./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b --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 0aa9550d019c11f10948fcb1b55fe6cfd4d8dee2c3358905f9b702698c5c7c4c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:50:41,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:50:41,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:50:41,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:50:41,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:50:41,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:50:41,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:50:41,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:50:41,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:50:41,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:50:41,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:50:41,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:50:41,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:50:41,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:50:41,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:50:41,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:50:41,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:50:41,727 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:50:41,727 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:50:41,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:50:41,727 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:50:41,727 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:50:41,728 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:50:41,728 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:50:41,728 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:50:41,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:50:41,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:50:41,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:50:41,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:50:41,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:50:41,729 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:50:41,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:50:41,729 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_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b 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 -> 0aa9550d019c11f10948fcb1b55fe6cfd4d8dee2c3358905f9b702698c5c7c4c [2024-12-05 23:50:41,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:50:41,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:50:41,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:50:41,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:50:41,974 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:50:41,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i [2024-12-05 23:50:44,610 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/data/761f4a85f/b38de44f25084dc091baeee7d83f7ee9/FLAG9f2e3ea3f [2024-12-05 23:50:44,923 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:50:44,923 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i [2024-12-05 23:50:44,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/data/761f4a85f/b38de44f25084dc091baeee7d83f7ee9/FLAG9f2e3ea3f [2024-12-05 23:50:44,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/data/761f4a85f/b38de44f25084dc091baeee7d83f7ee9 [2024-12-05 23:50:44,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:50:44,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:50:44,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:50:44,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:50:44,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:50:44,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:50:44" (1/1) ... [2024-12-05 23:50:44,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36059bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:44, skipping insertion in model container [2024-12-05 23:50:44,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:50:44" (1/1) ... [2024-12-05 23:50:45,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:50:45,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:50:45,603 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:50:45,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:50:45,773 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:50:45,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:45 WrapperNode [2024-12-05 23:50:45,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:50:45,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:50:45,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:50:45,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:50:45,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:45" (1/1) ... [2024-12-05 23:50:45,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:45" (1/1) ... [2024-12-05 23:50:45,818 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-12-05 23:50:45,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:50:45,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:50:45,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:50:45,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:50:45,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:45" (1/1) ... [2024-12-05 23:50:45,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:45" (1/1) ... [2024-12-05 23:50:45,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:45" (1/1) ... [2024-12-05 23:50:45,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:45" (1/1) ... [2024-12-05 23:50:45,831 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:45" (1/1) ... [2024-12-05 23:50:45,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:45" (1/1) ... [2024-12-05 23:50:45,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:45" (1/1) ... [2024-12-05 23:50:45,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:45" (1/1) ... [2024-12-05 23:50:45,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:45" (1/1) ... [2024-12-05 23:50:45,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:50:45,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:50:45,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:50:45,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:50:45,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:45" (1/1) ... [2024-12-05 23:50:45,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:50:45,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:50:45,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:50:45,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:50:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:50:45,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:50:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:50:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:50:45,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:50:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:50:45,996 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:50:45,997 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:50:46,088 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-05 23:50:46,088 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:50:46,117 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:50:46,118 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:50:46,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:50:46 BoogieIcfgContainer [2024-12-05 23:50:46,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:50:46,119 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:50:46,119 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:50:46,128 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:50:46,128 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:50:46" (1/1) ... [2024-12-05 23:50:46,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:50:46,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-05 23:50:46,181 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-05 23:50:46,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:50:46,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:46,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:50:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:50:46,288 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:50:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:50:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:50:46,369 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:50:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:50:46,395 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:50:46,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:50:46 ImpRootNode [2024-12-05 23:50:46,419 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:50:46,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:50:46,419 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:50:46,419 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:50:46,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:50:46" (3/4) ... [2024-12-05 23:50:46,423 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:50:46,423 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:50:46,424 INFO L158 Benchmark]: Toolchain (without parser) took 1461.76ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 79.8MB in the end (delta: 33.5MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-12-05 23:50:46,425 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:50:46,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 810.22ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 54.7MB in the end (delta: 58.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 23:50:46,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.01ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 113.2MB in the end (delta: -58.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-12-05 23:50:46,426 INFO L158 Benchmark]: Boogie Preprocessor took 18.23ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 112.4MB in the end (delta: 749.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:50:46,426 INFO L158 Benchmark]: RCFGBuilder took 280.46ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 98.4MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:50:46,427 INFO L158 Benchmark]: CodeCheck took 300.04ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 80.4MB in the end (delta: 17.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:50:46,427 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:50:46,429 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1565]: 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 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_fgets_multiply_01_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) [L1563] 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] [L1565] 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 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 810.22ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 54.7MB in the end (delta: 58.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.01ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 113.2MB in the end (delta: -58.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.23ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 112.4MB in the end (delta: 749.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 280.46ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 98.4MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 300.04ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 80.4MB in the end (delta: 17.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:50:46,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/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_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b --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 0aa9550d019c11f10948fcb1b55fe6cfd4d8dee2c3358905f9b702698c5c7c4c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:50:48,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:50:48,561 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 23:50:48,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:50:48,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:50:48,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:50:48,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:50:48,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:50:48,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:50:48,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:50:48,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:50:48,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:50:48,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:50:48,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:50:48,590 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:50:48,590 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:50:48,590 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:50:48,590 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:50:48,590 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:50:48,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:50:48,590 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:50:48,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:50:48,591 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:50:48,591 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:50:48,591 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:50:48,591 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:50:48,591 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:50:48,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:50:48,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:50:48,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:50:48,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:50:48,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:50:48,592 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:50:48,592 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:50:48,592 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:50:48,592 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_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b 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 -> 0aa9550d019c11f10948fcb1b55fe6cfd4d8dee2c3358905f9b702698c5c7c4c [2024-12-05 23:50:48,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:50:48,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:50:48,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:50:48,858 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:50:48,859 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:50:48,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i [2024-12-05 23:50:51,623 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/data/1f85f96f6/4cc1f1c5d9e44b15955a8a28faa093e0/FLAGf291c4dd3 [2024-12-05 23:50:51,916 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:50:51,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i [2024-12-05 23:50:51,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/data/1f85f96f6/4cc1f1c5d9e44b15955a8a28faa093e0/FLAGf291c4dd3 [2024-12-05 23:50:52,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/data/1f85f96f6/4cc1f1c5d9e44b15955a8a28faa093e0 [2024-12-05 23:50:52,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:50:52,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:50:52,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:50:52,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:50:52,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:50:52,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:50:52" (1/1) ... [2024-12-05 23:50:52,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312dcc93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:52, skipping insertion in model container [2024-12-05 23:50:52,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:50:52" (1/1) ... [2024-12-05 23:50:52,215 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:50:52,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:50:52,838 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:50:52,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:50:53,053 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:50:53,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:53 WrapperNode [2024-12-05 23:50:53,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:50:53,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:50:53,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:50:53,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:50:53,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:53" (1/1) ... [2024-12-05 23:50:53,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:53" (1/1) ... [2024-12-05 23:50:53,096 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-12-05 23:50:53,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:50:53,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:50:53,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:50:53,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:50:53,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:53" (1/1) ... [2024-12-05 23:50:53,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:53" (1/1) ... [2024-12-05 23:50:53,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:53" (1/1) ... [2024-12-05 23:50:53,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:53" (1/1) ... [2024-12-05 23:50:53,113 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:53" (1/1) ... [2024-12-05 23:50:53,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:53" (1/1) ... [2024-12-05 23:50:53,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:53" (1/1) ... [2024-12-05 23:50:53,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:53" (1/1) ... [2024-12-05 23:50:53,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:53" (1/1) ... [2024-12-05 23:50:53,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:50:53,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:50:53,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:50:53,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:50:53,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:53" (1/1) ... [2024-12-05 23:50:53,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:50:53,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:50:53,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:50:53,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:50:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:50:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:50:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:50:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:50:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:50:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:50:53,292 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:50:53,293 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:50:53,407 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-05 23:50:53,408 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:50:53,447 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:50:53,448 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:50:53,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:50:53 BoogieIcfgContainer [2024-12-05 23:50:53,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:50:53,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:50:53,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:50:53,459 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:50:53,459 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:50:53" (1/1) ... [2024-12-05 23:50:53,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:50:53,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:53,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-05 23:50:53,510 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-05 23:50:53,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:50:53,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:53,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:50:53,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:50:53,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:50:53,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:50:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:50:53,676 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:50:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:50:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:50:53,783 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:50:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:50:53,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:50:53,814 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:50:53,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:50:53 ImpRootNode [2024-12-05 23:50:53,842 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:50:53,843 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:50:53,843 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:50:53,843 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:50:53,844 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:50:53" (3/4) ... [2024-12-05 23:50:53,846 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:50:53,847 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:50:53,848 INFO L158 Benchmark]: Toolchain (without parser) took 1671.11ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 54.4MB in the end (delta: 12.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-12-05 23:50:53,849 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:50:53,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 876.37ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 62.2MB in the end (delta: 4.4MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-12-05 23:50:53,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.98ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 59.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:50:53,850 INFO L158 Benchmark]: Boogie Preprocessor took 25.74ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 58.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:50:53,850 INFO L158 Benchmark]: RCFGBuilder took 325.16ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 41.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:50:53,850 INFO L158 Benchmark]: CodeCheck took 393.32ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 54.4MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:50:53,851 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 54.4MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:50:53,853 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1565]: 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 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_fgets_multiply_01_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) [L1563] 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] [L1565] 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 0.42ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 876.37ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 62.2MB in the end (delta: 4.4MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.98ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 59.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.74ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 58.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 325.16ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 41.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 393.32ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 54.4MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 54.4MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:50:53,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bab29e-d435-4a0f-81b6-ba9f0a7239cb/bin/ukojak-verify-CZk0znPC7b/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