./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_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_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/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_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/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_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/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 8cdbac82e6571791e5016f3b21049939c4a1fa2e65856d5819086f2f3e1a431d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:49:13,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:49:13,264 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:49:13,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:49:13,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:49:13,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:49:13,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:49:13,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:49:13,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:49:13,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:49:13,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:49:13,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:49:13,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:49:13,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:49:13,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:49:13,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:49:13,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:49:13,329 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:49:13,330 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:49:13,330 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:49:13,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:49:13,331 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:49:13,331 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:49:13,331 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:49:13,331 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:49:13,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:49:13,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:13,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:49:13,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:49:13,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:49:13,333 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:49:13,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:49:13,333 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_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/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 -> 8cdbac82e6571791e5016f3b21049939c4a1fa2e65856d5819086f2f3e1a431d [2024-11-13 21:49:13,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:49:13,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:49:13,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:49:13,772 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:49:13,773 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:49:13,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i Unable to find full path for "g++" [2024-11-13 21:49:16,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:49:16,719 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:49:16,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i [2024-11-13 21:49:16,748 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/data/d234cf22d/505c6edd57ed4ef5bb2fb73a833e4f47/FLAG2810b788d [2024-11-13 21:49:16,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/data/d234cf22d/505c6edd57ed4ef5bb2fb73a833e4f47 [2024-11-13 21:49:16,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:49:16,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:49:16,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:49:16,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:49:16,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:49:16,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:49:16" (1/1) ... [2024-11-13 21:49:16,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4ab009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:16, skipping insertion in model container [2024-11-13 21:49:16,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:49:16" (1/1) ... [2024-11-13 21:49:16,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:49:18,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:49:18,096 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:49:18,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:49:18,439 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:49:18,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:18 WrapperNode [2024-11-13 21:49:18,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:49:18,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:49:18,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:49:18,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:49:18,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:18" (1/1) ... [2024-11-13 21:49:18,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:18" (1/1) ... [2024-11-13 21:49:18,541 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-13 21:49:18,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:49:18,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:49:18,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:49:18,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:49:18,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:18" (1/1) ... [2024-11-13 21:49:18,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:18" (1/1) ... [2024-11-13 21:49:18,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:18" (1/1) ... [2024-11-13 21:49:18,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:18" (1/1) ... [2024-11-13 21:49:18,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:18" (1/1) ... [2024-11-13 21:49:18,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:18" (1/1) ... [2024-11-13 21:49:18,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:18" (1/1) ... [2024-11-13 21:49:18,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:18" (1/1) ... [2024-11-13 21:49:18,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:49:18,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:49:18,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:49:18,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:49:18,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:18" (1/1) ... [2024-11-13 21:49:18,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:18,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:49:18,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:49:18,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:49:18,686 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:49:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:49:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:49:18,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:49:18,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:49:18,951 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:49:18,954 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:49:19,085 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 21:49:19,085 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:49:19,142 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:49:19,143 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:49:19,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:19 BoogieIcfgContainer [2024-11-13 21:49:19,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:49:19,144 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:49:19,144 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:49:19,158 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:49:19,158 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:19" (1/1) ... [2024-11-13 21:49:19,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:49:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:19,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:49:19,239 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:49:19,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:49:19,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:19,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:19,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:49:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:19,575 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:49:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:19,633 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:49:19,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:49:19 ImpRootNode [2024-11-13 21:49:19,679 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:49:19,680 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:49:19,680 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:49:19,681 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:49:19,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:19" (3/4) ... [2024-11-13 21:49:19,686 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:49:19,688 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:49:19,689 INFO L158 Benchmark]: Toolchain (without parser) took 2915.88ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 34.1MB in the end (delta: 45.8MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-13 21:49:19,689 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:19,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1665.86ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 64.2MB in the end (delta: 15.7MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 21:49:19,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.49ms. Allocated memory is still 109.1MB. Free memory was 64.2MB in the beginning and 61.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:49:19,695 INFO L158 Benchmark]: Boogie Preprocessor took 48.53ms. Allocated memory is still 109.1MB. Free memory was 61.7MB in the beginning and 60.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:19,695 INFO L158 Benchmark]: RCFGBuilder took 550.20ms. Allocated memory is still 109.1MB. Free memory was 60.5MB in the beginning and 48.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:49:19,696 INFO L158 Benchmark]: CodeCheck took 535.12ms. Allocated memory is still 109.1MB. Free memory was 48.0MB in the beginning and 34.7MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:49:19,696 INFO L158 Benchmark]: Witness Printer took 7.53ms. Allocated memory is still 109.1MB. Free memory was 34.7MB in the beginning and 34.1MB in the end (delta: 597.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:19,703 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: 0.5s, 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, 0.1s 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: 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_02_bad() [L1550] int data; [L1551] data = 0 [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 0.62ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1665.86ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 64.2MB in the end (delta: 15.7MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.49ms. Allocated memory is still 109.1MB. Free memory was 64.2MB in the beginning and 61.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.53ms. Allocated memory is still 109.1MB. Free memory was 61.7MB in the beginning and 60.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 550.20ms. Allocated memory is still 109.1MB. Free memory was 60.5MB in the beginning and 48.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 535.12ms. Allocated memory is still 109.1MB. Free memory was 48.0MB in the beginning and 34.7MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.53ms. Allocated memory is still 109.1MB. Free memory was 34.7MB in the beginning and 34.1MB in the end (delta: 597.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:49:19,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/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_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/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_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/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 8cdbac82e6571791e5016f3b21049939c4a1fa2e65856d5819086f2f3e1a431d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:49:23,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:49:23,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:49:23,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:49:23,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:49:23,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:49:23,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:49:23,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:49:23,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:49:23,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:49:23,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:49:23,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:49:23,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:49:23,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:49:23,300 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:49:23,300 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:49:23,300 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:49:23,300 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:49:23,301 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:49:23,301 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:49:23,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:49:23,301 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:49:23,301 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:49:23,301 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:49:23,302 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:49:23,302 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:23,302 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:49:23,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:49:23,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:23,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:49:23,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:49:23,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:49:23,303 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:49:23,303 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:23,304 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:49:23,304 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_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/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 -> 8cdbac82e6571791e5016f3b21049939c4a1fa2e65856d5819086f2f3e1a431d [2024-11-13 21:49:23,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:49:23,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:49:23,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:49:23,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:49:23,767 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:49:23,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i Unable to find full path for "g++" [2024-11-13 21:49:26,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:49:26,798 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:49:26,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i [2024-11-13 21:49:26,850 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/data/882c6f630/cd9af9b521e5467aa358efe4e62682b5/FLAG10f5f2ab4 [2024-11-13 21:49:26,881 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/data/882c6f630/cd9af9b521e5467aa358efe4e62682b5 [2024-11-13 21:49:26,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:49:26,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:49:26,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:49:26,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:49:26,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:49:26,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:49:26" (1/1) ... [2024-11-13 21:49:26,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58744835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:26, skipping insertion in model container [2024-11-13 21:49:26,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:49:26" (1/1) ... [2024-11-13 21:49:26,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:49:28,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:49:28,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:49:28,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:49:28,915 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:49:28,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:28 WrapperNode [2024-11-13 21:49:28,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:49:28,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:49:28,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:49:28,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:49:28,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:28" (1/1) ... [2024-11-13 21:49:28,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:28" (1/1) ... [2024-11-13 21:49:28,992 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-13 21:49:28,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:49:28,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:49:28,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:49:28,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:49:29,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:28" (1/1) ... [2024-11-13 21:49:29,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:28" (1/1) ... [2024-11-13 21:49:29,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:28" (1/1) ... [2024-11-13 21:49:29,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:28" (1/1) ... [2024-11-13 21:49:29,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:28" (1/1) ... [2024-11-13 21:49:29,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:28" (1/1) ... [2024-11-13 21:49:29,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:28" (1/1) ... [2024-11-13 21:49:29,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:28" (1/1) ... [2024-11-13 21:49:29,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:49:29,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:49:29,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:49:29,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:49:29,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:28" (1/1) ... [2024-11-13 21:49:29,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:29,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:49:29,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:49:29,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:49:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:49:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:49:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:49:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:49:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:49:29,378 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:49:29,381 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:49:29,654 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 21:49:29,654 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:49:29,758 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:49:29,761 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:49:29,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:29 BoogieIcfgContainer [2024-11-13 21:49:29,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:49:29,764 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:49:29,764 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:49:29,778 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:49:29,778 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:29" (1/1) ... [2024-11-13 21:49:29,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:49:29,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:49:29,849 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:49:29,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:49:29,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:29,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:29,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:49:29,860 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:49:29,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:49:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:30,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:49:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:30,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:49:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:30,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:49:30,291 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:49:30,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:49:30 ImpRootNode [2024-11-13 21:49:30,338 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:49:30,341 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:49:30,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:49:30,342 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:49:30,344 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:29" (3/4) ... [2024-11-13 21:49:30,347 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:49:30,349 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:49:30,351 INFO L158 Benchmark]: Toolchain (without parser) took 3463.80ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 48.6MB in the end (delta: 42.7MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-11-13 21:49:30,351 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 83.9MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:30,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2027.05ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 80.2MB in the end (delta: 10.9MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-13 21:49:30,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.80ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:30,353 INFO L158 Benchmark]: Boogie Preprocessor took 57.44ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:30,353 INFO L158 Benchmark]: RCFGBuilder took 711.02ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 60.8MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:49:30,354 INFO L158 Benchmark]: CodeCheck took 574.58ms. Allocated memory is still 117.4MB. Free memory was 60.8MB in the beginning and 48.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:49:30,358 INFO L158 Benchmark]: Witness Printer took 7.59ms. Allocated memory is still 117.4MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:30,361 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: 0.5s, 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, 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: 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_02_bad() [L1550] int data; [L1551] data = 0 [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 0.58ms. Allocated memory is still 83.9MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2027.05ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 80.2MB in the end (delta: 10.9MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.80ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.44ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 711.02ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 60.8MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 574.58ms. Allocated memory is still 117.4MB. Free memory was 60.8MB in the beginning and 48.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 7.59ms. Allocated memory is still 117.4MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:49:30,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6723c7-22e3-4262-8fef-0aaa0943ddf9/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