./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_45_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_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/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_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/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_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/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 baa5a643c93258b3103f7368da801fc66c9fbcdda90010c9be8d76c1a5cba9f4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:25:40,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:25:40,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:25:40,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:25:40,123 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:25:40,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:25:40,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:25:40,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:25:40,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:25:40,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:25:40,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:25:40,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:25:40,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:25:40,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:25:40,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:25:40,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:25:40,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:25:40,157 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:25:40,157 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:25:40,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:25:40,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:25:40,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:25:40,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:25:40,158 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:25:40,158 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:25:40,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:25:40,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:25:40,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:25:40,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:25:40,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:25:40,159 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:25:40,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:25:40,159 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_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/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 -> baa5a643c93258b3103f7368da801fc66c9fbcdda90010c9be8d76c1a5cba9f4 [2024-11-13 21:25:40,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:25:40,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:25:40,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:25:40,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:25:40,502 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:25:40,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_45_bad.i Unable to find full path for "g++" [2024-11-13 21:25:42,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:25:42,710 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:25:42,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_45_bad.i [2024-11-13 21:25:42,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/data/d2fec7378/1ccdae5b356240129bc5012d0d05ab4c/FLAG26cf95a22 [2024-11-13 21:25:42,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/data/d2fec7378/1ccdae5b356240129bc5012d0d05ab4c [2024-11-13 21:25:42,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:25:42,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:25:42,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:25:42,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:25:42,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:25:42,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:25:42" (1/1) ... [2024-11-13 21:25:42,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50bb2e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:42, skipping insertion in model container [2024-11-13 21:25:42,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:25:42" (1/1) ... [2024-11-13 21:25:42,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:25:43,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:25:43,619 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:25:43,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:25:43,830 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:25:43,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:43 WrapperNode [2024-11-13 21:25:43,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:25:43,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:25:43,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:25:43,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:25:43,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:43" (1/1) ... [2024-11-13 21:25:43,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:43" (1/1) ... [2024-11-13 21:25:43,874 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-13 21:25:43,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:25:43,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:25:43,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:25:43,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:25:43,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:43" (1/1) ... [2024-11-13 21:25:43,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:43" (1/1) ... [2024-11-13 21:25:43,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:43" (1/1) ... [2024-11-13 21:25:43,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:43" (1/1) ... [2024-11-13 21:25:43,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:43" (1/1) ... [2024-11-13 21:25:43,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:43" (1/1) ... [2024-11-13 21:25:43,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:43" (1/1) ... [2024-11-13 21:25:43,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:43" (1/1) ... [2024-11-13 21:25:43,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:25:43,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:25:43,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:25:43,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:25:43,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:43" (1/1) ... [2024-11-13 21:25:43,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:25:43,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:25:43,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:25:43,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:25:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:25:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:25:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:25:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:25:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:25:44,146 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:25:44,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:25:44,284 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 21:25:44,285 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:25:44,338 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:25:44,338 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:25:44,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:25:44 BoogieIcfgContainer [2024-11-13 21:25:44,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:25:44,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:25:44,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:25:44,349 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:25:44,349 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:25:44" (1/1) ... [2024-11-13 21:25:44,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:25:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:25:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:25:44,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:25:44,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:44,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:44,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:25:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:44,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:25:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:44,669 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:25:44,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:25:44 ImpRootNode [2024-11-13 21:25:44,697 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:25:44,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:25:44,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:25:44,698 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:25:44,702 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:25:44" (3/4) ... [2024-11-13 21:25:44,704 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:25:44,705 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:25:44,706 INFO L158 Benchmark]: Toolchain (without parser) took 1949.98ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 94.2MB in the end (delta: 20.9MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-13 21:25:44,707 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:25:44,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1074.26ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 57.1MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 21:25:44,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.67ms. Allocated memory is still 142.6MB. Free memory was 57.1MB in the beginning and 54.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:25:44,708 INFO L158 Benchmark]: Boogie Preprocessor took 17.28ms. Allocated memory is still 142.6MB. Free memory was 54.6MB in the beginning and 53.8MB in the end (delta: 805.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:25:44,708 INFO L158 Benchmark]: RCFGBuilder took 445.66ms. Allocated memory is still 142.6MB. Free memory was 53.8MB in the beginning and 109.0MB in the end (delta: -55.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 21:25:44,709 INFO L158 Benchmark]: CodeCheck took 357.84ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 95.0MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:25:44,712 INFO L158 Benchmark]: Witness Printer took 7.61ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 94.2MB in the end (delta: 781.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:25:44,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1556]: 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 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_fscanf_multiply_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1565] CWE191_Integer_Underflow__int_fscanf_multiply_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fscanf_multiply_45_badData; VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1074.26ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 57.1MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.67ms. Allocated memory is still 142.6MB. Free memory was 57.1MB in the beginning and 54.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.28ms. Allocated memory is still 142.6MB. Free memory was 54.6MB in the beginning and 53.8MB in the end (delta: 805.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 445.66ms. Allocated memory is still 142.6MB. Free memory was 53.8MB in the beginning and 109.0MB in the end (delta: -55.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 357.84ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 95.0MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.61ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 94.2MB in the end (delta: 781.2kB). 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 21:25:44,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/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_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/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_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/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_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/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 baa5a643c93258b3103f7368da801fc66c9fbcdda90010c9be8d76c1a5cba9f4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:25:47,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:25:47,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:25:47,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:25:47,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:25:47,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:25:47,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:25:47,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:25:47,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:25:47,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:25:47,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:25:47,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:25:47,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:25:47,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:25:47,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:25:47,497 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:25:47,497 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:25:47,498 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:25:47,498 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:25:47,498 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:25:47,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:25:47,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:25:47,499 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:25:47,499 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:25:47,499 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:25:47,499 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:25:47,499 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:25:47,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:25:47,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:25:47,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:25:47,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:25:47,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:25:47,500 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:25:47,500 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:25:47,500 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:25:47,500 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_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/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 -> baa5a643c93258b3103f7368da801fc66c9fbcdda90010c9be8d76c1a5cba9f4 [2024-11-13 21:25:47,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:25:47,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:25:47,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:25:47,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:25:47,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:25:47,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_45_bad.i Unable to find full path for "g++" [2024-11-13 21:25:49,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:25:50,243 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:25:50,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_45_bad.i [2024-11-13 21:25:50,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/data/f3dcf233e/eb1379ce85c0439c86319bc7030224ee/FLAG236341d61 [2024-11-13 21:25:50,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/data/f3dcf233e/eb1379ce85c0439c86319bc7030224ee [2024-11-13 21:25:50,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:25:50,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:25:50,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:25:50,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:25:50,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:25:50,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:25:50" (1/1) ... [2024-11-13 21:25:50,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31805c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:50, skipping insertion in model container [2024-11-13 21:25:50,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:25:50" (1/1) ... [2024-11-13 21:25:50,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:25:51,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:25:51,218 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:25:51,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:25:51,487 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:25:51,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:51 WrapperNode [2024-11-13 21:25:51,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:25:51,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:25:51,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:25:51,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:25:51,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:51" (1/1) ... [2024-11-13 21:25:51,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:51" (1/1) ... [2024-11-13 21:25:51,536 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-13 21:25:51,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:25:51,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:25:51,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:25:51,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:25:51,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:51" (1/1) ... [2024-11-13 21:25:51,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:51" (1/1) ... [2024-11-13 21:25:51,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:51" (1/1) ... [2024-11-13 21:25:51,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:51" (1/1) ... [2024-11-13 21:25:51,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:51" (1/1) ... [2024-11-13 21:25:51,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:51" (1/1) ... [2024-11-13 21:25:51,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:51" (1/1) ... [2024-11-13 21:25:51,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:51" (1/1) ... [2024-11-13 21:25:51,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:25:51,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:25:51,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:25:51,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:25:51,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:51" (1/1) ... [2024-11-13 21:25:51,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:25:51,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:25:51,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:25:51,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:25:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:25:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:25:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:25:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:25:51,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:25:51,772 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:25:51,773 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:25:51,897 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 21:25:51,897 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:25:51,938 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:25:51,938 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:25:51,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:25:51 BoogieIcfgContainer [2024-11-13 21:25:51,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:25:51,939 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:25:51,940 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:25:51,950 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:25:51,950 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:25:51" (1/1) ... [2024-11-13 21:25:51,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:25:51,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:52,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:25:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:25:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:25:52,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:52,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:25:52,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:25:52,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:25:52,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:25:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:52,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:25:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:52,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:25:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:52,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:25:52,357 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:25:52,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:25:52 ImpRootNode [2024-11-13 21:25:52,418 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:25:52,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:25:52,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:25:52,420 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:25:52,421 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:25:51" (3/4) ... [2024-11-13 21:25:52,424 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:25:52,425 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:25:52,428 INFO L158 Benchmark]: Toolchain (without parser) took 2121.65ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 89.0MB in the beginning and 220.8MB in the end (delta: -131.8MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-11-13 21:25:52,428 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:25:52,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1181.32ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 69.4MB in the end (delta: 19.6MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2024-11-13 21:25:52,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.83ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 66.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:25:52,429 INFO L158 Benchmark]: Boogie Preprocessor took 24.62ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 64.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:25:52,430 INFO L158 Benchmark]: RCFGBuilder took 376.49ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 50.3MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:25:52,431 INFO L158 Benchmark]: CodeCheck took 479.00ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 49.8MB in the beginning and 221.5MB in the end (delta: -171.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-11-13 21:25:52,432 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 251.7MB. Free memory was 220.9MB in the beginning and 220.8MB in the end (delta: 58.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:25:52,434 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1556]: 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 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_fscanf_multiply_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1565] CWE191_Integer_Underflow__int_fscanf_multiply_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fscanf_multiply_45_badData; VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, 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 0.49ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1181.32ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 69.4MB in the end (delta: 19.6MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.83ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 66.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.62ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 64.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 376.49ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 50.3MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 479.00ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 49.8MB in the beginning and 221.5MB in the end (delta: -171.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 251.7MB. Free memory was 220.9MB in the beginning and 220.8MB in the end (delta: 58.7kB). 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 21:25:52,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d4b1f7-d42a-44cd-9dfc-ac42eb479bdb/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