./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_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_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/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_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/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_a94169b9-d46c-4be2-82c0-0df3a056f5f9/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 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:41:26,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:41:26,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:41:26,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:41:26,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:41:26,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:41:26,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:41:26,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:41:26,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:41:26,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:41:26,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:41:26,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:41:26,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:41:26,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:41:26,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:41:26,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:41:26,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:41:26,880 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:41:26,880 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:41:26,880 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:41:26,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:41:26,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:41:26,881 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:41:26,881 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:41:26,881 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:41:26,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:41:26,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:41:26,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:41:26,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:41:26,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:41:26,882 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:41:26,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:41:26,882 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_a94169b9-d46c-4be2-82c0-0df3a056f5f9/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 -> 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 [2024-11-13 21:41:27,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:41:27,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:41:27,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:41:27,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:41:27,261 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:41:27,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i Unable to find full path for "g++" [2024-11-13 21:41:29,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:41:29,523 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:41:29,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i [2024-11-13 21:41:29,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/data/bafd80238/bc4b3084b3244946bb072e0534550dc9/FLAG4d4182e7c [2024-11-13 21:41:29,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/data/bafd80238/bc4b3084b3244946bb072e0534550dc9 [2024-11-13 21:41:29,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:41:29,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:41:29,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:41:29,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:41:29,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:41:29,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:41:29" (1/1) ... [2024-11-13 21:41:29,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2cb68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:29, skipping insertion in model container [2024-11-13 21:41:29,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:41:29" (1/1) ... [2024-11-13 21:41:29,759 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:41:30,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:41:30,887 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:41:31,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:41:31,161 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:41:31,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:31 WrapperNode [2024-11-13 21:41:31,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:41:31,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:41:31,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:41:31,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:41:31,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:31" (1/1) ... [2024-11-13 21:41:31,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:31" (1/1) ... [2024-11-13 21:41:31,235 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-13 21:41:31,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:41:31,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:41:31,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:41:31,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:41:31,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:31" (1/1) ... [2024-11-13 21:41:31,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:31" (1/1) ... [2024-11-13 21:41:31,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:31" (1/1) ... [2024-11-13 21:41:31,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:31" (1/1) ... [2024-11-13 21:41:31,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:31" (1/1) ... [2024-11-13 21:41:31,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:31" (1/1) ... [2024-11-13 21:41:31,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:31" (1/1) ... [2024-11-13 21:41:31,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:31" (1/1) ... [2024-11-13 21:41:31,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:41:31,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:41:31,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:41:31,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:41:31,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:31" (1/1) ... [2024-11-13 21:41:31,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:41:31,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:41:31,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:41:31,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:41:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:41:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:41:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:41:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:41:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:41:31,524 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:41:31,525 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:41:31,628 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:41:31,628 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:41:31,679 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:41:31,679 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:41:31,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:31 BoogieIcfgContainer [2024-11-13 21:41:31,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:41:31,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:41:31,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:41:31,691 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:41:31,691 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:31" (1/1) ... [2024-11-13 21:41:31,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:41:31,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:31,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:41:31,759 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:41:31,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:41:31,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:31,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:41:31,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:41:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:41:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:41:31,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:41:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:41:32,021 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:41:32,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:41:32 ImpRootNode [2024-11-13 21:41:32,061 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:41:32,062 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:41:32,062 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:41:32,062 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:41:32,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:31" (3/4) ... [2024-11-13 21:41:32,067 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:41:32,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:41:32,069 INFO L158 Benchmark]: Toolchain (without parser) took 2368.60ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 49.9MB in the end (delta: 39.1MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 21:41:32,070 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 75.0MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:41:32,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1459.93ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 81.4MB in the end (delta: 7.5MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 21:41:32,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.29ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 78.7MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:41:32,072 INFO L158 Benchmark]: Boogie Preprocessor took 30.14ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:41:32,072 INFO L158 Benchmark]: RCFGBuilder took 412.52ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 63.8MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:41:32,073 INFO L158 Benchmark]: CodeCheck took 381.16ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 49.9MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:41:32,073 INFO L158 Benchmark]: Witness Printer took 6.12ms. 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 21:41:32,079 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 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) 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 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 0.30ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 75.0MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1459.93ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 81.4MB in the end (delta: 7.5MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.29ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 78.7MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.14ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.52ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 63.8MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 381.16ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 49.9MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.12ms. 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 21:41:32,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/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_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/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_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/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_a94169b9-d46c-4be2-82c0-0df3a056f5f9/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 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:41:34,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:41:34,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:41:34,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:41:34,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:41:34,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:41:34,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:41:34,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:41:34,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:41:34,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:41:34,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:41:34,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:41:34,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:41:34,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:41:34,918 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:41:34,918 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:41:34,918 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:41:34,918 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:41:34,919 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:41:34,919 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:41:34,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:41:34,919 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:41:34,919 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:41:34,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:41:34,920 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:41:34,920 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:41:34,920 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:41:34,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:41:34,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:41:34,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:41:34,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:41:34,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:41:34,920 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:41:34,921 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:41:34,921 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:41:34,921 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_a94169b9-d46c-4be2-82c0-0df3a056f5f9/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 -> 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 [2024-11-13 21:41:35,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:41:35,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:41:35,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:41:35,306 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:41:35,307 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:41:35,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i Unable to find full path for "g++" [2024-11-13 21:41:37,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:41:37,641 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:41:37,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i [2024-11-13 21:41:37,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/data/5b46b7f3e/8457963376ff4e4285d8bd82fec42c15/FLAGa7e73d247 [2024-11-13 21:41:37,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/data/5b46b7f3e/8457963376ff4e4285d8bd82fec42c15 [2024-11-13 21:41:37,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:41:37,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:41:37,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:41:37,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:41:37,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:41:37,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:41:37" (1/1) ... [2024-11-13 21:41:37,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b10da46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:37, skipping insertion in model container [2024-11-13 21:41:37,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:41:37" (1/1) ... [2024-11-13 21:41:37,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:41:38,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:41:38,876 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:41:39,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:41:39,249 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:41:39,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:39 WrapperNode [2024-11-13 21:41:39,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:41:39,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:41:39,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:41:39,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:41:39,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:39" (1/1) ... [2024-11-13 21:41:39,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:39" (1/1) ... [2024-11-13 21:41:39,309 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-13 21:41:39,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:41:39,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:41:39,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:41:39,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:41:39,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:39" (1/1) ... [2024-11-13 21:41:39,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:39" (1/1) ... [2024-11-13 21:41:39,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:39" (1/1) ... [2024-11-13 21:41:39,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:39" (1/1) ... [2024-11-13 21:41:39,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:39" (1/1) ... [2024-11-13 21:41:39,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:39" (1/1) ... [2024-11-13 21:41:39,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:39" (1/1) ... [2024-11-13 21:41:39,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:39" (1/1) ... [2024-11-13 21:41:39,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:41:39,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:41:39,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:41:39,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:41:39,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:39" (1/1) ... [2024-11-13 21:41:39,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:41:39,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:41:39,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:41:39,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:41:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:41:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:41:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:41:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:41:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:41:39,668 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:41:39,670 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:41:39,858 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 21:41:39,859 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:41:39,932 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:41:39,932 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:41:39,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:39 BoogieIcfgContainer [2024-11-13 21:41:39,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:41:39,934 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:41:39,935 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:41:39,946 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:41:39,946 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:39" (1/1) ... [2024-11-13 21:41:39,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:41:40,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:41:40,026 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:41:40,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:41:40,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:40,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:41:40,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:41:40,037 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:41:40,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:41:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:41:40,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:41:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:41:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:41:40,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:41:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:41:40,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:41:40,411 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:41:40,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:41:40 ImpRootNode [2024-11-13 21:41:40,450 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:41:40,451 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:41:40,451 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:41:40,451 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:41:40,452 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:39" (3/4) ... [2024-11-13 21:41:40,456 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:41:40,457 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:41:40,458 INFO L158 Benchmark]: Toolchain (without parser) took 2603.75ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 41.7MB in the end (delta: 15.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-13 21:41:40,458 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:41:40,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1394.65ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.7MB in the end (delta: 6.0MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 21:41:40,459 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.69ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:41:40,460 INFO L158 Benchmark]: Boogie Preprocessor took 41.54ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:41:40,460 INFO L158 Benchmark]: RCFGBuilder took 580.50ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 31.2MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:41:40,461 INFO L158 Benchmark]: CodeCheck took 516.77ms. Allocated memory is still 83.9MB. Free memory was 31.2MB in the beginning and 42.1MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:41:40,461 INFO L158 Benchmark]: Witness Printer took 5.98ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 41.7MB in the end (delta: 429.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:41:40,464 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 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) 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 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 0.32ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1394.65ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.7MB in the end (delta: 6.0MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.69ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.54ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 580.50ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 31.2MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 516.77ms. Allocated memory is still 83.9MB. Free memory was 31.2MB in the beginning and 42.1MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.98ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 41.7MB in the end (delta: 429.5kB). 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 21:41:40,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94169b9-d46c-4be2-82c0-0df3a056f5f9/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