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:09:35,907 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:09:35,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:35 BoogieIcfgContainer [2024-11-13 22:09:35,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:09:35,908 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:09:35,909 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:09:35,918 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:09:35,918 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:35" (1/1) ... [2024-11-13 22:09:35,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:09:35,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:35,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-13 22:09:35,969 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-13 22:09:35,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:09:35,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:35,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:09:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:36,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:09:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:36,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:09:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:36,319 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:09:36,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:09:36 ImpRootNode [2024-11-13 22:09:36,365 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:09:36,365 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:09:36,365 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:09:36,366 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:09:36,366 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:35" (3/4) ... [2024-11-13 22:09:36,368 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:09:36,370 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:09:36,371 INFO L158 Benchmark]: Toolchain (without parser) took 2210.42ms. Allocated memory is still 109.1MB. Free memory was 80.5MB in the beginning and 32.0MB in the end (delta: 48.6MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-13 22:09:36,372 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:36,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1264.45ms. Allocated memory is still 109.1MB. Free memory was 80.1MB in the beginning and 65.7MB in the end (delta: 14.3MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 22:09:36,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.77ms. Allocated memory is still 109.1MB. Free memory was 65.7MB in the beginning and 63.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:36,374 INFO L158 Benchmark]: Boogie Preprocessor took 23.75ms. Allocated memory is still 109.1MB. Free memory was 63.2MB in the beginning and 62.3MB in the end (delta: 890.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:09:36,376 INFO L158 Benchmark]: RCFGBuilder took 409.95ms. Allocated memory is still 109.1MB. Free memory was 62.3MB in the beginning and 48.3MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:09:36,376 INFO L158 Benchmark]: CodeCheck took 456.44ms. Allocated memory is still 109.1MB. Free memory was 48.3MB in the beginning and 32.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:09:36,376 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 109.1MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:36,380 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 3 procedures, 20 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, 15 NumberOfCodeBlocks, 15 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: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() 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] [L1556] COND TRUE globalReturnsTrue() [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1264.45ms. Allocated memory is still 109.1MB. Free memory was 80.1MB in the beginning and 65.7MB in the end (delta: 14.3MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.77ms. Allocated memory is still 109.1MB. Free memory was 65.7MB in the beginning and 63.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.75ms. Allocated memory is still 109.1MB. Free memory was 63.2MB in the beginning and 62.3MB in the end (delta: 890.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 409.95ms. Allocated memory is still 109.1MB. Free memory was 62.3MB in the beginning and 48.3MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 456.44ms. Allocated memory is still 109.1MB. Free memory was 48.3MB in the beginning and 32.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 109.1MB. Free memory is still 32.0MB. 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 22:09:36,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/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_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/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_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/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_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/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 2d0117c9d83fca7d5bcd1a37439eea949686c5439f57cadb746390850e63b2fc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:09:38,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:09:39,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:09:39,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:09:39,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:09:39,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:09:39,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:09:39,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:09:39,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:09:39,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:09:39,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:09:39,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:09:39,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:09:39,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:09:39,129 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:09:39,129 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:09:39,129 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:09:39,129 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:09:39,129 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:09:39,129 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:09:39,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:09:39,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:09:39,130 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:09:39,130 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:09:39,130 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:09:39,130 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:39,130 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:09:39,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:09:39,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:09:39,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:09:39,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:09:39,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:09:39,131 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:09:39,131 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:39,131 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:09:39,131 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_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/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 -> 2d0117c9d83fca7d5bcd1a37439eea949686c5439f57cadb746390850e63b2fc [2024-11-13 22:09:39,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:09:39,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:09:39,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:09:39,541 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:09:39,541 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:09:39,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_bad.i Unable to find full path for "g++" [2024-11-13 22:09:41,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:09:41,961 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:09:41,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_bad.i [2024-11-13 22:09:41,995 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/data/5080c4756/9a305b766ea845efa67a296181bbd754/FLAGaf89ce41a [2024-11-13 22:09:42,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/data/5080c4756/9a305b766ea845efa67a296181bbd754 [2024-11-13 22:09:42,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:09:42,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:09:42,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:09:42,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:09:42,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:09:42,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:09:42" (1/1) ... [2024-11-13 22:09:42,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d57378b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:42, skipping insertion in model container [2024-11-13 22:09:42,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:09:42" (1/1) ... [2024-11-13 22:09:42,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:09:42,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:09:42,890 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:09:43,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:09:43,213 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:09:43,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:43 WrapperNode [2024-11-13 22:09:43,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:09:43,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:09:43,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:09:43,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:09:43,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:43" (1/1) ... [2024-11-13 22:09:43,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:43" (1/1) ... [2024-11-13 22:09:43,285 INFO L138 Inliner]: procedures = 502, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-13 22:09:43,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:09:43,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:09:43,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:09:43,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:09:43,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:43" (1/1) ... [2024-11-13 22:09:43,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:43" (1/1) ... [2024-11-13 22:09:43,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:43" (1/1) ... [2024-11-13 22:09:43,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:43" (1/1) ... [2024-11-13 22:09:43,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:43" (1/1) ... [2024-11-13 22:09:43,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:43" (1/1) ... [2024-11-13 22:09:43,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:43" (1/1) ... [2024-11-13 22:09:43,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:43" (1/1) ... [2024-11-13 22:09:43,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:09:43,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:09:43,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:09:43,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:09:43,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:43" (1/1) ... [2024-11-13 22:09:43,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:09:43,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:09:43,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:09:43,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:09:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:09:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:09:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-13 22:09:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-13 22:09:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:09:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:09:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:09:43,562 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:09:43,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:09:43,706 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 22:09:43,707 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:09:43,754 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:09:43,756 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:09:43,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:43 BoogieIcfgContainer [2024-11-13 22:09:43,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:09:43,758 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:09:43,758 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:09:43,765 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:09:43,765 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:43" (1/1) ... [2024-11-13 22:09:43,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:09:43,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:43,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-13 22:09:43,821 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-13 22:09:43,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:09:43,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:43,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:43,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:43,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:43,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:09:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:44,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:09:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:44,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:09:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:44,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:09:44,228 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:09:44,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:09:44 ImpRootNode [2024-11-13 22:09:44,265 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:09:44,266 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:09:44,266 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:09:44,266 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:09:44,268 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:43" (3/4) ... [2024-11-13 22:09:44,270 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:09:44,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:09:44,275 INFO L158 Benchmark]: Toolchain (without parser) took 2257.28ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 89.0MB in the beginning and 224.4MB in the end (delta: -135.5MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-13 22:09:44,275 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:44,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1198.40ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 66.6MB in the end (delta: 22.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 22:09:44,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.83ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 64.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:44,276 INFO L158 Benchmark]: Boogie Preprocessor took 45.42ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 62.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:44,279 INFO L158 Benchmark]: RCFGBuilder took 424.80ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 46.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:09:44,280 INFO L158 Benchmark]: CodeCheck took 507.72ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 46.7MB in the beginning and 224.5MB in the end (delta: -177.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:44,280 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 260.0MB. Free memory was 224.5MB in the beginning and 224.4MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:44,282 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 3 procedures, 19 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, 14 NumberOfCodeBlocks, 14 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: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() 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] [L1556] COND TRUE globalReturnsTrue() [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1198.40ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 66.6MB in the end (delta: 22.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.83ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 64.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.42ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 62.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 424.80ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 46.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 507.72ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 46.7MB in the beginning and 224.5MB in the end (delta: -177.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 260.0MB. Free memory was 224.5MB in the beginning and 224.4MB in the end (delta: 35.5kB). 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 22:09:44,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f05a420a-e56a-4516-bc52-a4cd12b4bdb2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample