./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/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_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/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_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/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 0e54e85bcbc97d5ef7d6dfe8d972d3f577dbabd923aa5a4e938534128011b6de --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:53,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:53,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:17:53,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:53,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:53,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:53,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:53,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:53,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:53,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:53,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:53,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:53,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:53,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:53,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:53,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:53,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:53,751 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:53,751 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:53,751 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:53,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:53,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:53,752 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:53,752 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:53,752 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:53,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:53,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:53,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:53,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:53,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:53,753 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:53,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:53,753 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_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/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 -> 0e54e85bcbc97d5ef7d6dfe8d972d3f577dbabd923aa5a4e938534128011b6de [2024-11-13 20:17:54,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:54,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:54,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:54,123 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:54,123 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:54,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_10_bad.i Unable to find full path for "g++" [2024-11-13 20:17:56,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:56,733 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:56,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_10_bad.i [2024-11-13 20:17:56,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/data/3b1779f10/a33726ea2173493db92ddbcc4f44e6ce/FLAGef161717e [2024-11-13 20:17:56,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/data/3b1779f10/a33726ea2173493db92ddbcc4f44e6ce [2024-11-13 20:17:56,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:56,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:56,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:56,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:56,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:56,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fbc88e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56, skipping insertion in model container [2024-11-13 20:17:56,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:57,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:57,889 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:58,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:58,240 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:58,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:58 WrapperNode [2024-11-13 20:17:58,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:58,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:58,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:58,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:58,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:58" (1/1) ... [2024-11-13 20:17:58,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:58" (1/1) ... [2024-11-13 20:17:58,304 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-13 20:17:58,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:58,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:58,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:58,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:58,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:58" (1/1) ... [2024-11-13 20:17:58,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:58" (1/1) ... [2024-11-13 20:17:58,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:58" (1/1) ... [2024-11-13 20:17:58,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:58" (1/1) ... [2024-11-13 20:17:58,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:58" (1/1) ... [2024-11-13 20:17:58,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:58" (1/1) ... [2024-11-13 20:17:58,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:58" (1/1) ... [2024-11-13 20:17:58,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:58" (1/1) ... [2024-11-13 20:17:58,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:58,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:58,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:58,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:58,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:58" (1/1) ... [2024-11-13 20:17:58,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:58,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:58,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:58,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:58,669 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:58,672 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:58,832 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:58,832 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:58,909 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:58,909 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:58,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:58 BoogieIcfgContainer [2024-11-13 20:17:58,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:58,910 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:58,910 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:58,923 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:58,923 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:58" (1/1) ... [2024-11-13 20:17:58,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:58,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:17:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:17:59,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:59,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:59,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:59,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:59,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:59,339 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:17:59,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:59 ImpRootNode [2024-11-13 20:17:59,368 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:59,372 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:59,372 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:59,373 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:59,373 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:58" (3/4) ... [2024-11-13 20:17:59,375 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:59,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:59,377 INFO L158 Benchmark]: Toolchain (without parser) took 2581.80ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 51.1MB in the end (delta: 38.1MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:59,377 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:59,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1444.95ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 81.7MB in the end (delta: 7.4MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 20:17:59,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.70ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 79.2MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:59,378 INFO L158 Benchmark]: Boogie Preprocessor took 45.31ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.5MB in the end (delta: 695.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:59,379 INFO L158 Benchmark]: RCFGBuilder took 558.22ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 64.9MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:59,380 INFO L158 Benchmark]: CodeCheck took 458.21ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 51.8MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:59,380 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 117.4MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:59,383 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1444.95ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 81.7MB in the end (delta: 7.4MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.70ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 79.2MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.31ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.5MB in the end (delta: 695.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.22ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 64.9MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 458.21ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 51.8MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.64ms. Allocated memory is still 117.4MB. Free memory is still 51.1MB. 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 20:17:59,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/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_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/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_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/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_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/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 0e54e85bcbc97d5ef7d6dfe8d972d3f577dbabd923aa5a4e938534128011b6de --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:18:02,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:18:03,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:18:03,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:18:03,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:18:03,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:18:03,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:18:03,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:18:03,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:18:03,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:18:03,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:18:03,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:18:03,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:18:03,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:18:03,068 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:18:03,068 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:18:03,068 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:18:03,068 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:18:03,068 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:18:03,069 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:18:03,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:18:03,069 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:18:03,069 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:18:03,069 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:18:03,069 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:18:03,070 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:03,070 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:18:03,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:18:03,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:03,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:18:03,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:18:03,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:18:03,071 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:18:03,071 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:03,071 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:18:03,071 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_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/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 -> 0e54e85bcbc97d5ef7d6dfe8d972d3f577dbabd923aa5a4e938534128011b6de [2024-11-13 20:18:03,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:18:03,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:18:03,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:18:03,409 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:18:03,410 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:18:03,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_10_bad.i Unable to find full path for "g++" [2024-11-13 20:18:05,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:18:06,160 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:18:06,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_10_bad.i [2024-11-13 20:18:06,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/data/297b821df/12526d1317924ee38263dc2c62bf6ba8/FLAGc23ea5374 [2024-11-13 20:18:06,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/data/297b821df/12526d1317924ee38263dc2c62bf6ba8 [2024-11-13 20:18:06,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:18:06,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:18:06,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:06,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:18:06,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:18:06,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:06" (1/1) ... [2024-11-13 20:18:06,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c00b094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:06, skipping insertion in model container [2024-11-13 20:18:06,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:06" (1/1) ... [2024-11-13 20:18:06,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:18:07,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:07,328 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:18:07,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:07,648 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:18:07,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:07 WrapperNode [2024-11-13 20:18:07,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:07,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:07,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:18:07,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:18:07,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:07" (1/1) ... [2024-11-13 20:18:07,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:07" (1/1) ... [2024-11-13 20:18:07,733 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-13 20:18:07,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:07,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:18:07,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:18:07,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:18:07,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:07" (1/1) ... [2024-11-13 20:18:07,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:07" (1/1) ... [2024-11-13 20:18:07,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:07" (1/1) ... [2024-11-13 20:18:07,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:07" (1/1) ... [2024-11-13 20:18:07,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:07" (1/1) ... [2024-11-13 20:18:07,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:07" (1/1) ... [2024-11-13 20:18:07,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:07" (1/1) ... [2024-11-13 20:18:07,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:07" (1/1) ... [2024-11-13 20:18:07,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:18:07,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:18:07,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:18:07,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:18:07,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:07" (1/1) ... [2024-11-13 20:18:07,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:07,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:18:07,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:18:07,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:18:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:18:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:18:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:18:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:18:07,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:18:08,157 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:18:08,160 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:18:08,346 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 20:18:08,346 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:18:08,443 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:18:08,445 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:18:08,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:08 BoogieIcfgContainer [2024-11-13 20:18:08,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:18:08,451 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:18:08,451 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:18:08,464 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:18:08,465 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:08" (1/1) ... [2024-11-13 20:18:08,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:18:08,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:18:08,546 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:18:08,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:18:08,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:08,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:08,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:08,558 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:08,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:18:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:08,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:18:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:08,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:18:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:09,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:18:09,049 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:18:09,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:18:09 ImpRootNode [2024-11-13 20:18:09,096 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:18:09,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:18:09,098 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:18:09,098 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:18:09,099 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:08" (3/4) ... [2024-11-13 20:18:09,103 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:18:09,105 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:18:09,106 INFO L158 Benchmark]: Toolchain (without parser) took 2869.63ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 84.1MB in the end (delta: 8.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-13 20:18:09,107 INFO L158 Benchmark]: CDTParser took 3.17ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:09,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1410.86ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 78.9MB in the end (delta: 13.0MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 20:18:09,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.46ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:09,113 INFO L158 Benchmark]: Boogie Preprocessor took 57.20ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:09,113 INFO L158 Benchmark]: RCFGBuilder took 656.84ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 59.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:18:09,114 INFO L158 Benchmark]: CodeCheck took 645.56ms. Allocated memory is still 117.4MB. Free memory was 59.5MB in the beginning and 84.7MB in the end (delta: -25.2MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-11-13 20:18:09,114 INFO L158 Benchmark]: Witness Printer took 7.63ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 84.1MB in the end (delta: 614.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:09,119 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 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 3.17ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1410.86ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 78.9MB in the end (delta: 13.0MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.46ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.20ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 656.84ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 59.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 645.56ms. Allocated memory is still 117.4MB. Free memory was 59.5MB in the beginning and 84.7MB in the end (delta: -25.2MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * Witness Printer took 7.63ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 84.1MB in the end (delta: 614.8kB). 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 20:18:09,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c258ac3d-29d4-45a0-87f4-abb2c897c0cf/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