./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_53_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_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/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_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/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_54995e64-8fd2-4056-a046-0f2a2d2a32a3/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 a54f56debcf26cf0ada36f0c460e82635ae78e08acb287b90fa4cd9a323ea5f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:27:56,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:27:56,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:27:56,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:27:56,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:27:56,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:27:56,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:27:56,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:27:56,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:27:56,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:27:56,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:27:56,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:27:56,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:27:56,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:27:56,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:27:56,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:27:56,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:27:56,684 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:27:56,684 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:27:56,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:27:56,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:27:56,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:27:56,685 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:27:56,685 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:27:56,685 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:27:56,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:27:56,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:56,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:27:56,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:27:56,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:27:56,686 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:27:56,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:27:56,686 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_54995e64-8fd2-4056-a046-0f2a2d2a32a3/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 -> a54f56debcf26cf0ada36f0c460e82635ae78e08acb287b90fa4cd9a323ea5f5 [2024-11-13 21:27:57,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:27:57,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:27:57,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:27:57,052 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:27:57,053 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:27:57,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_53_bad.i Unable to find full path for "g++" [2024-11-13 21:27:59,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:27:59,558 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:27:59,562 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_53_bad.i [2024-11-13 21:27:59,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/data/698601de3/892876a182cf48a7af57e25c4dacfa77/FLAG62b7ec748 [2024-11-13 21:27:59,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/data/698601de3/892876a182cf48a7af57e25c4dacfa77 [2024-11-13 21:27:59,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:27:59,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:27:59,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:59,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:27:59,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:27:59,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:59" (1/1) ... [2024-11-13 21:27:59,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@234cab3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:59, skipping insertion in model container [2024-11-13 21:27:59,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:59" (1/1) ... [2024-11-13 21:27:59,704 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:28:00,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:28:00,561 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:28:00,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:28:00,859 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:28:00,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:00 WrapperNode [2024-11-13 21:28:00,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:28:00,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:28:00,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:28:00,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:28:00,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:00" (1/1) ... [2024-11-13 21:28:00,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:00" (1/1) ... [2024-11-13 21:28:00,934 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 51 [2024-11-13 21:28:00,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:28:00,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:28:00,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:28:00,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:28:00,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:00" (1/1) ... [2024-11-13 21:28:00,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:00" (1/1) ... [2024-11-13 21:28:00,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:00" (1/1) ... [2024-11-13 21:28:00,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:00" (1/1) ... [2024-11-13 21:28:00,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:00" (1/1) ... [2024-11-13 21:28:00,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:00" (1/1) ... [2024-11-13 21:28:00,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:00" (1/1) ... [2024-11-13 21:28:00,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:00" (1/1) ... [2024-11-13 21:28:00,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:28:00,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:28:00,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:28:00,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:28:00,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:00" (1/1) ... [2024-11-13 21:28:00,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:28:01,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:28:01,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:28:01,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:28:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:28:01,049 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:28:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:28:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:28:01,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:28:01,224 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:28:01,228 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:28:01,335 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 21:28:01,335 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:28:01,372 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:28:01,372 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:28:01,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:01 BoogieIcfgContainer [2024-11-13 21:28:01,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:28:01,373 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:28:01,373 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:28:01,381 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:28:01,382 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:01" (1/1) ... [2024-11-13 21:28:01,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:28:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:01,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:28:01,437 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:28:01,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:28:01,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:01,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:01,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:28:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:01,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:28:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:01,705 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:28:01,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:28:01 ImpRootNode [2024-11-13 21:28:01,741 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:28:01,742 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:28:01,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:28:01,745 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:28:01,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:01" (3/4) ... [2024-11-13 21:28:01,750 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:28:01,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:28:01,753 INFO L158 Benchmark]: Toolchain (without parser) took 2121.35ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 47.3MB in the end (delta: 42.1MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-11-13 21:28:01,753 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:01,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1227.23ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 79.1MB in the end (delta: 10.0MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-13 21:28:01,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.62ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 76.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:01,754 INFO L158 Benchmark]: Boogie Preprocessor took 40.81ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 75.6MB in the end (delta: 578.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:01,755 INFO L158 Benchmark]: RCFGBuilder took 395.70ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 61.8MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:28:01,755 INFO L158 Benchmark]: CodeCheck took 368.62ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 47.9MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:28:01,758 INFO L158 Benchmark]: Witness Printer took 9.42ms. Allocated memory is still 117.4MB. Free memory was 47.9MB in the beginning and 47.3MB in the end (delta: 578.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:01,761 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_53_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_53d_badSink(data) [L1577] --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 0.31ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1227.23ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 79.1MB in the end (delta: 10.0MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.62ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 76.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.81ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 75.6MB in the end (delta: 578.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 395.70ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 61.8MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 368.62ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 47.9MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 9.42ms. Allocated memory is still 117.4MB. Free memory was 47.9MB in the beginning and 47.3MB in the end (delta: 578.8kB). 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 21:28:01,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/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_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/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_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/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_54995e64-8fd2-4056-a046-0f2a2d2a32a3/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 a54f56debcf26cf0ada36f0c460e82635ae78e08acb287b90fa4cd9a323ea5f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:28:04,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:28:04,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:28:04,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:28:04,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:28:04,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:28:04,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:28:04,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:28:04,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:28:04,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:28:04,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:28:04,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:28:04,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:28:04,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:28:04,544 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:28:04,544 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:28:04,544 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:28:04,544 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:28:04,545 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:28:04,545 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:28:04,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:28:04,545 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:28:04,545 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:28:04,545 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:28:04,545 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:28:04,545 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:04,545 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:28:04,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:28:04,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:28:04,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:28:04,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:28:04,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:28:04,546 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:28:04,546 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:04,546 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:28:04,546 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_54995e64-8fd2-4056-a046-0f2a2d2a32a3/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 -> a54f56debcf26cf0ada36f0c460e82635ae78e08acb287b90fa4cd9a323ea5f5 [2024-11-13 21:28:04,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:28:04,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:28:04,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:28:04,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:28:04,878 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:28:04,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_53_bad.i Unable to find full path for "g++" [2024-11-13 21:28:06,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:28:07,181 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:28:07,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_53_bad.i [2024-11-13 21:28:07,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/data/2a5cfd8c5/2bd5dcf3b7db4d518cd16e1de18823b2/FLAG698f64fbc [2024-11-13 21:28:07,240 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/data/2a5cfd8c5/2bd5dcf3b7db4d518cd16e1de18823b2 [2024-11-13 21:28:07,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:28:07,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:28:07,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:28:07,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:28:07,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:28:07,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:28:07" (1/1) ... [2024-11-13 21:28:07,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cea270a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:07, skipping insertion in model container [2024-11-13 21:28:07,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:28:07" (1/1) ... [2024-11-13 21:28:07,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:28:08,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:28:08,262 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:28:08,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:28:08,539 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:28:08,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:08 WrapperNode [2024-11-13 21:28:08,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:28:08,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:28:08,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:28:08,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:28:08,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:08" (1/1) ... [2024-11-13 21:28:08,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:08" (1/1) ... [2024-11-13 21:28:08,591 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 50 [2024-11-13 21:28:08,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:28:08,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:28:08,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:28:08,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:28:08,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:08" (1/1) ... [2024-11-13 21:28:08,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:08" (1/1) ... [2024-11-13 21:28:08,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:08" (1/1) ... [2024-11-13 21:28:08,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:08" (1/1) ... [2024-11-13 21:28:08,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:08" (1/1) ... [2024-11-13 21:28:08,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:08" (1/1) ... [2024-11-13 21:28:08,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:08" (1/1) ... [2024-11-13 21:28:08,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:08" (1/1) ... [2024-11-13 21:28:08,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:28:08,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:28:08,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:28:08,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:28:08,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:08" (1/1) ... [2024-11-13 21:28:08,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:28:08,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:28:08,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:28:08,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:28:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:28:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:28:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:28:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:28:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:28:08,841 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:28:08,843 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:28:08,994 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 21:28:08,994 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:28:09,037 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:28:09,037 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:28:09,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:09 BoogieIcfgContainer [2024-11-13 21:28:09,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:28:09,039 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:28:09,039 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:28:09,049 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:28:09,049 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:09" (1/1) ... [2024-11-13 21:28:09,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:28:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:28:09,119 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:28:09,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:28:09,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:09,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:09,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:09,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:09,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:28:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:09,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:28:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:09,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:28:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:09,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:28:09,496 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:28:09,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:28:09 ImpRootNode [2024-11-13 21:28:09,530 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:28:09,531 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:28:09,532 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:28:09,532 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:28:09,534 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:09" (3/4) ... [2024-11-13 21:28:09,537 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:28:09,538 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:28:09,541 INFO L158 Benchmark]: Toolchain (without parser) took 2294.33ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 42.0MB in the end (delta: 15.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-11-13 21:28:09,542 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:09,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1294.44ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.7MB in the end (delta: 5.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 21:28:09,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.65ms. Allocated memory is still 83.9MB. Free memory was 51.7MB in the beginning and 49.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:09,547 INFO L158 Benchmark]: Boogie Preprocessor took 36.11ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:09,548 INFO L158 Benchmark]: RCFGBuilder took 409.15ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 31.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:28:09,548 INFO L158 Benchmark]: CodeCheck took 492.09ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 42.5MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:09,548 INFO L158 Benchmark]: Witness Printer took 6.55ms. Allocated memory is still 83.9MB. Free memory was 42.5MB in the beginning and 42.0MB in the end (delta: 437.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:09,553 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_53_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_53d_badSink(data) [L1577] --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 0.37ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1294.44ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.7MB in the end (delta: 5.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.65ms. Allocated memory is still 83.9MB. Free memory was 51.7MB in the beginning and 49.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.11ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 409.15ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 31.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 492.09ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 42.5MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.55ms. Allocated memory is still 83.9MB. Free memory was 42.5MB in the beginning and 42.0MB in the end (delta: 437.8kB). 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 21:28:09,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54995e64-8fd2-4056-a046-0f2a2d2a32a3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample