./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_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_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/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_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/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_bedfcce7-2740-4143-a545-c7f5db4920b1/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 22aabbf10f706c796f6feda69c40a8b4366b69ad3deb96ca16c891f111dbd339 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:48:54,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:48:54,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:48:54,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:48:54,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:48:54,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:48:54,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:48:54,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:48:54,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:48:54,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:48:54,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:48:54,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:48:54,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:48:54,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:48:54,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:48:54,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:48:54,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:48:54,387 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:48:54,387 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:48:54,387 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:48:54,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:48:54,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:48:54,388 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:48:54,389 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:48:54,390 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:48:54,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:48:54,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:48:54,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:48:54,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:48:54,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:48:54,390 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:48:54,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:48:54,390 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_bedfcce7-2740-4143-a545-c7f5db4920b1/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 -> 22aabbf10f706c796f6feda69c40a8b4366b69ad3deb96ca16c891f111dbd339 [2024-11-13 21:48:54,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:48:54,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:48:54,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:48:54,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:48:54,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:48:54,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_bad.i Unable to find full path for "g++" [2024-11-13 21:48:56,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:48:57,112 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:48:57,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_bad.i [2024-11-13 21:48:57,140 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/data/b35975353/2a1b003687724fd29743d61dd727c4bb/FLAG8a12bab77 [2024-11-13 21:48:57,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/data/b35975353/2a1b003687724fd29743d61dd727c4bb [2024-11-13 21:48:57,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:48:57,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:48:57,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:48:57,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:48:57,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:48:57,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:48:57" (1/1) ... [2024-11-13 21:48:57,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b227219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:57, skipping insertion in model container [2024-11-13 21:48:57,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:48:57" (1/1) ... [2024-11-13 21:48:57,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:48:58,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:48:58,219 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:48:58,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:48:58,523 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:48:58,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:58 WrapperNode [2024-11-13 21:48:58,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:48:58,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:48:58,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:48:58,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:48:58,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:58" (1/1) ... [2024-11-13 21:48:58,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:58" (1/1) ... [2024-11-13 21:48:58,596 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-11-13 21:48:58,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:48:58,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:48:58,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:48:58,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:48:58,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:58" (1/1) ... [2024-11-13 21:48:58,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:58" (1/1) ... [2024-11-13 21:48:58,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:58" (1/1) ... [2024-11-13 21:48:58,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:58" (1/1) ... [2024-11-13 21:48:58,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:58" (1/1) ... [2024-11-13 21:48:58,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:58" (1/1) ... [2024-11-13 21:48:58,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:58" (1/1) ... [2024-11-13 21:48:58,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:58" (1/1) ... [2024-11-13 21:48:58,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:48:58,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:48:58,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:48:58,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:48:58,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:58" (1/1) ... [2024-11-13 21:48:58,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:48:58,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:48:58,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:48:58,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:48:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:48:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:48:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:48:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:48:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:48:58,877 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:48:58,879 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:48:59,012 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 21:48:59,012 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:48:59,074 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:48:59,075 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:48:59,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:48:59 BoogieIcfgContainer [2024-11-13 21:48:59,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:48:59,077 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:48:59,077 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:48:59,087 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:48:59,087 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:48:59" (1/1) ... [2024-11-13 21:48:59,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:48:59,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:59,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:48:59,160 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:48:59,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:48:59,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:59,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:48:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:48:59,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:48:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:48:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:48:59,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:48:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:48:59,389 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:48:59,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:48:59 ImpRootNode [2024-11-13 21:48:59,426 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:48:59,427 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:48:59,427 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:48:59,428 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:48:59,429 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:48:59" (3/4) ... [2024-11-13 21:48:59,431 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:48:59,432 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:48:59,433 INFO L158 Benchmark]: Toolchain (without parser) took 2198.62ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 49.7MB in the end (delta: 39.8MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-13 21:48:59,434 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:48:59,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1290.06ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 80.8MB in the end (delta: 8.4MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 21:48:59,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.00ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 78.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:48:59,437 INFO L158 Benchmark]: Boogie Preprocessor took 32.49ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:48:59,437 INFO L158 Benchmark]: RCFGBuilder took 439.90ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 63.5MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:48:59,438 INFO L158 Benchmark]: CodeCheck took 349.09ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 50.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:48:59,438 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 117.4MB. Free memory was 50.3MB in the beginning and 49.7MB in the end (delta: 581.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:48:59,443 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fscanf_predec_61b_badSource(data) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fscanf_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fscanf_predec_61b_badSource(data) [L1555] --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 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1290.06ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 80.8MB in the end (delta: 8.4MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.00ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 78.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.49ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 439.90ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 63.5MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 349.09ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 50.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 117.4MB. Free memory was 50.3MB in the beginning and 49.7MB in the end (delta: 581.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:48:59,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/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_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/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_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/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_bedfcce7-2740-4143-a545-c7f5db4920b1/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 22aabbf10f706c796f6feda69c40a8b4366b69ad3deb96ca16c891f111dbd339 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:49:02,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:49:02,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:49:02,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:49:02,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:49:02,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:49:02,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:49:02,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:49:02,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:49:02,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:49:02,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:49:02,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:49:02,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:49:02,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:49:02,526 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:49:02,526 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:49:02,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:49:02,526 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:49:02,526 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:49:02,526 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:49:02,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:49:02,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:49:02,527 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:49:02,527 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:49:02,527 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:49:02,527 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:02,527 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:49:02,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:49:02,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:02,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:49:02,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:49:02,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:49:02,528 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:49:02,529 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:02,529 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:49:02,529 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_bedfcce7-2740-4143-a545-c7f5db4920b1/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 -> 22aabbf10f706c796f6feda69c40a8b4366b69ad3deb96ca16c891f111dbd339 [2024-11-13 21:49:02,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:49:02,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:49:02,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:49:02,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:49:02,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:49:02,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_bad.i Unable to find full path for "g++" [2024-11-13 21:49:04,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:49:05,261 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:49:05,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_bad.i [2024-11-13 21:49:05,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/data/f1b2fe2e3/c077d8a688104e7e8686f21b9b5dc28e/FLAG1caccbd95 [2024-11-13 21:49:05,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/data/f1b2fe2e3/c077d8a688104e7e8686f21b9b5dc28e [2024-11-13 21:49:05,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:49:05,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:49:05,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:49:05,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:49:05,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:49:05,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:49:05" (1/1) ... [2024-11-13 21:49:05,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffdbd3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:05, skipping insertion in model container [2024-11-13 21:49:05,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:49:05" (1/1) ... [2024-11-13 21:49:05,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:49:06,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:49:06,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:49:06,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:49:06,787 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:49:06,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:06 WrapperNode [2024-11-13 21:49:06,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:49:06,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:49:06,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:49:06,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:49:06,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:06" (1/1) ... [2024-11-13 21:49:06,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:06" (1/1) ... [2024-11-13 21:49:06,860 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-13 21:49:06,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:49:06,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:49:06,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:49:06,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:49:06,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:06" (1/1) ... [2024-11-13 21:49:06,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:06" (1/1) ... [2024-11-13 21:49:06,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:06" (1/1) ... [2024-11-13 21:49:06,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:06" (1/1) ... [2024-11-13 21:49:06,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:06" (1/1) ... [2024-11-13 21:49:06,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:06" (1/1) ... [2024-11-13 21:49:06,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:06" (1/1) ... [2024-11-13 21:49:06,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:06" (1/1) ... [2024-11-13 21:49:06,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:49:06,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:49:06,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:49:06,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:49:06,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:06" (1/1) ... [2024-11-13 21:49:06,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:06,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:49:06,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:49:06,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:49:06,983 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:49:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:49:06,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:49:06,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:49:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:49:07,139 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:49:07,141 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:49:07,287 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 21:49:07,287 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:49:07,365 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:49:07,365 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:49:07,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:07 BoogieIcfgContainer [2024-11-13 21:49:07,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:49:07,367 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:49:07,367 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:49:07,379 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:49:07,380 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:07" (1/1) ... [2024-11-13 21:49:07,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:49:07,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:49:07,458 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:49:07,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:49:07,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:07,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:07,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:49:07,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:49:07,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:49:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:07,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:49:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:07,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:49:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:07,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:49:07,793 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:49:07,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:49:07 ImpRootNode [2024-11-13 21:49:07,819 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:49:07,820 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:49:07,820 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:49:07,821 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:49:07,821 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:07" (3/4) ... [2024-11-13 21:49:07,824 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:49:07,825 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:49:07,826 INFO L158 Benchmark]: Toolchain (without parser) took 2509.68ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 57.5MB in the beginning and 60.0MB in the end (delta: -2.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-13 21:49:07,826 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:07,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1469.94ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 57.3MB in the beginning and 61.4MB in the end (delta: -4.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-11-13 21:49:07,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.98ms. Allocated memory is still 100.7MB. Free memory was 61.4MB in the beginning and 58.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:07,828 INFO L158 Benchmark]: Boogie Preprocessor took 46.86ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 57.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:07,828 INFO L158 Benchmark]: RCFGBuilder took 457.81ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 41.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:49:07,829 INFO L158 Benchmark]: CodeCheck took 452.62ms. Allocated memory is still 100.7MB. Free memory was 41.8MB in the beginning and 60.6MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:07,829 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 100.7MB. Free memory was 60.1MB in the beginning and 60.0MB in the end (delta: 15.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:07,831 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fscanf_predec_61b_badSource(data) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fscanf_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fscanf_predec_61b_badSource(data) [L1555] --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 0.46ms. Allocated memory is still 83.9MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1469.94ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 57.3MB in the beginning and 61.4MB in the end (delta: -4.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.98ms. Allocated memory is still 100.7MB. Free memory was 61.4MB in the beginning and 58.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.86ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 57.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.81ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 41.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 452.62ms. Allocated memory is still 100.7MB. Free memory was 41.8MB in the beginning and 60.6MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 100.7MB. Free memory was 60.1MB in the beginning and 60.0MB in the end (delta: 15.4kB). 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 21:49:07,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedfcce7-2740-4143-a545-c7f5db4920b1/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