./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_32_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_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/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_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/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_da39cd70-f4f4-4898-b11a-f51ad33c57b8/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 271957050e99ff2a29b662dcc88dc7019674992156d672a97ee53cdade74cb6b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:20:17,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:20:17,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:20:17,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:20:17,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:20:18,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:20:18,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:20:18,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:20:18,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:20:18,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:20:18,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:20:18,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:20:18,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:20:18,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:20:18,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:20:18,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:20:18,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:20:18,023 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:20:18,023 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:20:18,023 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:20:18,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:20:18,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:20:18,023 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:20:18,023 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:20:18,024 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:20:18,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:20:18,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:18,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:20:18,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:20:18,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:20:18,025 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:20:18,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:20:18,025 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_da39cd70-f4f4-4898-b11a-f51ad33c57b8/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 -> 271957050e99ff2a29b662dcc88dc7019674992156d672a97ee53cdade74cb6b [2024-11-13 21:20:18,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:20:18,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:20:18,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:20:18,431 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:20:18,432 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:20:18,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_32_bad.i Unable to find full path for "g++" [2024-11-13 21:20:20,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:20:21,069 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:20:21,070 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_32_bad.i [2024-11-13 21:20:21,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/data/b4055aeaa/24fce571b7644e869877d6e8b80221be/FLAG78a50f7f0 [2024-11-13 21:20:21,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/data/b4055aeaa/24fce571b7644e869877d6e8b80221be [2024-11-13 21:20:21,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:20:21,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:20:21,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:21,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:20:21,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:20:21,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:21" (1/1) ... [2024-11-13 21:20:21,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e85ab4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:21, skipping insertion in model container [2024-11-13 21:20:21,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:21" (1/1) ... [2024-11-13 21:20:21,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:20:22,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:22,239 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:20:22,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:22,511 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:20:22,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:22 WrapperNode [2024-11-13 21:20:22,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:22,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:22,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:20:22,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:20:22,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:22" (1/1) ... [2024-11-13 21:20:22,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:22" (1/1) ... [2024-11-13 21:20:22,558 INFO L138 Inliner]: procedures = 498, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-11-13 21:20:22,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:22,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:20:22,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:20:22,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:20:22,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:22" (1/1) ... [2024-11-13 21:20:22,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:22" (1/1) ... [2024-11-13 21:20:22,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:22" (1/1) ... [2024-11-13 21:20:22,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:22" (1/1) ... [2024-11-13 21:20:22,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:22" (1/1) ... [2024-11-13 21:20:22,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:22" (1/1) ... [2024-11-13 21:20:22,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:22" (1/1) ... [2024-11-13 21:20:22,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:22" (1/1) ... [2024-11-13 21:20:22,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:20:22,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:20:22,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:20:22,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:20:22,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:22" (1/1) ... [2024-11-13 21:20:22,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:22,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:20:22,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:20:22,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:20:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:20:22,675 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:20:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:20:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:20:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:20:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:20:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:20:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:20:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:20:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:20:22,863 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:20:22,866 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:20:23,063 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 21:20:23,063 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:20:23,134 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:20:23,134 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:20:23,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:23 BoogieIcfgContainer [2024-11-13 21:20:23,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:20:23,136 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:20:23,136 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:20:23,148 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:20:23,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:23" (1/1) ... [2024-11-13 21:20:23,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:20:23,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:23,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 21:20:23,230 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 21:20:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:20:23,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:23,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:20:23,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:20:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:20:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:20:23,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:20:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:20:23,664 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:20:23,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:20:23 ImpRootNode [2024-11-13 21:20:23,697 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:20:23,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:20:23,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:20:23,698 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:20:23,699 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:23" (3/4) ... [2024-11-13 21:20:23,702 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:20:23,703 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:20:23,704 INFO L158 Benchmark]: Toolchain (without parser) took 2584.36ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 38.7MB in the end (delta: 51.8MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-13 21:20:23,704 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:23,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1391.12ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 82.1MB in the end (delta: 8.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 21:20:23,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.58ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.4MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:20:23,706 INFO L158 Benchmark]: Boogie Preprocessor took 24.20ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:23,706 INFO L158 Benchmark]: RCFGBuilder took 551.14ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 62.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:20:23,707 INFO L158 Benchmark]: CodeCheck took 561.66ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 39.2MB in the end (delta: 23.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:20:23,707 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 117.4MB. Free memory was 39.2MB in the beginning and 38.7MB in the end (delta: 584.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:23,710 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 9 NumberOfCodeBlocks, 9 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1558. 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); [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] 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] [L1582] CALL CWE191_Integer_Underflow__int_fgets_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataPtr1={11651:0}, dataPtr2={11651:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] *dataPtr1 = data [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1571] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] data * 2 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 0.48ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1391.12ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 82.1MB in the end (delta: 8.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.58ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.4MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.20ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 551.14ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 62.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 561.66ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 39.2MB in the end (delta: 23.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 117.4MB. Free memory was 39.2MB in the beginning and 38.7MB in the end (delta: 584.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:20:23,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/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_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/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_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/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_da39cd70-f4f4-4898-b11a-f51ad33c57b8/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 271957050e99ff2a29b662dcc88dc7019674992156d672a97ee53cdade74cb6b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:20:26,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:20:27,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:20:27,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:20:27,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:20:27,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:20:27,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:20:27,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:20:27,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:20:27,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:20:27,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:20:27,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:20:27,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:20:27,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:20:27,126 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:20:27,128 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:20:27,128 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:20:27,128 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:20:27,128 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:20:27,128 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:20:27,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:20:27,129 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:20:27,129 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:20:27,129 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:20:27,129 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:20:27,129 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:20:27,129 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:20:27,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:20:27,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:27,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:20:27,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:20:27,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:20:27,130 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:20:27,130 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:20:27,131 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:20:27,131 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_da39cd70-f4f4-4898-b11a-f51ad33c57b8/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 -> 271957050e99ff2a29b662dcc88dc7019674992156d672a97ee53cdade74cb6b [2024-11-13 21:20:27,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:20:27,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:20:27,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:20:27,489 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:20:27,490 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:20:27,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_32_bad.i Unable to find full path for "g++" [2024-11-13 21:20:29,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:20:30,254 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:20:30,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_32_bad.i [2024-11-13 21:20:30,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/data/13a620009/5369c61db89a438694d545434173b841/FLAG2ac66932e [2024-11-13 21:20:30,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/data/13a620009/5369c61db89a438694d545434173b841 [2024-11-13 21:20:30,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:20:30,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:20:30,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:30,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:20:30,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:20:30,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:30" (1/1) ... [2024-11-13 21:20:30,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65dd2dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:30, skipping insertion in model container [2024-11-13 21:20:30,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:30" (1/1) ... [2024-11-13 21:20:30,435 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:20:31,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:31,978 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:20:32,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:32,368 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:20:32,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:32 WrapperNode [2024-11-13 21:20:32,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:32,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:32,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:20:32,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:20:32,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:32" (1/1) ... [2024-11-13 21:20:32,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:32" (1/1) ... [2024-11-13 21:20:32,443 INFO L138 Inliner]: procedures = 503, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2024-11-13 21:20:32,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:32,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:20:32,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:20:32,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:20:32,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:32" (1/1) ... [2024-11-13 21:20:32,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:32" (1/1) ... [2024-11-13 21:20:32,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:32" (1/1) ... [2024-11-13 21:20:32,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:32" (1/1) ... [2024-11-13 21:20:32,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:32" (1/1) ... [2024-11-13 21:20:32,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:32" (1/1) ... [2024-11-13 21:20:32,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:32" (1/1) ... [2024-11-13 21:20:32,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:32" (1/1) ... [2024-11-13 21:20:32,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:20:32,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:20:32,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:20:32,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:20:32,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:32" (1/1) ... [2024-11-13 21:20:32,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:32,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:20:32,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:20:32,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:20:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:20:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:20:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:20:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:20:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:20:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:20:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:20:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:20:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:20:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:20:32,758 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:20:32,761 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:20:32,995 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 21:20:32,995 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:20:33,053 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:20:33,053 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:20:33,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:33 BoogieIcfgContainer [2024-11-13 21:20:33,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:20:33,055 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:20:33,055 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:20:33,070 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:20:33,070 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:33" (1/1) ... [2024-11-13 21:20:33,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:20:33,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 21:20:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 21:20:33,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:20:33,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:33,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:20:33,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:20:33,173 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:20:33,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:20:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:20:33,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:20:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:20:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:20:33,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:20:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:20:34,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:20:34,069 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:20:34,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:20:34 ImpRootNode [2024-11-13 21:20:34,114 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:20:34,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:20:34,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:20:34,118 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:20:34,119 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:33" (3/4) ... [2024-11-13 21:20:34,123 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:20:34,124 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:20:34,128 INFO L158 Benchmark]: Toolchain (without parser) took 3793.91ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 70.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-13 21:20:34,128 INFO L158 Benchmark]: CDTParser took 4.30ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:34,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2036.38ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 67.1MB in the end (delta: 21.8MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-11-13 21:20:34,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.83ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 64.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:34,132 INFO L158 Benchmark]: Boogie Preprocessor took 42.36ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 62.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:34,133 INFO L158 Benchmark]: RCFGBuilder took 566.28ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 45.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:20:34,133 INFO L158 Benchmark]: CodeCheck took 1059.33ms. Allocated memory is still 117.4MB. Free memory was 44.9MB in the beginning and 71.4MB in the end (delta: -26.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:34,133 INFO L158 Benchmark]: Witness Printer took 9.21ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 70.7MB in the end (delta: 689.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:34,139 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1558. 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); [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] 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] [L1582] CALL CWE191_Integer_Underflow__int_fgets_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataPtr1={5:0}, dataPtr2={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] *dataPtr1 = data [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1571] COND TRUE data < 0 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] [L1573] data * 2 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 4.30ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2036.38ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 67.1MB in the end (delta: 21.8MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.83ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 64.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.36ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 62.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 566.28ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 45.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1059.33ms. Allocated memory is still 117.4MB. Free memory was 44.9MB in the beginning and 71.4MB in the end (delta: -26.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.21ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 70.7MB in the end (delta: 689.2kB). 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 21:20:34,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da39cd70-f4f4-4898-b11a-f51ad33c57b8/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