./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_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_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/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_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/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_4a9be720-5a11-4b07-b25d-3ec150e2544a/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 422d487fc4803915b884cfbccf45368b75597c3868b043f6ad0764f99b52e6a0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:32:41,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:32:41,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:32:41,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:32:41,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:32:41,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:32:41,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:32:41,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:32:41,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:32:41,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:32:41,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:32:41,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:32:41,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:32:41,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:32:41,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:32:41,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:32:41,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:32:41,809 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:32:41,809 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:32:41,809 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:32:41,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:32:41,809 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:32:41,812 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:32:41,813 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:32:41,813 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:32:41,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:32:41,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:32:41,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:32:41,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:32:41,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:32:41,814 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:32:41,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:32:41,814 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_4a9be720-5a11-4b07-b25d-3ec150e2544a/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 -> 422d487fc4803915b884cfbccf45368b75597c3868b043f6ad0764f99b52e6a0 [2024-11-13 20:32:42,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:32:42,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:32:42,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:32:42,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:32:42,160 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:32:42,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_bad.i Unable to find full path for "g++" [2024-11-13 20:32:44,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:32:44,489 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:32:44,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_bad.i [2024-11-13 20:32:44,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/data/e3581a6cf/bcacff9dbf6e4e0c89d8bebcce000721/FLAG28ff9b8f7 [2024-11-13 20:32:44,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/data/e3581a6cf/bcacff9dbf6e4e0c89d8bebcce000721 [2024-11-13 20:32:44,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:32:44,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:32:44,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:32:44,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:32:44,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:32:44,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:32:44" (1/1) ... [2024-11-13 20:32:44,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2cb68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:44, skipping insertion in model container [2024-11-13 20:32:44,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:32:44" (1/1) ... [2024-11-13 20:32:44,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:32:45,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:32:45,747 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:32:45,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:32:45,997 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:32:45,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:45 WrapperNode [2024-11-13 20:32:45,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:32:45,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:32:45,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:32:45,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:32:46,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:45" (1/1) ... [2024-11-13 20:32:46,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:45" (1/1) ... [2024-11-13 20:32:46,047 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-13 20:32:46,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:32:46,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:32:46,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:32:46,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:32:46,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:45" (1/1) ... [2024-11-13 20:32:46,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:45" (1/1) ... [2024-11-13 20:32:46,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:45" (1/1) ... [2024-11-13 20:32:46,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:45" (1/1) ... [2024-11-13 20:32:46,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:45" (1/1) ... [2024-11-13 20:32:46,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:45" (1/1) ... [2024-11-13 20:32:46,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:45" (1/1) ... [2024-11-13 20:32:46,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:45" (1/1) ... [2024-11-13 20:32:46,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:32:46,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:32:46,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:32:46,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:32:46,086 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:45" (1/1) ... [2024-11-13 20:32:46,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:32:46,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:32:46,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:32:46,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:32:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:32:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:32:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:32:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:32:46,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:32:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:32:46,358 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:32:46,360 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:32:46,520 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 20:32:46,520 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:32:46,583 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:32:46,583 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:32:46,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:32:46 BoogieIcfgContainer [2024-11-13 20:32:46,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:32:46,585 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:32:46,585 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:32:46,597 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:32:46,598 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:32:46" (1/1) ... [2024-11-13 20:32:46,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:32:46,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:46,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:32:46,675 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:32:46,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:32:46,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:46,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:47,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:32:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:47,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 20:32:47,058 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 20:32:47,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:32:47,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:47,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:32:47,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:32:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:32:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:32:47,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:32:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:32:47,200 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:32:47,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:32:47 ImpRootNode [2024-11-13 20:32:47,234 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:32:47,235 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:32:47,236 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:32:47,236 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:32:47,237 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:32:46" (3/4) ... [2024-11-13 20:32:47,240 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:32:47,241 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:32:47,244 INFO L158 Benchmark]: Toolchain (without parser) took 2537.14ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 83.7MB in the end (delta: 30.1MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-13 20:32:47,244 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:32:47,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1292.60ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 55.2MB in the end (delta: 58.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 20:32:47,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.06ms. Allocated memory is still 142.6MB. Free memory was 55.2MB in the beginning and 52.6MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:32:47,246 INFO L158 Benchmark]: Boogie Preprocessor took 36.42ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 51.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:32:47,246 INFO L158 Benchmark]: RCFGBuilder took 499.21ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 106.8MB in the end (delta: -55.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-13 20:32:47,246 INFO L158 Benchmark]: CodeCheck took 649.72ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 83.7MB in the end (delta: 22.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:32:47,251 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:32:47,253 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 2 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, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1575, overapproximation of fgets at line 1556. 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); [L1575] 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) [L1575] 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] [L1576] CALL CWE190_Integer_Overflow__int_fgets_add_18_bad() [L1550] int data; [L1551] data = 0 [L1555] 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1568] 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 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1292.60ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 55.2MB in the end (delta: 58.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.06ms. Allocated memory is still 142.6MB. Free memory was 55.2MB in the beginning and 52.6MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.42ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 51.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 499.21ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 106.8MB in the end (delta: -55.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * CodeCheck took 649.72ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 83.7MB in the end (delta: 22.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:32:47,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/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_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/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_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/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_4a9be720-5a11-4b07-b25d-3ec150e2544a/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 422d487fc4803915b884cfbccf45368b75597c3868b043f6ad0764f99b52e6a0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:32:49,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:32:50,026 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:32:50,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:32:50,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:32:50,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:32:50,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:32:50,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:32:50,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:32:50,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:32:50,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:32:50,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:32:50,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:32:50,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:32:50,064 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:32:50,064 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:32:50,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:32:50,064 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:32:50,064 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:32:50,065 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:32:50,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:32:50,065 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:32:50,065 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:32:50,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:32:50,065 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:32:50,065 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:50,065 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:32:50,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:32:50,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:32:50,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:32:50,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:32:50,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:32:50,066 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:32:50,066 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:50,066 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:32:50,067 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_4a9be720-5a11-4b07-b25d-3ec150e2544a/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 -> 422d487fc4803915b884cfbccf45368b75597c3868b043f6ad0764f99b52e6a0 [2024-11-13 20:32:50,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:32:50,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:32:50,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:32:50,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:32:50,450 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:32:50,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_bad.i Unable to find full path for "g++" [2024-11-13 20:32:52,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:32:53,099 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:32:53,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_bad.i [2024-11-13 20:32:53,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/data/b1d82e441/b305c04027314432b1f2c5bca85dbe5f/FLAG84e607142 [2024-11-13 20:32:53,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/data/b1d82e441/b305c04027314432b1f2c5bca85dbe5f [2024-11-13 20:32:53,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:32:53,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:32:53,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:32:53,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:32:53,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:32:53,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:32:53" (1/1) ... [2024-11-13 20:32:53,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6756482a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:53, skipping insertion in model container [2024-11-13 20:32:53,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:32:53" (1/1) ... [2024-11-13 20:32:53,240 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:32:54,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:32:54,261 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:32:54,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:32:54,500 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:32:54,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:54 WrapperNode [2024-11-13 20:32:54,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:32:54,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:32:54,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:32:54,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:32:54,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:54" (1/1) ... [2024-11-13 20:32:54,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:54" (1/1) ... [2024-11-13 20:32:54,549 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-13 20:32:54,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:32:54,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:32:54,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:32:54,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:32:54,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:54" (1/1) ... [2024-11-13 20:32:54,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:54" (1/1) ... [2024-11-13 20:32:54,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:54" (1/1) ... [2024-11-13 20:32:54,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:54" (1/1) ... [2024-11-13 20:32:54,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:54" (1/1) ... [2024-11-13 20:32:54,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:54" (1/1) ... [2024-11-13 20:32:54,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:54" (1/1) ... [2024-11-13 20:32:54,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:54" (1/1) ... [2024-11-13 20:32:54,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:32:54,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:32:54,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:32:54,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:32:54,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:54" (1/1) ... [2024-11-13 20:32:54,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:32:54,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:32:54,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:32:54,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:32:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:32:54,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:32:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:32:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:32:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:32:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:32:54,837 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:32:54,839 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:32:55,002 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 20:32:55,002 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:32:55,047 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:32:55,047 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:32:55,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:32:55 BoogieIcfgContainer [2024-11-13 20:32:55,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:32:55,049 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:32:55,049 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:32:55,060 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:32:55,060 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:32:55" (1/1) ... [2024-11-13 20:32:55,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:32:55,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:32:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:32:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:32:55,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:55,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:55,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:32:55,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:32:55,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:32:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:55,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:32:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:55,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:32:55,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:55,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:32:55,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:32:55,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:55,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:32:55,395 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:32:55,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:32:55,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:55,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:55,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:32:55,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:32:55,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:32:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:32:55,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:32:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:32:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:32:55,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:32:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:32:55,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 20:32:55,740 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:32:55,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:32:55 ImpRootNode [2024-11-13 20:32:55,775 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:32:55,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:32:55,775 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:32:55,776 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:32:55,777 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:32:55" (3/4) ... [2024-11-13 20:32:55,780 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:32:55,781 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:32:55,782 INFO L158 Benchmark]: Toolchain (without parser) took 2614.12ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 79.7MB in the end (delta: 10.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-13 20:32:55,783 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 117.4MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:32:55,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1329.81ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 72.7MB in the end (delta: 17.1MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 20:32:55,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.76ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 69.9MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:32:55,786 INFO L158 Benchmark]: Boogie Preprocessor took 33.04ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 68.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:32:55,786 INFO L158 Benchmark]: RCFGBuilder took 460.78ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 51.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:32:55,787 INFO L158 Benchmark]: CodeCheck took 726.03ms. Allocated memory is still 117.4MB. Free memory was 51.1MB in the beginning and 79.7MB in the end (delta: -28.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:32:55,787 INFO L158 Benchmark]: Witness Printer took 6.11ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.7MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:32:55,791 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 36 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1575, overapproximation of fgets at line 1556. 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); [L1575] 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) [L1575] 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] [L1576] CALL CWE190_Integer_Overflow__int_fgets_add_18_bad() [L1550] int data; [L1551] data = 0 [L1555] 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1568] 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 0.57ms. Allocated memory is still 117.4MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1329.81ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 72.7MB in the end (delta: 17.1MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.76ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 69.9MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.04ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 68.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 460.78ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 51.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 726.03ms. Allocated memory is still 117.4MB. Free memory was 51.1MB in the beginning and 79.7MB in the end (delta: -28.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.11ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.7MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:32:55,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9be720-5a11-4b07-b25d-3ec150e2544a/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