./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_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_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/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_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/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_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/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 488900364aeb7144f2ff9e9661db1f041fd2181d2115cca1b9f99fed94287fbb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:36:35,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:36:35,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:36:35,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:36:35,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:36:35,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:36:35,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:36:35,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:36:35,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:36:35,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:36:35,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:36:35,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:36:35,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:36:35,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:36:35,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:36:35,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:36:35,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:36:35,356 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:36:35,356 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:36:35,356 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:36:35,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:36:35,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:36:35,356 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:36:35,357 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:36:35,357 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:36:35,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:36:35,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:36:35,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:36:35,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:36:35,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:36:35,358 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:36:35,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:36:35,358 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_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/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 -> 488900364aeb7144f2ff9e9661db1f041fd2181d2115cca1b9f99fed94287fbb [2024-11-13 16:36:35,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:36:35,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:36:35,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:36:35,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:36:35,644 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:36:35,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i Unable to find full path for "g++" [2024-11-13 16:36:37,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:36:38,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:36:38,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i [2024-11-13 16:36:38,090 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/data/e3c863a16/1a687e8225ed4141a24785f28e961159/FLAGd28ff7676 [2024-11-13 16:36:38,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/data/e3c863a16/1a687e8225ed4141a24785f28e961159 [2024-11-13 16:36:38,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:36:38,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:36:38,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:36:38,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:36:38,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:36:38,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:36:38" (1/1) ... [2024-11-13 16:36:38,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5009e454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:38, skipping insertion in model container [2024-11-13 16:36:38,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:36:38" (1/1) ... [2024-11-13 16:36:38,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:36:39,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:36:39,364 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:36:39,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:36:39,588 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:36:39,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39 WrapperNode [2024-11-13 16:36:39,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:36:39,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:36:39,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:36:39,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:36:39,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,651 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-13 16:36:39,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:36:39,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:36:39,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:36:39,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:36:39,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:36:39,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:36:39,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:36:39,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:36:39,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:36:39,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:36:39,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:36:39,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:36:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:36:39,740 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:36:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:36:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:36:39,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:36:39,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:36:39,920 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:36:40,047 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 16:36:40,048 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:36:40,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:36:40,109 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:36:40,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:40 BoogieIcfgContainer [2024-11-13 16:36:40,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:36:40,110 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:36:40,110 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:36:40,122 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:36:40,122 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:40" (1/1) ... [2024-11-13 16:36:40,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:36:40,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:40,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 16:36:40,191 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 16:36:40,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:36:40,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:40,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:36:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:36:40,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:36:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:36:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:36:40,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:36:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:36:40,437 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:36:40,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:36:40 ImpRootNode [2024-11-13 16:36:40,472 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:36:40,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:36:40,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:36:40,474 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:36:40,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:40" (3/4) ... [2024-11-13 16:36:40,477 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:36:40,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:36:40,479 INFO L158 Benchmark]: Toolchain (without parser) took 2355.93ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 93.5MB in the end (delta: 21.2MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-13 16:36:40,479 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:36:40,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1465.09ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 57.0MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 16:36:40,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.53ms. Allocated memory is still 142.6MB. Free memory was 57.0MB in the beginning and 54.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:36:40,480 INFO L158 Benchmark]: Boogie Preprocessor took 20.27ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 53.6MB in the end (delta: 795.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:36:40,481 INFO L158 Benchmark]: RCFGBuilder took 437.16ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 108.0MB in the end (delta: -54.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-13 16:36:40,481 INFO L158 Benchmark]: CodeCheck took 362.18ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 93.5MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:36:40,482 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 142.6MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:36:40,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1570. 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 const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_predec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.45ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1465.09ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 57.0MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.53ms. Allocated memory is still 142.6MB. Free memory was 57.0MB in the beginning and 54.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.27ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 53.6MB in the end (delta: 795.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 437.16ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 108.0MB in the end (delta: -54.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * CodeCheck took 362.18ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 93.5MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 142.6MB. Free memory is still 93.5MB. 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 16:36:40,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/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_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/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_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/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_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/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 488900364aeb7144f2ff9e9661db1f041fd2181d2115cca1b9f99fed94287fbb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:36:43,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:36:43,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:36:43,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:36:43,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:36:43,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:36:43,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:36:43,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:36:43,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:36:43,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:36:43,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:36:43,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:36:43,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:36:43,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:36:43,470 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:36:43,471 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:36:43,471 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:36:43,471 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:36:43,471 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:36:43,471 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:36:43,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:36:43,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:36:43,471 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:36:43,471 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:36:43,471 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:36:43,472 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:36:43,472 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:36:43,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:36:43,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:36:43,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:36:43,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:36:43,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:36:43,472 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:36:43,472 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:36:43,473 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:36:43,473 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_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/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 -> 488900364aeb7144f2ff9e9661db1f041fd2181d2115cca1b9f99fed94287fbb [2024-11-13 16:36:43,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:36:43,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:36:43,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:36:43,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:36:43,811 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:36:43,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i Unable to find full path for "g++" [2024-11-13 16:36:45,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:36:46,322 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:36:46,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i [2024-11-13 16:36:46,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/data/e21e12b87/7555fc6dbcfb41f296f9ecb46beb9135/FLAG2f6e52a9b [2024-11-13 16:36:46,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/data/e21e12b87/7555fc6dbcfb41f296f9ecb46beb9135 [2024-11-13 16:36:46,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:36:46,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:36:46,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:36:46,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:36:46,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:36:46,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:36:46" (1/1) ... [2024-11-13 16:36:46,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2faaefb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:46, skipping insertion in model container [2024-11-13 16:36:46,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:36:46" (1/1) ... [2024-11-13 16:36:46,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:36:47,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:36:47,424 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:36:47,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:36:47,774 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:36:47,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:47 WrapperNode [2024-11-13 16:36:47,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:36:47,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:36:47,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:36:47,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:36:47,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:47" (1/1) ... [2024-11-13 16:36:47,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:47" (1/1) ... [2024-11-13 16:36:47,856 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-13 16:36:47,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:36:47,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:36:47,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:36:47,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:36:47,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:47" (1/1) ... [2024-11-13 16:36:47,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:47" (1/1) ... [2024-11-13 16:36:47,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:47" (1/1) ... [2024-11-13 16:36:47,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:47" (1/1) ... [2024-11-13 16:36:47,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:47" (1/1) ... [2024-11-13 16:36:47,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:47" (1/1) ... [2024-11-13 16:36:47,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:47" (1/1) ... [2024-11-13 16:36:47,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:47" (1/1) ... [2024-11-13 16:36:47,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:36:47,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:36:47,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:36:47,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:36:47,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:47" (1/1) ... [2024-11-13 16:36:47,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:36:47,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:36:47,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:36:47,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:36:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:36:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:36:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:36:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:36:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:36:48,165 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:36:48,167 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:36:48,320 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 16:36:48,320 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:36:48,410 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:36:48,410 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:36:48,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:48 BoogieIcfgContainer [2024-11-13 16:36:48,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:36:48,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:36:48,412 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:36:48,423 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:36:48,423 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:48" (1/1) ... [2024-11-13 16:36:48,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:36:48,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:48,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 16:36:48,484 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 16:36:48,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:36:48,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:48,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:36:48,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:36:48,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:36:48,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:36:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:36:48,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:36:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:36:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:36:48,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:36:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:36:48,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:36:48,936 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:36:48,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:36:48 ImpRootNode [2024-11-13 16:36:48,967 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:36:48,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:36:48,969 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:36:48,969 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:36:48,971 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:48" (3/4) ... [2024-11-13 16:36:48,974 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:36:48,975 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:36:48,979 INFO L158 Benchmark]: Toolchain (without parser) took 2575.99ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 89.7MB in the beginning and 200.2MB in the end (delta: -110.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-13 16:36:48,979 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:36:48,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1372.68ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 67.6MB in the end (delta: 22.1MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-11-13 16:36:48,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.92ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 65.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:36:48,981 INFO L158 Benchmark]: Boogie Preprocessor took 50.99ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 63.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:36:48,981 INFO L158 Benchmark]: RCFGBuilder took 502.62ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 47.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:36:48,981 INFO L158 Benchmark]: CodeCheck took 555.81ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 47.4MB in the beginning and 200.9MB in the end (delta: -153.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:36:48,982 INFO L158 Benchmark]: Witness Printer took 6.65ms. Allocated memory is still 234.9MB. Free memory was 200.9MB in the beginning and 200.2MB in the end (delta: 701.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:36:48,988 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1570. 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 const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_predec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.58ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1372.68ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 67.6MB in the end (delta: 22.1MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.92ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 65.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.99ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 63.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 502.62ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 47.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 555.81ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 47.4MB in the beginning and 200.9MB in the end (delta: -153.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.65ms. Allocated memory is still 234.9MB. Free memory was 200.9MB in the beginning and 200.2MB in the end (delta: 701.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:36:49,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fde9680-ae0f-4de6-8a9a-27118aa21ecb/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