./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_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_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/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_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/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_08560900-be46-4511-b0dc-ec286b21bf33/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 95bf25103b8a3ee1eeeb7b57c27c8e3c8cc7a1d38e649ee487b7d82d3b8289b6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:25:40,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:25:40,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:25:40,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:25:40,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:25:40,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:25:40,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:25:40,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:25:40,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:25:40,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:25:40,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:25:40,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:25:40,584 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:25:40,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:25:40,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:25:40,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:25:40,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:25:40,586 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:25:40,586 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:25:40,586 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:25:40,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:25:40,586 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:25:40,586 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:25:40,586 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:25:40,586 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:25:40,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:25:40,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:25:40,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:25:40,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:25:40,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:25:40,587 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:25:40,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:25:40,587 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_08560900-be46-4511-b0dc-ec286b21bf33/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 -> 95bf25103b8a3ee1eeeb7b57c27c8e3c8cc7a1d38e649ee487b7d82d3b8289b6 [2024-11-13 21:25:40,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:25:40,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:25:40,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:25:40,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:25:40,908 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:25:40,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i Unable to find full path for "g++" [2024-11-13 21:25:42,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:25:43,287 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:25:43,288 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i [2024-11-13 21:25:43,312 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/data/202072630/eb33a21d04d44f75803143c2a2a443a2/FLAG644d979ab [2024-11-13 21:25:43,329 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/data/202072630/eb33a21d04d44f75803143c2a2a443a2 [2024-11-13 21:25:43,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:25:43,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:25:43,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:25:43,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:25:43,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:25:43,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:25:43" (1/1) ... [2024-11-13 21:25:43,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16102960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:43, skipping insertion in model container [2024-11-13 21:25:43,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:25:43" (1/1) ... [2024-11-13 21:25:43,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:25:44,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:25:44,375 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:25:44,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:25:44,651 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:25:44,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:44 WrapperNode [2024-11-13 21:25:44,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:25:44,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:25:44,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:25:44,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:25:44,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:44" (1/1) ... [2024-11-13 21:25:44,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:44" (1/1) ... [2024-11-13 21:25:44,717 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-13 21:25:44,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:25:44,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:25:44,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:25:44,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:25:44,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:44" (1/1) ... [2024-11-13 21:25:44,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:44" (1/1) ... [2024-11-13 21:25:44,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:44" (1/1) ... [2024-11-13 21:25:44,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:44" (1/1) ... [2024-11-13 21:25:44,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:44" (1/1) ... [2024-11-13 21:25:44,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:44" (1/1) ... [2024-11-13 21:25:44,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:44" (1/1) ... [2024-11-13 21:25:44,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:44" (1/1) ... [2024-11-13 21:25:44,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:25:44,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:25:44,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:25:44,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:25:44,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:44" (1/1) ... [2024-11-13 21:25:44,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:25:44,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:25:44,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:25:44,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:25:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:25:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:25:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:25:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:25:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:25:45,003 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:25:45,005 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:25:45,128 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:25:45,128 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:25:45,203 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:25:45,204 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:25:45,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:25:45 BoogieIcfgContainer [2024-11-13 21:25:45,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:25:45,206 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:25:45,206 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:25:45,217 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:25:45,217 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:25:45" (1/1) ... [2024-11-13 21:25:45,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:25:45,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:25:45,290 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:25:45,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:25:45,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:45,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:45,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:25:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:45,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:25:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:45,571 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:25:45,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:25:45 ImpRootNode [2024-11-13 21:25:45,596 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:25:45,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:25:45,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:25:45,597 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:25:45,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:25:45" (3/4) ... [2024-11-13 21:25:45,600 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:25:45,601 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:25:45,602 INFO L158 Benchmark]: Toolchain (without parser) took 2268.89ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 49.9MB in the end (delta: 39.5MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-13 21:25:45,602 INFO L158 Benchmark]: CDTParser took 1.42ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:25:45,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1318.83ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.6MB in the end (delta: 8.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 21:25:45,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.69ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.4MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:25:45,603 INFO L158 Benchmark]: Boogie Preprocessor took 29.11ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 77.3MB in the end (delta: 536.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:25:45,604 INFO L158 Benchmark]: RCFGBuilder took 455.55ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 63.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:25:45,604 INFO L158 Benchmark]: CodeCheck took 390.83ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 49.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:25:45,605 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 117.4MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:25:45,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1556] COND TRUE globalFive==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] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1318.83ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.6MB in the end (delta: 8.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.69ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.4MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.11ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 77.3MB in the end (delta: 536.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 455.55ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 63.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 390.83ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 49.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 117.4MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:25:45,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/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_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/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_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/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_08560900-be46-4511-b0dc-ec286b21bf33/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 95bf25103b8a3ee1eeeb7b57c27c8e3c8cc7a1d38e649ee487b7d82d3b8289b6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:25:48,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:25:48,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:25:48,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:25:48,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:25:48,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:25:48,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:25:48,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:25:48,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:25:48,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:25:48,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:25:48,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:25:48,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:25:48,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:25:48,539 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:25:48,539 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:25:48,539 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:25:48,539 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:25:48,539 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:25:48,540 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:25:48,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:25:48,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:25:48,540 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:25:48,540 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:25:48,540 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:25:48,540 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:25:48,540 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:25:48,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:25:48,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:25:48,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:25:48,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:25:48,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:25:48,541 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:25:48,541 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:25:48,541 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:25:48,542 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_08560900-be46-4511-b0dc-ec286b21bf33/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 -> 95bf25103b8a3ee1eeeb7b57c27c8e3c8cc7a1d38e649ee487b7d82d3b8289b6 [2024-11-13 21:25:48,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:25:48,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:25:48,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:25:48,881 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:25:48,881 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:25:48,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i Unable to find full path for "g++" [2024-11-13 21:25:50,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:25:51,436 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:25:51,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i [2024-11-13 21:25:51,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/data/ffa3d9c2d/2c1cedf7e3e047cbb399049d75564985/FLAG38b87063e [2024-11-13 21:25:51,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/data/ffa3d9c2d/2c1cedf7e3e047cbb399049d75564985 [2024-11-13 21:25:51,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:25:51,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:25:51,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:25:51,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:25:51,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:25:51,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:25:51" (1/1) ... [2024-11-13 21:25:51,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f703e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:51, skipping insertion in model container [2024-11-13 21:25:51,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:25:51" (1/1) ... [2024-11-13 21:25:51,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:25:52,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:25:52,523 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:25:52,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:25:52,790 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:25:52,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:52 WrapperNode [2024-11-13 21:25:52,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:25:52,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:25:52,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:25:52,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:25:52,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:52" (1/1) ... [2024-11-13 21:25:52,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:52" (1/1) ... [2024-11-13 21:25:52,846 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-13 21:25:52,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:25:52,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:25:52,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:25:52,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:25:52,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:52" (1/1) ... [2024-11-13 21:25:52,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:52" (1/1) ... [2024-11-13 21:25:52,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:52" (1/1) ... [2024-11-13 21:25:52,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:52" (1/1) ... [2024-11-13 21:25:52,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:52" (1/1) ... [2024-11-13 21:25:52,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:52" (1/1) ... [2024-11-13 21:25:52,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:52" (1/1) ... [2024-11-13 21:25:52,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:52" (1/1) ... [2024-11-13 21:25:52,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:25:52,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:25:52,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:25:52,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:25:52,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:52" (1/1) ... [2024-11-13 21:25:52,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:25:52,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:25:52,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:25:52,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:25:52,935 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:25:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:25:52,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:25:52,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:25:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:25:53,146 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:25:53,149 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:25:53,257 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 21:25:53,257 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:25:53,339 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:25:53,341 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:25:53,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:25:53 BoogieIcfgContainer [2024-11-13 21:25:53,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:25:53,343 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:25:53,343 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:25:53,353 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:25:53,353 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:25:53" (1/1) ... [2024-11-13 21:25:53,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:25:53,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:53,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:25:53,414 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:25:53,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:25:53,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:53,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:25:53,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:25:53,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:25:53,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:25:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:53,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:25:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:53,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:25:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:25:53,724 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:25:53,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:25:53,728 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:25:53,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:25:53 ImpRootNode [2024-11-13 21:25:53,762 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:25:53,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:25:53,764 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:25:53,764 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:25:53,764 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:25:53" (3/4) ... [2024-11-13 21:25:53,768 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:25:53,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:25:53,770 INFO L158 Benchmark]: Toolchain (without parser) took 2291.49ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 44.2MB in the end (delta: 12.8MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-13 21:25:53,770 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:25:53,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1310.82ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 52.7MB in the end (delta: 4.3MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 21:25:53,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.27ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 50.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:25:53,774 INFO L158 Benchmark]: Boogie Preprocessor took 26.27ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 48.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:25:53,774 INFO L158 Benchmark]: RCFGBuilder took 468.18ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 33.5MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:25:53,774 INFO L158 Benchmark]: CodeCheck took 419.18ms. Allocated memory is still 83.9MB. Free memory was 33.5MB in the beginning and 44.4MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:25:53,775 INFO L158 Benchmark]: Witness Printer took 5.58ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 44.2MB in the end (delta: 123.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:25:53,778 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1556] COND TRUE globalFive==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] [L1559] data - 1 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 0.27ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1310.82ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 52.7MB in the end (delta: 4.3MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.27ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 50.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.27ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 48.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.18ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 33.5MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 419.18ms. Allocated memory is still 83.9MB. Free memory was 33.5MB in the beginning and 44.4MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.58ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 44.2MB in the end (delta: 123.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:25:53,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08560900-be46-4511-b0dc-ec286b21bf33/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