./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_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_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/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_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/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_b45ad212-a250-4d24-82ed-3c25085e7bd6/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 be684161f2dd9a695534eef1a269f21752326f2e94a4710ff06139be4b6bb635 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:46:43,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:46:43,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:46:43,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:46:43,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:46:43,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:46:43,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:46:43,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:46:43,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:46:43,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:46:43,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:46:43,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:46:43,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:46:43,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:46:43,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:46:43,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:46:43,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:46:43,170 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:46:43,171 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:46:43,171 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:46:43,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:46:43,171 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:46:43,171 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:46:43,171 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:46:43,171 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:46:43,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:46:43,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:46:43,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:46:43,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:46:43,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:46:43,175 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:46:43,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:46:43,175 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_b45ad212-a250-4d24-82ed-3c25085e7bd6/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 -> be684161f2dd9a695534eef1a269f21752326f2e94a4710ff06139be4b6bb635 [2024-11-13 20:46:43,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:46:43,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:46:43,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:46:43,526 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:46:43,527 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:46:43,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_bad.i Unable to find full path for "g++" [2024-11-13 20:46:45,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:46:45,967 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:46:45,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_bad.i [2024-11-13 20:46:46,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/data/b81ebcbdb/da2af569d0d74bd9adcee068a5861529/FLAGe341c8170 [2024-11-13 20:46:46,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/data/b81ebcbdb/da2af569d0d74bd9adcee068a5861529 [2024-11-13 20:46:46,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:46:46,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:46:46,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:46:46,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:46:46,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:46:46,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:46,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2189c090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:46, skipping insertion in model container [2024-11-13 20:46:46,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:46,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:46:47,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:46:47,010 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:46:47,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:46:47,271 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:46:47,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:47 WrapperNode [2024-11-13 20:46:47,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:46:47,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:46:47,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:46:47,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:46:47,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:47" (1/1) ... [2024-11-13 20:46:47,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:47" (1/1) ... [2024-11-13 20:46:47,321 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 51 [2024-11-13 20:46:47,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:46:47,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:46:47,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:46:47,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:46:47,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:47" (1/1) ... [2024-11-13 20:46:47,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:47" (1/1) ... [2024-11-13 20:46:47,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:47" (1/1) ... [2024-11-13 20:46:47,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:47" (1/1) ... [2024-11-13 20:46:47,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:47" (1/1) ... [2024-11-13 20:46:47,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:47" (1/1) ... [2024-11-13 20:46:47,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:47" (1/1) ... [2024-11-13 20:46:47,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:47" (1/1) ... [2024-11-13 20:46:47,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:46:47,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:46:47,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:46:47,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:46:47,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:47" (1/1) ... [2024-11-13 20:46:47,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:46:47,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:46:47,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:46:47,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:46:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:46:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:46:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:46:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:46:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:46:47,599 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:46:47,600 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:46:47,710 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 20:46:47,710 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:46:47,753 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:46:47,757 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:46:47,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:46:47 BoogieIcfgContainer [2024-11-13 20:46:47,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:46:47,759 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:46:47,759 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:46:47,773 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:46:47,773 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:46:47" (1/1) ... [2024-11-13 20:46:47,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:46:47,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:47,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:46:47,847 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:46:47,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:46:47,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:47,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:46:48,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:46:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:46:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:46:48,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:46:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:46:48,181 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:46:48,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:46:48 ImpRootNode [2024-11-13 20:46:48,221 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:46:48,222 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:46:48,222 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:46:48,222 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:46:48,223 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:46:47" (3/4) ... [2024-11-13 20:46:48,226 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:46:48,227 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:46:48,228 INFO L158 Benchmark]: Toolchain (without parser) took 2193.82ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 75.0MB in the end (delta: 39.9MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 20:46:48,231 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:46:48,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1234.28ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 106.7MB in the end (delta: 8.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 20:46:48,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.45ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 104.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:46:48,233 INFO L158 Benchmark]: Boogie Preprocessor took 23.06ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:46:48,236 INFO L158 Benchmark]: RCFGBuilder took 411.04ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 89.2MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:46:48,236 INFO L158 Benchmark]: CodeCheck took 461.78ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 75.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:46:48,236 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 142.6MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:46:48,238 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_predec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] CALL funcPtr(data) [L1551] --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 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1234.28ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 106.7MB in the end (delta: 8.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.45ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 104.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.06ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 411.04ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 89.2MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 461.78ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 75.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 142.6MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:46:48,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/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_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/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_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/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_b45ad212-a250-4d24-82ed-3c25085e7bd6/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 be684161f2dd9a695534eef1a269f21752326f2e94a4710ff06139be4b6bb635 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:46:51,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:46:51,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:46:51,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:46:51,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:46:51,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:46:51,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:46:51,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:46:51,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:46:51,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:46:51,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:46:51,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:46:51,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:46:51,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:46:51,289 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:46:51,289 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:46:51,289 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:46:51,289 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:46:51,289 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:46:51,289 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:46:51,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:46:51,289 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:46:51,289 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:46:51,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:46:51,290 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:46:51,290 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:51,290 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:46:51,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:46:51,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:46:51,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:46:51,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:46:51,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:46:51,293 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:46:51,294 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:51,294 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:46:51,294 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_b45ad212-a250-4d24-82ed-3c25085e7bd6/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 -> be684161f2dd9a695534eef1a269f21752326f2e94a4710ff06139be4b6bb635 [2024-11-13 20:46:51,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:46:51,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:46:51,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:46:51,636 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:46:51,637 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:46:51,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_bad.i Unable to find full path for "g++" [2024-11-13 20:46:53,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:46:54,083 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:46:54,087 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_bad.i [2024-11-13 20:46:54,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/data/6d56c952a/fefa3fdb429e42bf8bb9176dd056b67f/FLAGc6eeb219d [2024-11-13 20:46:54,140 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/data/6d56c952a/fefa3fdb429e42bf8bb9176dd056b67f [2024-11-13 20:46:54,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:46:54,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:46:54,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:46:54,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:46:54,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:46:54,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:46:54" (1/1) ... [2024-11-13 20:46:54,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799cb62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:54, skipping insertion in model container [2024-11-13 20:46:54,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:46:54" (1/1) ... [2024-11-13 20:46:54,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:46:55,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:46:55,443 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:46:55,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:46:55,815 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:46:55,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:55 WrapperNode [2024-11-13 20:46:55,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:46:55,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:46:55,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:46:55,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:46:55,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:55" (1/1) ... [2024-11-13 20:46:55,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:55" (1/1) ... [2024-11-13 20:46:55,917 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 50 [2024-11-13 20:46:55,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:46:55,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:46:55,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:46:55,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:46:55,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:55" (1/1) ... [2024-11-13 20:46:55,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:55" (1/1) ... [2024-11-13 20:46:55,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:55" (1/1) ... [2024-11-13 20:46:55,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:55" (1/1) ... [2024-11-13 20:46:55,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:55" (1/1) ... [2024-11-13 20:46:55,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:55" (1/1) ... [2024-11-13 20:46:55,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:55" (1/1) ... [2024-11-13 20:46:55,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:55" (1/1) ... [2024-11-13 20:46:55,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:46:55,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:46:55,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:46:55,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:46:55,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:55" (1/1) ... [2024-11-13 20:46:55,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:46:56,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:46:56,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:46:56,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:46:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:46:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:46:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:46:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:46:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:46:56,301 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:46:56,303 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:46:56,483 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 20:46:56,483 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:46:56,549 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:46:56,549 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:46:56,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:46:56 BoogieIcfgContainer [2024-11-13 20:46:56,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:46:56,550 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:46:56,550 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:46:56,563 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:46:56,563 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:46:56" (1/1) ... [2024-11-13 20:46:56,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:46:56,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:56,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:46:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:46:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:46:56,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:56,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:56,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:56,645 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:56,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:46:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:46:56,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:46:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:46:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:46:57,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:46:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:46:57,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:46:57,184 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:46:57,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:46:57 ImpRootNode [2024-11-13 20:46:57,212 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:46:57,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:46:57,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:46:57,213 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:46:57,214 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:46:56" (3/4) ... [2024-11-13 20:46:57,217 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:46:57,218 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:46:57,219 INFO L158 Benchmark]: Toolchain (without parser) took 3075.68ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 89.5MB in the beginning and 242.3MB in the end (delta: -152.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-13 20:46:57,220 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:46:57,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1669.50ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 67.6MB in the end (delta: 21.7MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-13 20:46:57,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.96ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 64.1MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:46:57,221 INFO L158 Benchmark]: Boogie Preprocessor took 46.96ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 62.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:46:57,222 INFO L158 Benchmark]: RCFGBuilder took 579.73ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 46.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:46:57,222 INFO L158 Benchmark]: CodeCheck took 662.06ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 46.8MB in the beginning and 243.0MB in the end (delta: -196.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:46:57,223 INFO L158 Benchmark]: Witness Printer took 5.52ms. Allocated memory is still 276.8MB. Free memory was 242.3MB in the beginning and 242.3MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:46:57,225 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: 0.6s, 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_predec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] CALL funcPtr(data) [L1551] --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 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1669.50ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 67.6MB in the end (delta: 21.7MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.96ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 64.1MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.96ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 62.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 579.73ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 46.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 662.06ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 46.8MB in the beginning and 243.0MB in the end (delta: -196.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.52ms. Allocated memory is still 276.8MB. Free memory was 242.3MB in the beginning and 242.3MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:46:57,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45ad212-a250-4d24-82ed-3c25085e7bd6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample