./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_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_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/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_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/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_1ec6e16d-930f-4d15-b852-937e88637e23/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 6cc8c7a8f353df873f3a0acbb623488539232f8eb7d059b435f22b5708486efb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:24:10,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:24:10,142 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:24:10,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:24:10,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:24:10,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:24:10,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:24:10,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:24:10,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:24:10,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:24:10,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:24:10,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:24:10,175 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:24:10,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:24:10,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:24:10,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:24:10,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:24:10,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:24:10,176 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:24:10,176 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:24:10,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:24:10,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:24:10,177 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:24:10,177 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:24:10,177 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:24:10,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:24:10,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:24:10,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:24:10,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:24:10,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:24:10,178 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:24:10,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:24:10,178 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_1ec6e16d-930f-4d15-b852-937e88637e23/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 -> 6cc8c7a8f353df873f3a0acbb623488539232f8eb7d059b435f22b5708486efb [2024-11-13 23:24:10,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:24:10,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:24:10,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:24:10,520 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:24:10,520 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:24:10,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_bad.i Unable to find full path for "g++" [2024-11-13 23:24:12,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:24:12,962 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:24:12,963 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_bad.i [2024-11-13 23:24:13,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/data/26da0b73a/2870b407329d4bed9a14635864583193/FLAG9a49508bd [2024-11-13 23:24:13,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/data/26da0b73a/2870b407329d4bed9a14635864583193 [2024-11-13 23:24:13,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:24:13,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:24:13,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:24:13,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:24:13,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:24:13,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:24:13" (1/1) ... [2024-11-13 23:24:13,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d8bfcc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:13, skipping insertion in model container [2024-11-13 23:24:13,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:24:13" (1/1) ... [2024-11-13 23:24:13,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:24:14,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:24:14,068 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:24:14,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:24:14,316 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:24:14,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:14 WrapperNode [2024-11-13 23:24:14,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:24:14,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:24:14,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:24:14,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:24:14,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:14" (1/1) ... [2024-11-13 23:24:14,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:14" (1/1) ... [2024-11-13 23:24:14,367 INFO L138 Inliner]: procedures = 498, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-11-13 23:24:14,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:24:14,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:24:14,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:24:14,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:24:14,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:14" (1/1) ... [2024-11-13 23:24:14,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:14" (1/1) ... [2024-11-13 23:24:14,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:14" (1/1) ... [2024-11-13 23:24:14,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:14" (1/1) ... [2024-11-13 23:24:14,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:14" (1/1) ... [2024-11-13 23:24:14,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:14" (1/1) ... [2024-11-13 23:24:14,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:14" (1/1) ... [2024-11-13 23:24:14,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:14" (1/1) ... [2024-11-13 23:24:14,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:24:14,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:24:14,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:24:14,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:24:14,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:14" (1/1) ... [2024-11-13 23:24:14,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:24:14,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:24:14,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:24:14,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:24:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:24:14,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:24:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:24:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:24:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:24:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:24:14,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:24:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:24:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:24:14,647 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:24:14,649 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:24:14,812 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 23:24:14,812 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:24:14,859 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:24:14,860 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:24:14,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:24:14 BoogieIcfgContainer [2024-11-13 23:24:14,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:24:14,866 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:24:14,866 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:24:14,875 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:24:14,875 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:24:14" (1/1) ... [2024-11-13 23:24:14,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:24:14,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:14,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:24:14,942 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:24:14,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:24:14,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:14,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:24:15,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:24:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:24:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:24:15,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:24:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:24:15,255 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:24:15,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:24:15 ImpRootNode [2024-11-13 23:24:15,292 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:24:15,293 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:24:15,293 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:24:15,293 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:24:15,294 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:24:14" (3/4) ... [2024-11-13 23:24:15,298 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:24:15,299 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:24:15,300 INFO L158 Benchmark]: Toolchain (without parser) took 2265.48ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 48.4MB in the end (delta: 41.5MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-13 23:24:15,300 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:24:15,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1281.14ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 82.5MB in the end (delta: 7.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 23:24:15,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.39ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 79.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:24:15,301 INFO L158 Benchmark]: Boogie Preprocessor took 24.90ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:24:15,302 INFO L158 Benchmark]: RCFGBuilder took 471.89ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 64.4MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:24:15,304 INFO L158 Benchmark]: CodeCheck took 426.53ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 48.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:24:15,305 INFO L158 Benchmark]: Witness Printer took 6.32ms. Allocated memory is still 117.4MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:24:15,307 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: 1571]: 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 1561. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_fscanf_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] COND TRUE data < 0 VAL [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] [L1571] data * 2 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 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1281.14ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 82.5MB in the end (delta: 7.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.39ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 79.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.90ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 471.89ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 64.4MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 426.53ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 48.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.32ms. Allocated memory is still 117.4MB. Free memory is still 48.4MB. 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 23:24:15,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/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_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/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_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/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_1ec6e16d-930f-4d15-b852-937e88637e23/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 6cc8c7a8f353df873f3a0acbb623488539232f8eb7d059b435f22b5708486efb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:24:18,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:24:18,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:24:18,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:24:18,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:24:18,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:24:18,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:24:18,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:24:18,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:24:18,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:24:18,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:24:18,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:24:18,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:24:18,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:24:18,265 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:24:18,266 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:24:18,266 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:24:18,267 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:24:18,268 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:24:18,268 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:24:18,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:24:18,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:24:18,268 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:24:18,268 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:24:18,268 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:24:18,268 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:18,269 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:24:18,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:24:18,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:24:18,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:24:18,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:24:18,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:24:18,269 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:24:18,269 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:18,269 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:24:18,269 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_1ec6e16d-930f-4d15-b852-937e88637e23/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 -> 6cc8c7a8f353df873f3a0acbb623488539232f8eb7d059b435f22b5708486efb [2024-11-13 23:24:18,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:24:18,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:24:18,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:24:18,615 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:24:18,615 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:24:18,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_bad.i Unable to find full path for "g++" [2024-11-13 23:24:20,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:24:21,055 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:24:21,056 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_bad.i [2024-11-13 23:24:21,084 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/data/86eab6165/561225c62d044fb883e7cd99c1ce6187/FLAG5aa9ddab2 [2024-11-13 23:24:21,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/data/86eab6165/561225c62d044fb883e7cd99c1ce6187 [2024-11-13 23:24:21,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:24:21,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:24:21,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:24:21,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:24:21,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:24:21,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:24:21" (1/1) ... [2024-11-13 23:24:21,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e964433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:21, skipping insertion in model container [2024-11-13 23:24:21,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:24:21" (1/1) ... [2024-11-13 23:24:21,165 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:24:22,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:24:22,098 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:24:22,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:24:22,372 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:24:22,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:22 WrapperNode [2024-11-13 23:24:22,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:24:22,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:24:22,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:24:22,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:24:22,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:22" (1/1) ... [2024-11-13 23:24:22,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:22" (1/1) ... [2024-11-13 23:24:22,423 INFO L138 Inliner]: procedures = 503, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2024-11-13 23:24:22,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:24:22,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:24:22,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:24:22,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:24:22,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:22" (1/1) ... [2024-11-13 23:24:22,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:22" (1/1) ... [2024-11-13 23:24:22,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:22" (1/1) ... [2024-11-13 23:24:22,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:22" (1/1) ... [2024-11-13 23:24:22,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:22" (1/1) ... [2024-11-13 23:24:22,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:22" (1/1) ... [2024-11-13 23:24:22,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:22" (1/1) ... [2024-11-13 23:24:22,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:22" (1/1) ... [2024-11-13 23:24:22,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:24:22,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:24:22,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:24:22,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:24:22,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:22" (1/1) ... [2024-11-13 23:24:22,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:24:22,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:24:22,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:24:22,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:24:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:24:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:24:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:24:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:24:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:24:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:24:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 23:24:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:24:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 23:24:22,795 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:24:22,797 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:24:22,982 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 23:24:22,985 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:24:23,063 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:24:23,066 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:24:23,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:24:23 BoogieIcfgContainer [2024-11-13 23:24:23,066 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:24:23,067 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:24:23,067 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:24:23,079 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:24:23,079 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:24:23" (1/1) ... [2024-11-13 23:24:23,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:24:23,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:24:23,154 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:24:23,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:24:23,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:23,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:23,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:23,163 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:23,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:24:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:24:23,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:24:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:24:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:24:23,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:24:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:24:23,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:24:23,775 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:24:23,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:24:23 ImpRootNode [2024-11-13 23:24:23,815 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:24:23,817 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:24:23,817 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:24:23,818 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:24:23,818 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:24:23" (3/4) ... [2024-11-13 23:24:23,822 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:24:23,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:24:23,824 INFO L158 Benchmark]: Toolchain (without parser) took 2719.70ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 82.0MB in the end (delta: 8.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-13 23:24:23,826 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:24:23,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1267.29ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 79.7MB in the end (delta: 11.0MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-13 23:24:23,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.53ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:24:23,828 INFO L158 Benchmark]: Boogie Preprocessor took 47.17ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:24:23,828 INFO L158 Benchmark]: RCFGBuilder took 591.48ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 59.1MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:24:23,828 INFO L158 Benchmark]: CodeCheck took 748.75ms. Allocated memory is still 117.4MB. Free memory was 59.1MB in the beginning and 82.0MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:24:23,829 INFO L158 Benchmark]: Witness Printer took 5.86ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 82.0MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:24:23,835 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1571]: 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 1561. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_fscanf_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] COND TRUE data < 0 VAL [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] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1267.29ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 79.7MB in the end (delta: 11.0MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.53ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.17ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 591.48ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 59.1MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 748.75ms. Allocated memory is still 117.4MB. Free memory was 59.1MB in the beginning and 82.0MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.86ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 82.0MB in the end (delta: 19.3kB). 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 23:24:23,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec6e16d-930f-4d15-b852-937e88637e23/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