./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_13_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_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/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_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/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_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/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 fbdc6bd5b0e7433cf0a468ec233a0286358ba240a2ea85c7326613015494fa60 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:48:04,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:48:04,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:48:04,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:48:04,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:48:04,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:48:04,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:48:04,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:48:04,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:48:04,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:48:04,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:48:04,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:48:04,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:48:04,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:48:04,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:48:04,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:48:04,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:48:04,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:48:04,337 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:48:04,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:48:04,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:48:04,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:48:04,337 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:48:04,339 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:48:04,339 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:48:04,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:48:04,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:48:04,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:48:04,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:48:04,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:48:04,340 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:48:04,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:48:04,340 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_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/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 -> fbdc6bd5b0e7433cf0a468ec233a0286358ba240a2ea85c7326613015494fa60 [2024-11-13 22:48:04,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:48:04,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:48:04,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:48:04,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:48:04,700 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:48:04,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_13_bad.i Unable to find full path for "g++" [2024-11-13 22:48:06,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:48:07,107 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:48:07,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_13_bad.i [2024-11-13 22:48:07,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/data/0db06d6fc/118d49a8b3b343ca8d8a44f43464fe2a/FLAG1674f32a3 [2024-11-13 22:48:07,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/data/0db06d6fc/118d49a8b3b343ca8d8a44f43464fe2a [2024-11-13 22:48:07,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:48:07,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:48:07,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:48:07,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:48:07,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:48:07,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:48:07" (1/1) ... [2024-11-13 22:48:07,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67be2167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:07, skipping insertion in model container [2024-11-13 22:48:07,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:48:07" (1/1) ... [2024-11-13 22:48:07,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:48:08,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:48:08,183 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:48:08,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:48:08,490 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:48:08,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:08 WrapperNode [2024-11-13 22:48:08,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:48:08,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:48:08,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:48:08,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:48:08,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:08" (1/1) ... [2024-11-13 22:48:08,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:08" (1/1) ... [2024-11-13 22:48:08,562 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-13 22:48:08,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:48:08,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:48:08,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:48:08,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:48:08,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:08" (1/1) ... [2024-11-13 22:48:08,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:08" (1/1) ... [2024-11-13 22:48:08,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:08" (1/1) ... [2024-11-13 22:48:08,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:08" (1/1) ... [2024-11-13 22:48:08,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:08" (1/1) ... [2024-11-13 22:48:08,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:08" (1/1) ... [2024-11-13 22:48:08,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:08" (1/1) ... [2024-11-13 22:48:08,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:08" (1/1) ... [2024-11-13 22:48:08,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:48:08,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:48:08,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:48:08,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:48:08,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:08" (1/1) ... [2024-11-13 22:48:08,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:48:08,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:48:08,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:48:08,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:48:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:48:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:48:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:48:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:48:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:48:08,892 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:48:08,893 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:48:09,013 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 22:48:09,013 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:48:09,088 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:48:09,088 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:48:09,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:09 BoogieIcfgContainer [2024-11-13 22:48:09,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:48:09,089 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:48:09,089 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:48:09,099 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:48:09,100 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:09" (1/1) ... [2024-11-13 22:48:09,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:48:09,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:48:09,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:48:09,178 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:48:09,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:48:09,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:48:09,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:48:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:48:09,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:48:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:48:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:48:09,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:48:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:48:09,395 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:48:09,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:48:09 ImpRootNode [2024-11-13 22:48:09,426 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:48:09,429 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:48:09,429 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:48:09,429 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:48:09,430 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:09" (3/4) ... [2024-11-13 22:48:09,434 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:48:09,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:48:09,438 INFO L158 Benchmark]: Toolchain (without parser) took 2270.06ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 49.1MB in the end (delta: 40.0MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-13 22:48:09,440 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:09,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1320.34ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 80.2MB in the end (delta: 8.6MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2024-11-13 22:48:09,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.34ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:09,442 INFO L158 Benchmark]: Boogie Preprocessor took 40.53ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:09,443 INFO L158 Benchmark]: RCFGBuilder took 479.92ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 62.8MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:48:09,445 INFO L158 Benchmark]: CodeCheck took 336.78ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 49.1MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:48:09,445 INFO L158 Benchmark]: Witness Printer took 8.70ms. Allocated memory is still 117.4MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:09,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_postdec_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1556] COND TRUE GLOBAL_CONST_FIVE==5 [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1320.34ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 80.2MB in the end (delta: 8.6MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.34ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.53ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 479.92ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 62.8MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 336.78ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 49.1MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 8.70ms. Allocated memory is still 117.4MB. Free memory is still 49.1MB. 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 22:48:09,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/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_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/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_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/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_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/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 fbdc6bd5b0e7433cf0a468ec233a0286358ba240a2ea85c7326613015494fa60 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:48:12,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:48:12,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:48:12,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:48:12,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:48:12,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:48:12,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:48:12,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:48:12,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:48:12,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:48:12,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:48:12,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:48:12,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:48:12,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:48:12,496 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:48:12,496 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:48:12,496 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:48:12,497 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:48:12,497 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:48:12,497 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:48:12,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:48:12,497 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:48:12,497 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:48:12,497 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:48:12,497 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:48:12,497 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:48:12,498 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:48:12,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:48:12,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:48:12,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:48:12,498 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:48:12,498 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:48:12,498 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:48:12,498 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:48:12,500 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:48:12,500 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_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/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 -> fbdc6bd5b0e7433cf0a468ec233a0286358ba240a2ea85c7326613015494fa60 [2024-11-13 22:48:12,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:48:12,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:48:12,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:48:12,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:48:12,855 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:48:12,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_13_bad.i Unable to find full path for "g++" [2024-11-13 22:48:14,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:48:15,121 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:48:15,122 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_13_bad.i [2024-11-13 22:48:15,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/data/02967ba1f/afe404c838b547a3a2f5f9605a0853e5/FLAGa9fd54c75 [2024-11-13 22:48:15,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/data/02967ba1f/afe404c838b547a3a2f5f9605a0853e5 [2024-11-13 22:48:15,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:48:15,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:48:15,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:48:15,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:48:15,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:48:15,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:48:15" (1/1) ... [2024-11-13 22:48:15,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3739fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:15, skipping insertion in model container [2024-11-13 22:48:15,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:48:15" (1/1) ... [2024-11-13 22:48:15,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:48:16,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:48:16,323 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:48:16,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:48:16,625 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:48:16,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:16 WrapperNode [2024-11-13 22:48:16,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:48:16,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:48:16,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:48:16,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:48:16,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:16" (1/1) ... [2024-11-13 22:48:16,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:16" (1/1) ... [2024-11-13 22:48:16,702 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-13 22:48:16,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:48:16,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:48:16,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:48:16,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:48:16,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:16" (1/1) ... [2024-11-13 22:48:16,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:16" (1/1) ... [2024-11-13 22:48:16,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:16" (1/1) ... [2024-11-13 22:48:16,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:16" (1/1) ... [2024-11-13 22:48:16,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:16" (1/1) ... [2024-11-13 22:48:16,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:16" (1/1) ... [2024-11-13 22:48:16,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:16" (1/1) ... [2024-11-13 22:48:16,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:16" (1/1) ... [2024-11-13 22:48:16,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:48:16,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:48:16,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:48:16,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:48:16,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:16" (1/1) ... [2024-11-13 22:48:16,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:48:16,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:48:16,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:48:16,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:48:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:48:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:48:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:48:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:48:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:48:17,014 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:48:17,018 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:48:17,171 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:48:17,171 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:48:17,246 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:48:17,246 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:48:17,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:17 BoogieIcfgContainer [2024-11-13 22:48:17,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:48:17,247 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:48:17,248 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:48:17,258 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:48:17,258 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:17" (1/1) ... [2024-11-13 22:48:17,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:48:17,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:48:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:48:17,331 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:48:17,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:48:17,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:48:17,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:48:17,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:48:17,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:48:17,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:48:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:48:17,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:48:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:48:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:48:17,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:48:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:48:17,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:48:17,660 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:48:17,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:48:17 ImpRootNode [2024-11-13 22:48:17,690 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:48:17,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:48:17,692 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:48:17,692 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:48:17,693 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:17" (3/4) ... [2024-11-13 22:48:17,697 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:48:17,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:48:17,702 INFO L158 Benchmark]: Toolchain (without parser) took 2370.25ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 42.3MB in the end (delta: 14.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-13 22:48:17,703 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:17,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1295.42ms. Allocated memory is still 83.9MB. Free memory was 56.4MB in the beginning and 51.2MB in the end (delta: 5.2MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 22:48:17,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.37ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:17,704 INFO L158 Benchmark]: Boogie Preprocessor took 33.89ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 47.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:17,704 INFO L158 Benchmark]: RCFGBuilder took 509.66ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 31.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:48:17,708 INFO L158 Benchmark]: CodeCheck took 443.12ms. Allocated memory is still 83.9MB. Free memory was 31.4MB in the beginning and 42.3MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:17,709 INFO L158 Benchmark]: Witness Printer took 7.54ms. Allocated memory is still 83.9MB. Free memory was 42.3MB in the beginning and 42.3MB in the end (delta: 10.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:17,711 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_postdec_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1556] COND TRUE GLOBAL_CONST_FIVE==5 [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1295.42ms. Allocated memory is still 83.9MB. Free memory was 56.4MB in the beginning and 51.2MB in the end (delta: 5.2MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.37ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.89ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 47.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 509.66ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 31.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 443.12ms. Allocated memory is still 83.9MB. Free memory was 31.4MB in the beginning and 42.3MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.54ms. Allocated memory is still 83.9MB. Free memory was 42.3MB in the beginning and 42.3MB in the end (delta: 10.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:48:17,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed56920-baa5-4eb0-9c7b-064d97bf7ceb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample