./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_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_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/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_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/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_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/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 3373964143bc82bf5b7cdfe4a0a14ee76bcfa8915d074a65f7177afe9a4eeb19 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:17:21,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:17:21,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:17:21,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:17:21,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:17:21,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:17:21,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:17:21,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:17:21,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:17:21,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:17:21,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:17:21,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:17:21,271 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:17:21,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:17:21,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:17:21,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:17:21,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:17:21,272 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:17:21,272 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:17:21,273 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:17:21,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:17:21,273 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:17:21,273 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:17:21,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:17:21,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:17:21,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:17:21,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:17:21,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:17:21,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:17:21,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:17:21,275 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:17:21,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:17:21,275 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_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/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 -> 3373964143bc82bf5b7cdfe4a0a14ee76bcfa8915d074a65f7177afe9a4eeb19 [2024-11-13 22:17:21,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:17:21,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:17:21,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:17:21,773 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:17:21,776 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:17:21,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i Unable to find full path for "g++" [2024-11-13 22:17:24,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:17:24,823 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:17:24,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i [2024-11-13 22:17:24,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/data/94448de5c/da18838d05314421962ce818f9dba400/FLAGb4c6a3c07 [2024-11-13 22:17:24,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/data/94448de5c/da18838d05314421962ce818f9dba400 [2024-11-13 22:17:24,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:17:24,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:17:24,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:17:24,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:17:24,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:17:24,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:17:24" (1/1) ... [2024-11-13 22:17:24,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c917fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:24, skipping insertion in model container [2024-11-13 22:17:24,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:17:24" (1/1) ... [2024-11-13 22:17:24,993 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:17:26,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:17:26,435 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:17:26,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:17:26,761 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:17:26,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:26 WrapperNode [2024-11-13 22:17:26,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:17:26,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:17:26,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:17:26,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:17:26,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:26" (1/1) ... [2024-11-13 22:17:26,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:26" (1/1) ... [2024-11-13 22:17:26,825 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 48 [2024-11-13 22:17:26,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:17:26,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:17:26,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:17:26,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:17:26,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:26" (1/1) ... [2024-11-13 22:17:26,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:26" (1/1) ... [2024-11-13 22:17:26,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:26" (1/1) ... [2024-11-13 22:17:26,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:26" (1/1) ... [2024-11-13 22:17:26,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:26" (1/1) ... [2024-11-13 22:17:26,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:26" (1/1) ... [2024-11-13 22:17:26,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:26" (1/1) ... [2024-11-13 22:17:26,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:26" (1/1) ... [2024-11-13 22:17:26,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:17:26,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:17:26,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:17:26,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:17:26,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:26" (1/1) ... [2024-11-13 22:17:26,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:17:26,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:17:26,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:17:26,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:17:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:17:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:17:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:17:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:17:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:17:27,112 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:17:27,115 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:17:27,302 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 22:17:27,302 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:17:27,386 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:17:27,386 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:17:27,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:27 BoogieIcfgContainer [2024-11-13 22:17:27,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:17:27,387 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:17:27,387 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:17:27,402 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:17:27,402 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:27" (1/1) ... [2024-11-13 22:17:27,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:17:27,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:17:27,489 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:17:27,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:17:27,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:27,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:27,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:17:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:27,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:17:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:27,805 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:17:27,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:17:27 ImpRootNode [2024-11-13 22:17:27,855 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:17:27,856 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:17:27,856 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:17:27,856 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:17:27,857 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:27" (3/4) ... [2024-11-13 22:17:27,860 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:17:27,861 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:17:27,863 INFO L158 Benchmark]: Toolchain (without parser) took 2980.16ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 49.9MB in the end (delta: 38.6MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 22:17:27,863 INFO L158 Benchmark]: CDTParser took 1.96ms. Allocated memory is still 83.9MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:27,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1878.40ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 80.1MB in the end (delta: 8.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 22:17:27,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.03ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.5MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:17:27,865 INFO L158 Benchmark]: Boogie Preprocessor took 28.02ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.7MB in the end (delta: 739.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:27,866 INFO L158 Benchmark]: RCFGBuilder took 531.30ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 63.8MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:17:27,866 INFO L158 Benchmark]: CodeCheck took 467.57ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 49.9MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:17:27,867 INFO L158 Benchmark]: Witness Printer took 5.91ms. 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 22:17:27,870 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: 0.4s, 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, 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: 1577]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_53_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_sub_53d_badSink(data) [L1577] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.96ms. Allocated memory is still 83.9MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1878.40ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 80.1MB in the end (delta: 8.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.03ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.5MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.02ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.7MB in the end (delta: 739.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 531.30ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 63.8MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 467.57ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 49.9MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.91ms. 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 22:17:27,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/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_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/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_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/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_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/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 3373964143bc82bf5b7cdfe4a0a14ee76bcfa8915d074a65f7177afe9a4eeb19 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:17:31,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:17:31,474 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:17:31,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:17:31,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:17:31,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:17:31,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:17:31,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:17:31,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:17:31,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:17:31,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:17:31,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:17:31,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:17:31,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:17:31,550 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:17:31,550 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:17:31,550 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:17:31,550 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:17:31,550 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:17:31,551 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:17:31,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:17:31,551 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:17:31,551 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:17:31,551 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:17:31,551 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:17:31,551 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:17:31,551 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:17:31,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:17:31,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:17:31,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:17:31,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:17:31,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:17:31,554 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:17:31,554 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:17:31,554 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:17:31,555 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_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/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 -> 3373964143bc82bf5b7cdfe4a0a14ee76bcfa8915d074a65f7177afe9a4eeb19 [2024-11-13 22:17:31,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:17:31,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:17:31,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:17:31,974 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:17:31,975 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:17:31,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i Unable to find full path for "g++" [2024-11-13 22:17:34,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:17:34,571 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:17:34,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i [2024-11-13 22:17:34,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/data/8f6dc2f07/dfb5fd1ded834ddeab9289bc2c7192ca/FLAG5bcec3c18 [2024-11-13 22:17:34,654 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/data/8f6dc2f07/dfb5fd1ded834ddeab9289bc2c7192ca [2024-11-13 22:17:34,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:17:34,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:17:34,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:17:34,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:17:34,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:17:34,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:17:34" (1/1) ... [2024-11-13 22:17:34,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20532634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:34, skipping insertion in model container [2024-11-13 22:17:34,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:17:34" (1/1) ... [2024-11-13 22:17:34,729 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:17:36,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:17:36,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:17:36,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:17:36,452 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:17:36,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:36 WrapperNode [2024-11-13 22:17:36,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:17:36,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:17:36,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:17:36,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:17:36,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:36" (1/1) ... [2024-11-13 22:17:36,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:36" (1/1) ... [2024-11-13 22:17:36,547 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 47 [2024-11-13 22:17:36,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:17:36,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:17:36,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:17:36,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:17:36,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:36" (1/1) ... [2024-11-13 22:17:36,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:36" (1/1) ... [2024-11-13 22:17:36,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:36" (1/1) ... [2024-11-13 22:17:36,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:36" (1/1) ... [2024-11-13 22:17:36,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:36" (1/1) ... [2024-11-13 22:17:36,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:36" (1/1) ... [2024-11-13 22:17:36,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:36" (1/1) ... [2024-11-13 22:17:36,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:36" (1/1) ... [2024-11-13 22:17:36,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:17:36,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:17:36,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:17:36,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:17:36,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:36" (1/1) ... [2024-11-13 22:17:36,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:17:36,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:17:36,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:17:36,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:17:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:17:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:17:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:17:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:17:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:17:36,949 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:17:36,952 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:17:37,128 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 22:17:37,128 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:17:37,208 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:17:37,208 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:17:37,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:37 BoogieIcfgContainer [2024-11-13 22:17:37,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:17:37,210 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:17:37,210 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:17:37,223 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:17:37,224 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:37" (1/1) ... [2024-11-13 22:17:37,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:17:37,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:17:37,347 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:17:37,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:17:37,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:37,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:17:37,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:17:37,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:17:37,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:17:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:37,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:17:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:37,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:17:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:37,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:17:37,692 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:17:37,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:17:37 ImpRootNode [2024-11-13 22:17:37,729 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:17:37,729 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:17:37,730 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:17:37,730 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:17:37,732 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:37" (3/4) ... [2024-11-13 22:17:37,735 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:17:37,736 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:17:37,737 INFO L158 Benchmark]: Toolchain (without parser) took 3078.12ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 73.8MB in the end (delta: 16.5MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-13 22:17:37,737 INFO L158 Benchmark]: CDTParser took 3.49ms. Allocated memory is still 83.9MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:37,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1792.19ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 76.3MB in the end (delta: 13.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 22:17:37,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.86ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 73.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:37,738 INFO L158 Benchmark]: Boogie Preprocessor took 58.37ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:17:37,739 INFO L158 Benchmark]: RCFGBuilder took 601.98ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 56.3MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:17:37,739 INFO L158 Benchmark]: CodeCheck took 518.81ms. Allocated memory is still 117.4MB. Free memory was 56.3MB in the beginning and 74.3MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:37,740 INFO L158 Benchmark]: Witness Printer took 6.53ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 73.8MB in the end (delta: 513.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:37,746 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: 0.4s, 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, 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: 1577]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_53_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_sub_53d_badSink(data) [L1577] 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 3.49ms. Allocated memory is still 83.9MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1792.19ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 76.3MB in the end (delta: 13.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.86ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 73.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.37ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 601.98ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 56.3MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 518.81ms. Allocated memory is still 117.4MB. Free memory was 56.3MB in the beginning and 74.3MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.53ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 73.8MB in the end (delta: 513.7kB). 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 22:17:37,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e395c05-26fc-42b3-9069-5fd2bb4adcf8/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