./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_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_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/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_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/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_3d929214-4672-438f-adac-80c3cf562bca/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 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:13:09,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:13:09,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:13:09,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:13:09,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:13:09,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:13:09,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:13:09,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:13:09,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:13:09,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:13:09,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:13:09,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:13:09,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:13:09,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:13:09,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:13:09,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:13:09,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:13:09,281 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:13:09,281 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:13:09,281 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:13:09,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:13:09,282 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:13:09,282 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:13:09,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:13:09,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:13:09,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:13:09,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:09,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:13:09,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:13:09,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:13:09,284 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:13:09,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:13:09,285 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_3d929214-4672-438f-adac-80c3cf562bca/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 -> 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 [2024-11-13 21:13:09,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:13:09,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:13:09,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:13:09,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:13:09,601 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:13:09,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i Unable to find full path for "g++" [2024-11-13 21:13:11,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:13:12,131 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:13:12,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2024-11-13 21:13:12,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/data/425d1e9ec/12ef8de1ba3e4fb69b89528656fe2548/FLAG42b9949c2 [2024-11-13 21:13:12,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/data/425d1e9ec/12ef8de1ba3e4fb69b89528656fe2548 [2024-11-13 21:13:12,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:13:12,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:13:12,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:12,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:13:12,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:13:12,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:13:12" (1/1) ... [2024-11-13 21:13:12,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ac3f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:12, skipping insertion in model container [2024-11-13 21:13:12,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:13:12" (1/1) ... [2024-11-13 21:13:12,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:13:13,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:13,418 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:13:13,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:13,732 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:13:13,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:13 WrapperNode [2024-11-13 21:13:13,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:13,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:13,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:13:13,737 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:13:13,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:13" (1/1) ... [2024-11-13 21:13:13,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:13" (1/1) ... [2024-11-13 21:13:13,818 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2024-11-13 21:13:13,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:13,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:13:13,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:13:13,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:13:13,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:13" (1/1) ... [2024-11-13 21:13:13,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:13" (1/1) ... [2024-11-13 21:13:13,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:13" (1/1) ... [2024-11-13 21:13:13,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:13" (1/1) ... [2024-11-13 21:13:13,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:13" (1/1) ... [2024-11-13 21:13:13,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:13" (1/1) ... [2024-11-13 21:13:13,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:13" (1/1) ... [2024-11-13 21:13:13,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:13" (1/1) ... [2024-11-13 21:13:13,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:13:13,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:13:13,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:13:13,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:13:13,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:13" (1/1) ... [2024-11-13 21:13:13,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:13,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:13:13,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:13:13,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:13:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:13:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:13:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:13:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:13:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:13:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:13:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:13:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:13:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:13:14,071 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:13:14,072 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:13:14,200 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 21:13:14,200 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:13:14,245 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:13:14,245 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:13:14,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:14 BoogieIcfgContainer [2024-11-13 21:13:14,246 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:13:14,247 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:13:14,247 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:13:14,259 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:13:14,259 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:14" (1/1) ... [2024-11-13 21:13:14,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:13:14,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:14,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:13:14,330 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:13:14,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:13:14,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:14,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:14,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:13:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:14,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:13:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:14,694 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:13:14,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:13:14 ImpRootNode [2024-11-13 21:13:14,739 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:13:14,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:13:14,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:13:14,741 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:13:14,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:14" (3/4) ... [2024-11-13 21:13:14,744 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:13:14,745 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:13:14,746 INFO L158 Benchmark]: Toolchain (without parser) took 2546.82ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 71.3MB in the end (delta: 44.5MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-11-13 21:13:14,747 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:14,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1534.52ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 108.1MB in the end (delta: 7.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:14,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.97ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 105.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:14,748 INFO L158 Benchmark]: Boogie Preprocessor took 33.82ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 103.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:14,751 INFO L158 Benchmark]: RCFGBuilder took 390.92ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 89.8MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:14,752 INFO L158 Benchmark]: CodeCheck took 492.50ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 71.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:13:14,753 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 142.6MB. Free memory was 71.9MB in the beginning and 71.3MB in the end (delta: 601.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:14,761 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, 12 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565. 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); [L1565] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_sub_67_structType myStruct; [L1557] data = 0 [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data - 1 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 0.26ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1534.52ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 108.1MB in the end (delta: 7.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.97ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 105.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.82ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 103.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 390.92ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 89.8MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 492.50ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 71.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 142.6MB. Free memory was 71.9MB in the beginning and 71.3MB in the end (delta: 601.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:13:14,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/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_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/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_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/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_3d929214-4672-438f-adac-80c3cf562bca/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 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:13:17,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:13:17,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:13:18,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:13:18,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:13:18,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:13:18,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:13:18,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:13:18,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:13:18,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:13:18,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:13:18,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:13:18,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:13:18,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:13:18,016 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:13:18,020 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:13:18,020 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:13:18,021 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:13:18,021 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:13:18,021 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:13:18,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:13:18,021 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:13:18,021 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:13:18,021 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:13:18,022 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:13:18,022 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:18,022 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:13:18,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:13:18,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:18,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:13:18,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:13:18,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:13:18,022 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:13:18,023 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:18,023 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:13:18,023 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_3d929214-4672-438f-adac-80c3cf562bca/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 -> 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 [2024-11-13 21:13:18,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:13:18,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:13:18,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:13:18,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:13:18,383 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:13:18,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i Unable to find full path for "g++" [2024-11-13 21:13:20,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:13:21,127 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:13:21,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2024-11-13 21:13:21,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/data/548473e77/757e3cc779f74367b43127d67310da2f/FLAG71f7bf46d [2024-11-13 21:13:21,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/data/548473e77/757e3cc779f74367b43127d67310da2f [2024-11-13 21:13:21,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:13:21,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:13:21,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:21,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:13:21,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:13:21,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:13:21" (1/1) ... [2024-11-13 21:13:21,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3443c655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:21, skipping insertion in model container [2024-11-13 21:13:21,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:13:21" (1/1) ... [2024-11-13 21:13:21,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:13:22,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:22,826 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:13:22,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:23,132 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:13:23,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:23 WrapperNode [2024-11-13 21:13:23,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:23,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:23,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:13:23,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:13:23,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:23" (1/1) ... [2024-11-13 21:13:23,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:23" (1/1) ... [2024-11-13 21:13:23,200 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2024-11-13 21:13:23,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:23,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:13:23,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:13:23,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:13:23,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:23" (1/1) ... [2024-11-13 21:13:23,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:23" (1/1) ... [2024-11-13 21:13:23,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:23" (1/1) ... [2024-11-13 21:13:23,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:23" (1/1) ... [2024-11-13 21:13:23,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:23" (1/1) ... [2024-11-13 21:13:23,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:23" (1/1) ... [2024-11-13 21:13:23,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:23" (1/1) ... [2024-11-13 21:13:23,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:23" (1/1) ... [2024-11-13 21:13:23,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:13:23,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:13:23,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:13:23,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:13:23,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:23" (1/1) ... [2024-11-13 21:13:23,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:23,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:13:23,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:13:23,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:13:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:13:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:13:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:13:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:13:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:13:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:13:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:13:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:13:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:13:23,584 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:13:23,587 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:13:23,831 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 21:13:23,831 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:13:23,912 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:13:23,912 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:13:23,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:23 BoogieIcfgContainer [2024-11-13 21:13:23,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:13:23,914 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:13:23,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:13:23,931 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:13:23,931 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:23" (1/1) ... [2024-11-13 21:13:23,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:13:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:24,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:13:24,006 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:13:24,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:13:24,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:24,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:24,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:24,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:24,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:13:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:24,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:13:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:24,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:13:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:24,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:13:24,844 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:13:24,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:13:24 ImpRootNode [2024-11-13 21:13:24,892 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:13:24,893 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:13:24,894 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:13:24,894 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:13:24,895 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:23" (3/4) ... [2024-11-13 21:13:24,898 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:13:24,899 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:13:24,903 INFO L158 Benchmark]: Toolchain (without parser) took 3247.55ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 77.7MB in the end (delta: 10.8MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-13 21:13:24,903 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:24,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1479.84ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 65.4MB in the end (delta: 23.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 21:13:24,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.55ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 62.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:24,905 INFO L158 Benchmark]: Boogie Preprocessor took 33.19ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 61.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:24,905 INFO L158 Benchmark]: RCFGBuilder took 677.92ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 44.8MB in the end (delta: 16.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:24,905 INFO L158 Benchmark]: CodeCheck took 978.71ms. Allocated memory is still 117.4MB. Free memory was 44.8MB in the beginning and 78.4MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:24,906 INFO L158 Benchmark]: Witness Printer took 5.94ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.7MB in the end (delta: 693.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:24,909 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565. 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); [L1565] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_sub_67_structType myStruct; [L1557] data = 0 [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data - 1 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 0.35ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1479.84ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 65.4MB in the end (delta: 23.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.55ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 62.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.19ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 61.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 677.92ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 44.8MB in the end (delta: 16.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 978.71ms. Allocated memory is still 117.4MB. Free memory was 44.8MB in the beginning and 78.4MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.94ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.7MB in the end (delta: 693.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:13:24,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d929214-4672-438f-adac-80c3cf562bca/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