./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_07_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_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/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_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/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_bd98ab29-0093-4263-9a73-9ce26b360bcf/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 fa5836aa0af18082c369b87af434906a3830fe9d29b8b61fdf47f6b10fed1171 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:31:26,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:31:26,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:31:26,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:31:26,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:31:26,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:31:26,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:31:26,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:31:26,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:31:26,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:31:26,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:31:26,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:31:26,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:31:26,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:31:26,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:31:26,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:31:26,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:31:26,678 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:31:26,678 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:31:26,678 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:31:26,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:31:26,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:31:26,679 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:31:26,679 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:31:26,679 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:31:26,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:31:26,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:26,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:31:26,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:31:26,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:31:26,680 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:31:26,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:31:26,680 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_bd98ab29-0093-4263-9a73-9ce26b360bcf/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 -> fa5836aa0af18082c369b87af434906a3830fe9d29b8b61fdf47f6b10fed1171 [2024-11-13 20:31:26,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:31:26,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:31:26,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:31:26,999 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:31:27,000 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:31:27,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_07_bad.i Unable to find full path for "g++" [2024-11-13 20:31:28,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:31:29,337 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:31:29,338 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_07_bad.i [2024-11-13 20:31:29,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/data/02ae29615/b9cd29224e884a25ab56dcbcf1653985/FLAG9576e9dde [2024-11-13 20:31:29,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/data/02ae29615/b9cd29224e884a25ab56dcbcf1653985 [2024-11-13 20:31:29,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:31:29,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:31:29,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:29,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:31:29,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:31:29,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:29" (1/1) ... [2024-11-13 20:31:29,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44cddc4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:29, skipping insertion in model container [2024-11-13 20:31:29,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:29" (1/1) ... [2024-11-13 20:31:29,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:31:30,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:30,322 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:31:30,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:30,554 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:31:30,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30 WrapperNode [2024-11-13 20:31:30,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:30,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:30,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:31:30,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:31:30,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,620 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-13 20:31:30,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:30,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:31:30,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:31:30,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:31:30,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:31:30,658 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:31:30,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:31:30,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:31:30,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:30,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:31:30,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:31:30,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:31:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:31:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:31:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:31:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:31:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:31:30,938 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:31:30,940 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:31:31,059 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 20:31:31,059 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:31:31,102 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:31:31,103 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:31:31,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:31 BoogieIcfgContainer [2024-11-13 20:31:31,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:31:31,104 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:31:31,104 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:31:31,113 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:31:31,114 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:31" (1/1) ... [2024-11-13 20:31:31,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:31:31,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:31:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:31:31,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:31:31,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:31,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:31,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:31,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:31,463 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:31:31,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:31:31 ImpRootNode [2024-11-13 20:31:31,490 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:31:31,491 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:31:31,491 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:31:31,491 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:31:31,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:31" (3/4) ... [2024-11-13 20:31:31,500 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:31:31,501 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:31:31,502 INFO L158 Benchmark]: Toolchain (without parser) took 2099.65ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 93.8MB in the end (delta: 22.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-13 20:31:31,505 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:31,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1153.07ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 56.3MB in the end (delta: 59.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 20:31:31,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.55ms. Allocated memory is still 142.6MB. Free memory was 56.3MB in the beginning and 53.6MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:31,506 INFO L158 Benchmark]: Boogie Preprocessor took 36.34ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 52.9MB in the end (delta: 686.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:31,507 INFO L158 Benchmark]: RCFGBuilder took 444.84ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 108.5MB in the end (delta: -55.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-13 20:31:31,511 INFO L158 Benchmark]: CodeCheck took 386.66ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 93.8MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:31:31,511 INFO L158 Benchmark]: Witness Printer took 10.54ms. Allocated memory is still 142.6MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:31,513 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: 1560]: 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 1569. 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); [L1548] static int staticFive = 5; [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_predec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1557] COND TRUE staticFive==5 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, staticFive=5] [L1560] --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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1153.07ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 56.3MB in the end (delta: 59.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.55ms. Allocated memory is still 142.6MB. Free memory was 56.3MB in the beginning and 53.6MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.34ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 52.9MB in the end (delta: 686.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 444.84ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 108.5MB in the end (delta: -55.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * CodeCheck took 386.66ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 93.8MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 10.54ms. Allocated memory is still 142.6MB. Free memory is still 93.8MB. 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 20:31:31,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/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_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/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_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/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_bd98ab29-0093-4263-9a73-9ce26b360bcf/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 fa5836aa0af18082c369b87af434906a3830fe9d29b8b61fdf47f6b10fed1171 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:31:34,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:31:34,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:31:34,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:31:34,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:31:34,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:31:34,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:31:34,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:31:34,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:31:34,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:31:34,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:31:34,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:31:34,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:31:34,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:31:34,209 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:31:34,209 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:31:34,209 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:31:34,209 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:31:34,209 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:31:34,209 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:31:34,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:31:34,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:31:34,210 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:31:34,210 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:31:34,210 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:31:34,210 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:34,210 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:31:34,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:31:34,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:34,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:31:34,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:31:34,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:31:34,211 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:31:34,211 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:34,211 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:31:34,211 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_bd98ab29-0093-4263-9a73-9ce26b360bcf/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 -> fa5836aa0af18082c369b87af434906a3830fe9d29b8b61fdf47f6b10fed1171 [2024-11-13 20:31:34,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:31:34,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:31:34,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:31:34,576 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:31:34,577 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:31:34,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_07_bad.i Unable to find full path for "g++" [2024-11-13 20:31:36,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:31:36,909 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:31:36,909 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_07_bad.i [2024-11-13 20:31:36,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/data/901941287/3fe71d3ff2a54043b7d562c05f77f890/FLAGd78d786a4 [2024-11-13 20:31:36,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/data/901941287/3fe71d3ff2a54043b7d562c05f77f890 [2024-11-13 20:31:36,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:31:36,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:31:36,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:36,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:31:36,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:31:36,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:36" (1/1) ... [2024-11-13 20:31:36,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19547e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:36, skipping insertion in model container [2024-11-13 20:31:36,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:36" (1/1) ... [2024-11-13 20:31:37,014 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:31:37,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:37,894 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:31:38,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:38,171 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:31:38,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:38 WrapperNode [2024-11-13 20:31:38,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:38,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:38,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:31:38,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:31:38,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:38" (1/1) ... [2024-11-13 20:31:38,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:38" (1/1) ... [2024-11-13 20:31:38,240 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-13 20:31:38,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:38,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:31:38,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:31:38,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:31:38,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:38" (1/1) ... [2024-11-13 20:31:38,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:38" (1/1) ... [2024-11-13 20:31:38,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:38" (1/1) ... [2024-11-13 20:31:38,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:38" (1/1) ... [2024-11-13 20:31:38,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:38" (1/1) ... [2024-11-13 20:31:38,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:38" (1/1) ... [2024-11-13 20:31:38,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:38" (1/1) ... [2024-11-13 20:31:38,276 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:38" (1/1) ... [2024-11-13 20:31:38,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:31:38,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:31:38,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:31:38,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:31:38,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:38" (1/1) ... [2024-11-13 20:31:38,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:38,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:31:38,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:31:38,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:31:38,343 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:31:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:31:38,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:31:38,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:31:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:31:38,545 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:31:38,546 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:31:38,684 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 20:31:38,684 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:31:38,763 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:31:38,765 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:31:38,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:38 BoogieIcfgContainer [2024-11-13 20:31:38,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:31:38,767 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:31:38,768 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:31:38,781 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:31:38,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:38" (1/1) ... [2024-11-13 20:31:38,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:31:38,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:31:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:31:38,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:31:38,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:38,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:38,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:38,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:38,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:31:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:39,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:39,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:39,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:31:39,233 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:31:39,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:31:39 ImpRootNode [2024-11-13 20:31:39,266 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:31:39,267 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:31:39,267 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:31:39,267 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:31:39,268 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:38" (3/4) ... [2024-11-13 20:31:39,272 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:31:39,273 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:31:39,274 INFO L158 Benchmark]: Toolchain (without parser) took 2310.67ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 37.3MB in the end (delta: 52.0MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-13 20:31:39,274 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:39,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1207.19ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 70.7MB in the end (delta: 18.7MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 20:31:39,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.10ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 67.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:39,277 INFO L158 Benchmark]: Boogie Preprocessor took 37.37ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 66.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:39,278 INFO L158 Benchmark]: RCFGBuilder took 486.19ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 50.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:31:39,278 INFO L158 Benchmark]: CodeCheck took 499.32ms. Allocated memory is still 117.4MB. Free memory was 50.6MB in the beginning and 37.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:39,278 INFO L158 Benchmark]: Witness Printer took 5.80ms. Allocated memory is still 117.4MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:39,280 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: 1560]: 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 1569. 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); [L1548] static int staticFive = 5; [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_predec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1557] COND TRUE staticFive==5 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, staticFive=5] [L1560] --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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1207.19ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 70.7MB in the end (delta: 18.7MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.10ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 67.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.37ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 66.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 486.19ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 50.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 499.32ms. Allocated memory is still 117.4MB. Free memory was 50.6MB in the beginning and 37.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.80ms. Allocated memory is still 117.4MB. Free memory is still 37.3MB. 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 20:31:39,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd98ab29-0093-4263-9a73-9ce26b360bcf/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