./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_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_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/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_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/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_93f2edbb-c740-4e65-a2e0-baa94a419c29/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 23cf0ffb9f962a6694e05d9cf94d91f079ea00e3188ad6187a3f8468cfb1f91c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:34:42,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:34:42,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:34:42,196 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:34:42,196 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:34:42,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:34:42,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:34:42,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:34:42,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:34:42,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:34:42,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:34:42,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:34:42,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:34:42,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:34:42,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:34:42,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:34:42,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:34:42,242 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:34:42,243 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:34:42,243 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:34:42,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:34:42,243 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:34:42,243 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:34:42,244 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:34:42,244 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:34:42,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:34:42,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:42,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:34:42,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:34:42,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:34:42,245 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:34:42,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:34:42,245 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_93f2edbb-c740-4e65-a2e0-baa94a419c29/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 -> 23cf0ffb9f962a6694e05d9cf94d91f079ea00e3188ad6187a3f8468cfb1f91c [2024-11-13 20:34:42,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:34:42,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:34:42,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:34:42,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:34:42,606 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:34:42,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i Unable to find full path for "g++" [2024-11-13 20:34:44,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:34:45,073 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:34:45,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i [2024-11-13 20:34:45,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/data/23b1ab66b/b118f30b674b43ad98a0435078dd9df8/FLAG2150c518e [2024-11-13 20:34:45,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/data/23b1ab66b/b118f30b674b43ad98a0435078dd9df8 [2024-11-13 20:34:45,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:34:45,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:34:45,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:45,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:34:45,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:34:45,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:45" (1/1) ... [2024-11-13 20:34:45,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578c838f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:45, skipping insertion in model container [2024-11-13 20:34:45,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:45" (1/1) ... [2024-11-13 20:34:45,214 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:34:46,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:46,157 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:34:46,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:46,477 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:34:46,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:46 WrapperNode [2024-11-13 20:34:46,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:46,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:46,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:34:46,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:34:46,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:46" (1/1) ... [2024-11-13 20:34:46,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:46" (1/1) ... [2024-11-13 20:34:46,526 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-13 20:34:46,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:46,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:34:46,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:34:46,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:34:46,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:46" (1/1) ... [2024-11-13 20:34:46,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:46" (1/1) ... [2024-11-13 20:34:46,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:46" (1/1) ... [2024-11-13 20:34:46,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:46" (1/1) ... [2024-11-13 20:34:46,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:46" (1/1) ... [2024-11-13 20:34:46,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:46" (1/1) ... [2024-11-13 20:34:46,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:46" (1/1) ... [2024-11-13 20:34:46,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:46" (1/1) ... [2024-11-13 20:34:46,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:34:46,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:34:46,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:34:46,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:34:46,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:46" (1/1) ... [2024-11-13 20:34:46,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:46,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:34:46,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:34:46,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:34:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:34:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:34:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:34:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:34:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:34:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:34:46,744 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:34:46,745 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:34:46,874 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 20:34:46,875 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:34:46,909 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:34:46,909 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:34:46,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:46 BoogieIcfgContainer [2024-11-13 20:34:46,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:34:46,910 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:34:46,910 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:34:46,921 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:34:46,921 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:46" (1/1) ... [2024-11-13 20:34:46,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:34:46,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:46,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 20:34:46,997 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 20:34:47,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:34:47,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:47,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:47,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:34:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:47,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:34:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:47,381 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:34:47,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:34:47 ImpRootNode [2024-11-13 20:34:47,422 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:34:47,424 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:34:47,424 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:34:47,424 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:34:47,424 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:46" (3/4) ... [2024-11-13 20:34:47,427 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:34:47,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:34:47,430 INFO L158 Benchmark]: Toolchain (without parser) took 2296.44ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 43.5MB in the end (delta: 46.2MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-13 20:34:47,430 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:47,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1343.87ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 81.2MB in the end (delta: 8.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 20:34:47,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.27ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:47,431 INFO L158 Benchmark]: Boogie Preprocessor took 23.29ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.8MB in the end (delta: 573.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:47,432 INFO L158 Benchmark]: RCFGBuilder took 359.10ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 63.3MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:47,436 INFO L158 Benchmark]: CodeCheck took 511.81ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 43.5MB in the end (delta: 19.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:34:47,437 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 117.4MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:47,439 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: 0.4s, 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, 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1554. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] int dataCopy = data; [L1565] int data = dataCopy; 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] [L1566] 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] [L1568] 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 0.33ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1343.87ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 81.2MB in the end (delta: 8.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.27ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.29ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.8MB in the end (delta: 573.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 359.10ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 63.3MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 511.81ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 43.5MB in the end (delta: 19.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 117.4MB. Free memory is still 43.5MB. 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 20:34:47,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/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_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/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_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/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_93f2edbb-c740-4e65-a2e0-baa94a419c29/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 23cf0ffb9f962a6694e05d9cf94d91f079ea00e3188ad6187a3f8468cfb1f91c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:34:50,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:34:50,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:34:50,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:34:50,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:34:50,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:34:50,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:34:50,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:34:50,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:34:50,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:34:50,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:34:50,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:34:50,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:34:50,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:34:50,482 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:34:50,482 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:34:50,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:34:50,483 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:34:50,483 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:34:50,483 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:34:50,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:34:50,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:34:50,483 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:34:50,483 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:34:50,483 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:34:50,483 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:50,483 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:34:50,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:34:50,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:50,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:34:50,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:34:50,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:34:50,484 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:34:50,484 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:50,484 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:34:50,484 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_93f2edbb-c740-4e65-a2e0-baa94a419c29/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 -> 23cf0ffb9f962a6694e05d9cf94d91f079ea00e3188ad6187a3f8468cfb1f91c [2024-11-13 20:34:50,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:34:50,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:34:50,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:34:50,820 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:34:50,820 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:34:50,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i Unable to find full path for "g++" [2024-11-13 20:34:52,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:34:53,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:34:53,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i [2024-11-13 20:34:53,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/data/0bdb691d6/a3301b37c7b04e93a36de2e4b8a7485b/FLAG0fa97cefe [2024-11-13 20:34:53,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/data/0bdb691d6/a3301b37c7b04e93a36de2e4b8a7485b [2024-11-13 20:34:53,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:34:53,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:34:53,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:53,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:34:53,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:34:53,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:53" (1/1) ... [2024-11-13 20:34:53,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a6f7074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:53, skipping insertion in model container [2024-11-13 20:34:53,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:53" (1/1) ... [2024-11-13 20:34:53,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:34:54,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:54,542 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:34:54,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:54,829 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:34:54,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:54 WrapperNode [2024-11-13 20:34:54,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:54,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:54,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:34:54,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:34:54,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:54" (1/1) ... [2024-11-13 20:34:54,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:54" (1/1) ... [2024-11-13 20:34:54,887 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-13 20:34:54,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:54,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:34:54,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:34:54,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:34:54,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:54" (1/1) ... [2024-11-13 20:34:54,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:54" (1/1) ... [2024-11-13 20:34:54,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:54" (1/1) ... [2024-11-13 20:34:54,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:54" (1/1) ... [2024-11-13 20:34:54,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:54" (1/1) ... [2024-11-13 20:34:54,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:54" (1/1) ... [2024-11-13 20:34:54,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:54" (1/1) ... [2024-11-13 20:34:54,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:54" (1/1) ... [2024-11-13 20:34:54,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:34:54,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:34:54,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:34:54,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:34:54,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:54" (1/1) ... [2024-11-13 20:34:54,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:54,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:34:54,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:34:54,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:34:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:34:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:34:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:34:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:34:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:34:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:34:55,131 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:34:55,133 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:34:55,286 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 20:34:55,286 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:34:55,327 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:34:55,328 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:34:55,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:55 BoogieIcfgContainer [2024-11-13 20:34:55,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:34:55,329 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:34:55,329 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:34:55,340 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:34:55,340 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:55" (1/1) ... [2024-11-13 20:34:55,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:34:55,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:55,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 20:34:55,396 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 20:34:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:34:55,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:55,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:55,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:34:55,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:34:55,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:34:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:55,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:34:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:55,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:34:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:55,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:34:55,872 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:34:55,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:34:55 ImpRootNode [2024-11-13 20:34:55,910 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:34:55,911 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:34:55,911 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:34:55,912 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:34:55,913 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:55" (3/4) ... [2024-11-13 20:34:55,916 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:34:55,917 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:34:55,920 INFO L158 Benchmark]: Toolchain (without parser) took 2577.06ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 77.9MB in the end (delta: 11.8MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-13 20:34:55,920 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.8MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:55,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1488.03ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 69.0MB in the end (delta: 20.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 20:34:55,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.97ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 66.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:55,921 INFO L158 Benchmark]: Boogie Preprocessor took 28.62ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 64.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:55,922 INFO L158 Benchmark]: RCFGBuilder took 410.46ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 47.4MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:34:55,925 INFO L158 Benchmark]: CodeCheck took 581.04ms. Allocated memory is still 117.4MB. Free memory was 47.4MB in the beginning and 77.9MB in the end (delta: -30.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:55,926 INFO L158 Benchmark]: Witness Printer took 6.52ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:55,928 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1554. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] int dataCopy = data; [L1565] int data = dataCopy; 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] [L1566] 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] [L1568] 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 0.34ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.8MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1488.03ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 69.0MB in the end (delta: 20.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.97ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 66.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.62ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 64.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 410.46ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 47.4MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 581.04ms. Allocated memory is still 117.4MB. Free memory was 47.4MB in the beginning and 77.9MB in the end (delta: -30.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.52ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 35.5kB). 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 20:34:55,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f2edbb-c740-4e65-a2e0-baa94a419c29/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