./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_01_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_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/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_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/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_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/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 3309e44f23d49754e728b1f66d70c06fad732fdba11503df3369de99d08907e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:39:35,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:39:35,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:39:35,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:39:35,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:39:35,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:39:35,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:39:35,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:39:35,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:39:35,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:39:35,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:39:35,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:39:35,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:39:35,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:39:35,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:39:35,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:39:35,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:39:35,810 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:39:35,810 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:39:35,810 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:39:35,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:39:35,810 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:39:35,810 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:39:35,810 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:39:35,810 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:39:35,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:39:35,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:39:35,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:39:35,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:39:35,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:39:35,811 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:39:35,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:39:35,811 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_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/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 -> 3309e44f23d49754e728b1f66d70c06fad732fdba11503df3369de99d08907e6 [2024-11-13 22:39:36,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:39:36,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:39:36,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:39:36,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:39:36,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:39:36,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_01_bad.i Unable to find full path for "g++" [2024-11-13 22:39:37,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:39:38,355 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:39:38,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_01_bad.i [2024-11-13 22:39:38,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/data/93ea08085/be84b29bd67a4d5d99f8f498f826febf/FLAGeef9a03f0 [2024-11-13 22:39:38,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/data/93ea08085/be84b29bd67a4d5d99f8f498f826febf [2024-11-13 22:39:38,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:39:38,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:39:38,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:39:38,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:39:38,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:39:38,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:39:38" (1/1) ... [2024-11-13 22:39:38,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ecc3550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:38, skipping insertion in model container [2024-11-13 22:39:38,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:39:38" (1/1) ... [2024-11-13 22:39:38,496 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:39:39,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:39:39,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:39:39,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:39:39,763 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:39:39,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:39 WrapperNode [2024-11-13 22:39:39,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:39:39,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:39:39,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:39:39,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:39:39,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:39" (1/1) ... [2024-11-13 22:39:39,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:39" (1/1) ... [2024-11-13 22:39:39,825 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-13 22:39:39,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:39:39,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:39:39,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:39:39,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:39:39,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:39" (1/1) ... [2024-11-13 22:39:39,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:39" (1/1) ... [2024-11-13 22:39:39,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:39" (1/1) ... [2024-11-13 22:39:39,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:39" (1/1) ... [2024-11-13 22:39:39,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:39" (1/1) ... [2024-11-13 22:39:39,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:39" (1/1) ... [2024-11-13 22:39:39,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:39" (1/1) ... [2024-11-13 22:39:39,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:39" (1/1) ... [2024-11-13 22:39:39,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:39:39,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:39:39,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:39:39,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:39:39,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:39" (1/1) ... [2024-11-13 22:39:39,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:39:39,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:39:39,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:39:39,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:39:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:39:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:39:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:39:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:39:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:39:40,087 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:39:40,088 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:39:40,172 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:39:40,172 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:39:40,208 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:39:40,208 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:39:40,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:39:40 BoogieIcfgContainer [2024-11-13 22:39:40,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:39:40,209 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:39:40,209 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:39:40,218 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:39:40,219 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:39:40" (1/1) ... [2024-11-13 22:39:40,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:39:40,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:39:40,276 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:39:40,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:39:40,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:40,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:39:40,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:39:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:39:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:39:40,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:39:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:39:40,518 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:39:40,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:39:40 ImpRootNode [2024-11-13 22:39:40,555 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:39:40,556 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:39:40,556 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:39:40,558 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:39:40,559 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:39:40" (3/4) ... [2024-11-13 22:39:40,561 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:39:40,562 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:39:40,563 INFO L158 Benchmark]: Toolchain (without parser) took 2154.08ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 77.3MB in the end (delta: 38.7MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-13 22:39:40,563 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:39:40,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1353.11ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 107.7MB in the end (delta: 8.3MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 22:39:40,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.42ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 105.1MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:39:40,567 INFO L158 Benchmark]: Boogie Preprocessor took 18.03ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.5MB in the end (delta: 616.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:39:40,567 INFO L158 Benchmark]: RCFGBuilder took 363.73ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 91.0MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:39:40,568 INFO L158 Benchmark]: CodeCheck took 346.19ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 77.9MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:39:40,568 INFO L158 Benchmark]: Witness Printer took 6.45ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 77.3MB in the end (delta: 614.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:39:40,574 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: 1554]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_predec_01_bad() [L1550] int data; [L1551] data = 0 [L1554] --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 1.55ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1353.11ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 107.7MB in the end (delta: 8.3MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.42ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 105.1MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.03ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.5MB in the end (delta: 616.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 363.73ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 91.0MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 346.19ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 77.9MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.45ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 77.3MB in the end (delta: 614.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:39:40,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/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 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_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/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_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/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_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/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 3309e44f23d49754e728b1f66d70c06fad732fdba11503df3369de99d08907e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:39:43,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:39:43,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:39:43,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:39:43,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:39:43,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:39:43,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:39:43,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:39:43,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:39:43,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:39:43,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:39:43,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:39:43,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:39:43,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:39:43,337 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:39:43,337 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:39:43,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:39:43,337 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:39:43,337 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:39:43,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:39:43,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:39:43,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:39:43,338 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:39:43,338 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:39:43,338 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:39:43,338 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:39:43,338 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:39:43,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:39:43,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:39:43,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:39:43,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:39:43,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:39:43,339 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:39:43,339 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:39:43,339 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:39:43,339 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_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/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 -> 3309e44f23d49754e728b1f66d70c06fad732fdba11503df3369de99d08907e6 [2024-11-13 22:39:43,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:39:43,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:39:43,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:39:43,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:39:43,741 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:39:43,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_01_bad.i Unable to find full path for "g++" [2024-11-13 22:39:46,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:39:46,425 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:39:46,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_01_bad.i [2024-11-13 22:39:46,473 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/data/48b12c47e/19f7debaeb384014bc878dd02549b31f/FLAG028b0f770 [2024-11-13 22:39:46,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/data/48b12c47e/19f7debaeb384014bc878dd02549b31f [2024-11-13 22:39:46,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:39:46,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:39:46,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:39:46,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:39:46,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:39:46,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:39:46" (1/1) ... [2024-11-13 22:39:46,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30117c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:46, skipping insertion in model container [2024-11-13 22:39:46,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:39:46" (1/1) ... [2024-11-13 22:39:46,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:39:47,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:39:47,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:39:47,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:39:48,245 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:39:48,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:48 WrapperNode [2024-11-13 22:39:48,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:39:48,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:39:48,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:39:48,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:39:48,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:48" (1/1) ... [2024-11-13 22:39:48,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:48" (1/1) ... [2024-11-13 22:39:48,340 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-13 22:39:48,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:39:48,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:39:48,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:39:48,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:39:48,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:48" (1/1) ... [2024-11-13 22:39:48,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:48" (1/1) ... [2024-11-13 22:39:48,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:48" (1/1) ... [2024-11-13 22:39:48,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:48" (1/1) ... [2024-11-13 22:39:48,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:48" (1/1) ... [2024-11-13 22:39:48,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:48" (1/1) ... [2024-11-13 22:39:48,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:48" (1/1) ... [2024-11-13 22:39:48,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:48" (1/1) ... [2024-11-13 22:39:48,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:39:48,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:39:48,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:39:48,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:39:48,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:48" (1/1) ... [2024-11-13 22:39:48,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:39:48,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:39:48,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:39:48,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:39:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:39:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:39:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:39:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:39:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:39:48,744 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:39:48,747 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:39:48,894 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 22:39:48,894 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:39:48,961 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:39:48,961 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:39:48,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:39:48 BoogieIcfgContainer [2024-11-13 22:39:48,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:39:48,963 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:39:48,964 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:39:48,974 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:39:48,974 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:39:48" (1/1) ... [2024-11-13 22:39:48,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:39:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:49,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:39:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:39:49,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:39:49,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:49,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:39:49,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:39:49,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:39:49,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:39:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:39:49,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:39:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:39:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:39:49,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:39:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:39:49,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:39:49,399 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:39:49,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:39:49 ImpRootNode [2024-11-13 22:39:49,428 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:39:49,428 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:39:49,429 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:39:49,429 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:39:49,430 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:39:48" (3/4) ... [2024-11-13 22:39:49,433 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:39:49,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:39:49,435 INFO L158 Benchmark]: Toolchain (without parser) took 2928.00ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 43.7MB in the end (delta: 13.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-13 22:39:49,435 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:39:49,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1738.19ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 51.2MB in the end (delta: 6.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 22:39:49,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.23ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:39:49,436 INFO L158 Benchmark]: Boogie Preprocessor took 61.78ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 46.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:39:49,437 INFO L158 Benchmark]: RCFGBuilder took 559.49ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 32.4MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:39:49,437 INFO L158 Benchmark]: CodeCheck took 464.25ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 43.7MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:39:49,438 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 83.9MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:39:49,440 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: 1554]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_predec_01_bad() [L1550] int data; [L1551] data = 0 [L1554] --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 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1738.19ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 51.2MB in the end (delta: 6.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.23ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.78ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 46.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 559.49ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 32.4MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 464.25ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 43.7MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 83.9MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:39:49,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b186ccf-3dd5-4ce4-a635-d225e6f72c50/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