./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_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_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/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_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/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_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/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 53188ff72b1ce95e48d25de4ce31cccbe9d156f2b92428a893dd412dbb1300ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:44:06,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:44:06,380 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:44:06,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:44:06,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:44:06,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:44:06,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:44:06,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:44:06,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:44:06,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:44:06,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:44:06,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:44:06,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:44:06,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:44:06,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:44:06,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:44:06,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:44:06,413 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:44:06,413 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:44:06,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:44:06,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:44:06,413 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:44:06,414 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:44:06,414 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:44:06,414 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:44:06,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:44:06,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:06,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:44:06,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:44:06,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:44:06,414 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:44:06,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:44:06,415 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_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/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 -> 53188ff72b1ce95e48d25de4ce31cccbe9d156f2b92428a893dd412dbb1300ca [2024-11-13 20:44:06,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:44:06,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:44:06,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:44:06,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:44:06,751 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:44:06,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i Unable to find full path for "g++" [2024-11-13 20:44:08,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:44:09,126 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:44:09,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i [2024-11-13 20:44:09,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/data/515a28a60/3ee14941415d43069cfa181038d6dcec/FLAGc8b1dfd43 [2024-11-13 20:44:09,204 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/data/515a28a60/3ee14941415d43069cfa181038d6dcec [2024-11-13 20:44:09,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:44:09,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:44:09,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:09,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:44:09,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:44:09,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:09" (1/1) ... [2024-11-13 20:44:09,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63972c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:09, skipping insertion in model container [2024-11-13 20:44:09,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:09" (1/1) ... [2024-11-13 20:44:09,282 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:44:10,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:10,204 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:44:10,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:10,437 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:44:10,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:10 WrapperNode [2024-11-13 20:44:10,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:10,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:10,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:44:10,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:44:10,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:10" (1/1) ... [2024-11-13 20:44:10,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:10" (1/1) ... [2024-11-13 20:44:10,485 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2024-11-13 20:44:10,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:10,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:44:10,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:44:10,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:44:10,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:10" (1/1) ... [2024-11-13 20:44:10,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:10" (1/1) ... [2024-11-13 20:44:10,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:10" (1/1) ... [2024-11-13 20:44:10,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:10" (1/1) ... [2024-11-13 20:44:10,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:10" (1/1) ... [2024-11-13 20:44:10,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:10" (1/1) ... [2024-11-13 20:44:10,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:10" (1/1) ... [2024-11-13 20:44:10,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:10" (1/1) ... [2024-11-13 20:44:10,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:44:10,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:44:10,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:44:10,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:44:10,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:10" (1/1) ... [2024-11-13 20:44:10,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:10,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:44:10,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:44:10,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:44:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:44:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:44:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:44:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:44:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:44:10,790 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:44:10,792 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:44:10,915 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 20:44:10,915 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:44:10,965 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:44:10,965 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:44:10,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:10 BoogieIcfgContainer [2024-11-13 20:44:10,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:44:10,967 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:44:10,967 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:44:10,978 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:44:10,978 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:10" (1/1) ... [2024-11-13 20:44:10,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:44:11,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:44:11,049 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:44:11,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:44:11,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:11,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:11,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:44:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:11,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:44:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:11,337 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:44:11,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:44:11 ImpRootNode [2024-11-13 20:44:11,372 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:44:11,373 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:44:11,373 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:44:11,373 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:44:11,374 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:10" (3/4) ... [2024-11-13 20:44:11,378 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:44:11,378 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:44:11,379 INFO L158 Benchmark]: Toolchain (without parser) took 2170.64ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 95.5MB in the end (delta: 19.5MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-13 20:44:11,380 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:11,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1228.05ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 57.5MB in the end (delta: 57.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 20:44:11,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.46ms. Allocated memory is still 142.6MB. Free memory was 57.5MB in the beginning and 55.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:11,384 INFO L158 Benchmark]: Boogie Preprocessor took 38.29ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 54.2MB in the end (delta: 929.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:44:11,384 INFO L158 Benchmark]: RCFGBuilder took 440.49ms. Allocated memory is still 142.6MB. Free memory was 53.8MB in the beginning and 109.2MB in the end (delta: -55.4MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 20:44:11,385 INFO L158 Benchmark]: CodeCheck took 405.63ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 95.5MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:44:11,385 INFO L158 Benchmark]: Witness Printer took 5.87ms. Allocated memory is still 142.6MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:11,389 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1554] 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 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1228.05ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 57.5MB in the end (delta: 57.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.46ms. Allocated memory is still 142.6MB. Free memory was 57.5MB in the beginning and 55.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.29ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 54.2MB in the end (delta: 929.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 440.49ms. Allocated memory is still 142.6MB. Free memory was 53.8MB in the beginning and 109.2MB in the end (delta: -55.4MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 405.63ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 95.5MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.87ms. Allocated memory is still 142.6MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:44:11,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/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_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/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_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/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_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/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 53188ff72b1ce95e48d25de4ce31cccbe9d156f2b92428a893dd412dbb1300ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:44:13,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:44:14,065 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:44:14,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:44:14,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:44:14,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:44:14,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:44:14,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:44:14,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:44:14,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:44:14,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:44:14,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:44:14,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:44:14,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:44:14,097 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:44:14,097 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:44:14,097 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:44:14,097 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:44:14,098 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:44:14,098 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:44:14,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:44:14,098 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:44:14,098 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:44:14,098 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:44:14,098 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:44:14,098 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:14,098 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:44:14,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:44:14,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:14,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:44:14,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:44:14,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:44:14,099 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:44:14,099 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:14,099 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:44:14,099 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_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/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 -> 53188ff72b1ce95e48d25de4ce31cccbe9d156f2b92428a893dd412dbb1300ca [2024-11-13 20:44:14,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:44:14,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:44:14,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:44:14,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:44:14,446 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:44:14,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i Unable to find full path for "g++" [2024-11-13 20:44:16,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:44:16,767 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:44:16,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i [2024-11-13 20:44:16,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/data/76bec1110/0b01890cc38c4fa980eead706b577fcb/FLAGa9039cbd9 [2024-11-13 20:44:16,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/data/76bec1110/0b01890cc38c4fa980eead706b577fcb [2024-11-13 20:44:16,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:44:16,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:44:16,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:16,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:44:16,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:44:16,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:16" (1/1) ... [2024-11-13 20:44:16,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60340726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:16, skipping insertion in model container [2024-11-13 20:44:16,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:16" (1/1) ... [2024-11-13 20:44:16,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:44:17,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:17,778 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:44:17,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:18,144 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:44:18,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18 WrapperNode [2024-11-13 20:44:18,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:18,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:18,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:44:18,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:44:18,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,220 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-13 20:44:18,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:18,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:44:18,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:44:18,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:44:18,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,252 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:44:18,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:44:18,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:44:18,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:44:18,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:18,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:44:18,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:44:18,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:44:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:44:18,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:44:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:44:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:44:18,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:44:18,548 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:44:18,552 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:44:18,687 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 20:44:18,688 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:44:18,762 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:44:18,762 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:44:18,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:18 BoogieIcfgContainer [2024-11-13 20:44:18,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:44:18,764 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:44:18,764 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:44:18,775 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:44:18,775 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:44:18,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:44:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:44:18,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:44:18,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:18,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:18,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:18,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:18,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:44:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:19,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:44:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:19,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:44:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:19,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:44:19,249 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:44:19,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:44:19 ImpRootNode [2024-11-13 20:44:19,280 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:44:19,281 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:44:19,281 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:44:19,281 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:44:19,282 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:18" (3/4) ... [2024-11-13 20:44:19,285 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:44:19,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:44:19,289 INFO L158 Benchmark]: Toolchain (without parser) took 2475.24ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 89.4MB in the beginning and 210.2MB in the end (delta: -120.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-13 20:44:19,289 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:19,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1331.34ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 67.6MB in the end (delta: 21.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 20:44:19,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.77ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 64.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:19,290 INFO L158 Benchmark]: Boogie Preprocessor took 45.56ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 63.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:19,291 INFO L158 Benchmark]: RCFGBuilder took 493.56ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 48.0MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:44:19,291 INFO L158 Benchmark]: CodeCheck took 515.81ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 48.0MB in the beginning and 210.9MB in the end (delta: -162.8MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-11-13 20:44:19,291 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 243.3MB. Free memory was 210.9MB in the beginning and 210.2MB in the end (delta: 696.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:19,298 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1554] 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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1331.34ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 67.6MB in the end (delta: 21.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.77ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 64.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.56ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 63.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 493.56ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 48.0MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 515.81ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 48.0MB in the beginning and 210.9MB in the end (delta: -162.8MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 243.3MB. Free memory was 210.9MB in the beginning and 210.2MB in the end (delta: 696.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:44:19,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5945b03a-b0ca-403a-b0d1-fe7b9a088f10/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