./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_13_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_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/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_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/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_271eb620-269d-4df7-b9b0-19fcbf46a6e1/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 574a047dedeb31c026884006642d8a9f481905af765f6f4c49184c21320398f2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:45:44,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:45:44,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:45:44,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:45:44,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:45:44,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:45:44,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:45:44,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:45:44,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:45:44,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:45:44,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:45:44,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:45:44,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:45:44,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:45:44,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:45:44,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:45:44,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:45:44,661 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:45:44,661 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:45:44,661 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:45:44,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:45:44,661 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:45:44,661 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:45:44,662 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:45:44,662 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:45:44,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:45:44,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:45:44,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:45:44,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:45:44,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:45:44,663 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:45:44,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:45:44,663 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_271eb620-269d-4df7-b9b0-19fcbf46a6e1/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 -> 574a047dedeb31c026884006642d8a9f481905af765f6f4c49184c21320398f2 [2024-11-13 20:45:44,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:45:44,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:45:44,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:45:44,997 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:45:44,997 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:45:44,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_13_bad.i Unable to find full path for "g++" [2024-11-13 20:45:46,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:45:47,280 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:45:47,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_13_bad.i [2024-11-13 20:45:47,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/data/61f29add2/f42c68dbe2314f69ae6581c7648c47e7/FLAG45bc1d180 [2024-11-13 20:45:47,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/data/61f29add2/f42c68dbe2314f69ae6581c7648c47e7 [2024-11-13 20:45:47,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:45:47,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:45:47,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:45:47,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:45:47,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:45:47,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:45:47" (1/1) ... [2024-11-13 20:45:47,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179f11e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:47, skipping insertion in model container [2024-11-13 20:45:47,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:45:47" (1/1) ... [2024-11-13 20:45:47,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:45:48,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:45:48,448 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:45:48,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:45:48,680 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:45:48,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:48 WrapperNode [2024-11-13 20:45:48,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:45:48,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:45:48,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:45:48,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:45:48,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:48" (1/1) ... [2024-11-13 20:45:48,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:48" (1/1) ... [2024-11-13 20:45:48,743 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-13 20:45:48,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:45:48,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:45:48,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:45:48,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:45:48,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:48" (1/1) ... [2024-11-13 20:45:48,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:48" (1/1) ... [2024-11-13 20:45:48,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:48" (1/1) ... [2024-11-13 20:45:48,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:48" (1/1) ... [2024-11-13 20:45:48,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:48" (1/1) ... [2024-11-13 20:45:48,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:48" (1/1) ... [2024-11-13 20:45:48,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:48" (1/1) ... [2024-11-13 20:45:48,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:48" (1/1) ... [2024-11-13 20:45:48,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:45:48,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:45:48,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:45:48,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:45:48,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:48" (1/1) ... [2024-11-13 20:45:48,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:45:48,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:45:48,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:45:48,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:45:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:45:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:45:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:45:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:45:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:45:49,047 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:45:49,049 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:45:49,163 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 20:45:49,164 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:45:49,211 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:45:49,211 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:45:49,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:49 BoogieIcfgContainer [2024-11-13 20:45:49,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:45:49,213 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:45:49,213 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:45:49,225 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:45:49,225 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:49" (1/1) ... [2024-11-13 20:45:49,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:45:49,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:49,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:45:49,284 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:45:49,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:45:49,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:49,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:49,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:45:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:49,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:45:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:49,536 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:45:49,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:45:49 ImpRootNode [2024-11-13 20:45:49,562 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:45:49,562 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:45:49,563 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:45:49,563 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:45:49,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:49" (3/4) ... [2024-11-13 20:45:49,566 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:45:49,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:45:49,568 INFO L158 Benchmark]: Toolchain (without parser) took 2217.60ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 74.6MB in the end (delta: 40.5MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-13 20:45:49,568 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:49,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1329.55ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 106.2MB in the end (delta: 8.9MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 20:45:49,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.20ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 103.6MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:45:49,570 INFO L158 Benchmark]: Boogie Preprocessor took 23.10ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 103.0MB in the end (delta: 602.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:49,570 INFO L158 Benchmark]: RCFGBuilder took 443.53ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 88.8MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:45:49,570 INFO L158 Benchmark]: CodeCheck took 349.18ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 75.2MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:45:49,571 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 142.6MB. Free memory was 75.2MB in the beginning and 74.6MB in the end (delta: 602.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:49,578 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1560]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_multiply_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1556] COND TRUE GLOBAL_CONST_FIVE==5 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] [L1558] 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] [L1560] 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1329.55ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 106.2MB in the end (delta: 8.9MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.20ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 103.6MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.10ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 103.0MB in the end (delta: 602.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 443.53ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 88.8MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 349.18ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 75.2MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 142.6MB. Free memory was 75.2MB in the beginning and 74.6MB in the end (delta: 602.7kB). 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 20:45:49,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/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_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/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_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/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_271eb620-269d-4df7-b9b0-19fcbf46a6e1/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 574a047dedeb31c026884006642d8a9f481905af765f6f4c49184c21320398f2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:45:52,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:45:52,394 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:45:52,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:45:52,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:45:52,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:45:52,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:45:52,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:45:52,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:45:52,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:45:52,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:45:52,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:45:52,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:45:52,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:45:52,455 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:45:52,455 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:45:52,455 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:45:52,455 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:45:52,455 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:45:52,455 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:45:52,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:45:52,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:45:52,455 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:45:52,455 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:45:52,456 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:45:52,456 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:52,456 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:45:52,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:45:52,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:45:52,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:45:52,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:45:52,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:45:52,456 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:45:52,456 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:52,457 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:45:52,457 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_271eb620-269d-4df7-b9b0-19fcbf46a6e1/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 -> 574a047dedeb31c026884006642d8a9f481905af765f6f4c49184c21320398f2 [2024-11-13 20:45:52,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:45:52,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:45:52,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:45:52,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:45:52,825 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:45:52,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_13_bad.i Unable to find full path for "g++" [2024-11-13 20:45:54,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:45:55,301 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:45:55,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_13_bad.i [2024-11-13 20:45:55,334 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/data/bf0cda4fd/7bfe62e7e2be4b428ee0049d118842dc/FLAGb903d611a [2024-11-13 20:45:55,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/data/bf0cda4fd/7bfe62e7e2be4b428ee0049d118842dc [2024-11-13 20:45:55,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:45:55,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:45:55,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:45:55,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:45:55,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:45:55,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:45:55" (1/1) ... [2024-11-13 20:45:55,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f66aab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:55, skipping insertion in model container [2024-11-13 20:45:55,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:45:55" (1/1) ... [2024-11-13 20:45:55,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:45:56,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:45:56,551 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:45:56,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:45:56,922 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:45:56,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:56 WrapperNode [2024-11-13 20:45:56,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:45:56,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:45:56,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:45:56,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:45:56,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:56" (1/1) ... [2024-11-13 20:45:56,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:56" (1/1) ... [2024-11-13 20:45:56,978 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-13 20:45:56,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:45:56,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:45:56,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:45:56,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:45:56,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:56" (1/1) ... [2024-11-13 20:45:56,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:56" (1/1) ... [2024-11-13 20:45:56,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:56" (1/1) ... [2024-11-13 20:45:56,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:56" (1/1) ... [2024-11-13 20:45:57,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:56" (1/1) ... [2024-11-13 20:45:57,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:56" (1/1) ... [2024-11-13 20:45:57,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:56" (1/1) ... [2024-11-13 20:45:57,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:56" (1/1) ... [2024-11-13 20:45:57,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:45:57,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:45:57,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:45:57,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:45:57,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:56" (1/1) ... [2024-11-13 20:45:57,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:45:57,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:45:57,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:45:57,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:45:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:45:57,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:45:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:45:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:45:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:45:57,277 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:45:57,279 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:45:57,400 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 20:45:57,400 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:45:57,446 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:45:57,447 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:45:57,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:57 BoogieIcfgContainer [2024-11-13 20:45:57,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:45:57,448 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:45:57,448 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:45:57,460 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:45:57,460 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:57,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:45:57,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:57,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:45:57,546 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:45:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:45:57,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:57,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:57,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:57,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:57,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:45:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:57,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:45:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:57,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:45:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:57,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:45:57,938 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:45:57,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:45:57 ImpRootNode [2024-11-13 20:45:57,969 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:45:57,970 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:45:57,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:45:57,971 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:45:57,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:57" (3/4) ... [2024-11-13 20:45:57,975 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:45:57,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:45:57,977 INFO L158 Benchmark]: Toolchain (without parser) took 2614.48ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 43.1MB in the end (delta: 14.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-13 20:45:57,977 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:57,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1558.89ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 52.0MB in the end (delta: 6.0MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 20:45:57,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.36ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 49.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:57,980 INFO L158 Benchmark]: Boogie Preprocessor took 42.00ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:57,981 INFO L158 Benchmark]: RCFGBuilder took 423.90ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 32.7MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:45:57,981 INFO L158 Benchmark]: CodeCheck took 521.71ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 43.5MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:57,981 INFO L158 Benchmark]: Witness Printer took 5.66ms. Allocated memory is still 83.9MB. Free memory was 43.5MB in the beginning and 43.1MB in the end (delta: 439.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:57,987 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 8 NumberOfCodeBlocks, 8 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: 1560]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_multiply_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1556] COND TRUE GLOBAL_CONST_FIVE==5 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] [L1558] 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] [L1560] 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 0.43ms. Allocated memory is still 83.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1558.89ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 52.0MB in the end (delta: 6.0MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.36ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 49.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.00ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 423.90ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 32.7MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 521.71ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 43.5MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.66ms. Allocated memory is still 83.9MB. Free memory was 43.5MB in the beginning and 43.1MB in the end (delta: 439.0kB). 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 20:45:58,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271eb620-269d-4df7-b9b0-19fcbf46a6e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample