./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_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_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/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_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/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_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/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 f5cb2e6c3cc7e6ab1b34a5c7f3b0ace2178feae9f32f16f4b2544424981b4bee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:26:15,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:26:15,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:26:15,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:26:15,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:26:15,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:26:15,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:26:15,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:26:15,548 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:26:15,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:26:15,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:26:15,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:26:15,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:26:15,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:26:15,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:26:15,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:26:15,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:26:15,549 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:26:15,549 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:26:15,550 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:26:15,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:26:15,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:26:15,550 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:26:15,550 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:26:15,550 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:26:15,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:26:15,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:26:15,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:26:15,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:26:15,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:26:15,551 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:26:15,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:26:15,551 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_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/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 -> f5cb2e6c3cc7e6ab1b34a5c7f3b0ace2178feae9f32f16f4b2544424981b4bee [2024-11-13 20:26:15,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:26:15,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:26:15,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:26:15,899 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:26:15,900 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:26:15,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_67_bad.i Unable to find full path for "g++" [2024-11-13 20:26:17,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:26:18,310 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:26:18,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_67_bad.i [2024-11-13 20:26:18,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/data/36f20d3a9/76b5435019a046518d702892dfb5cba4/FLAG5f44e2587 [2024-11-13 20:26:18,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/data/36f20d3a9/76b5435019a046518d702892dfb5cba4 [2024-11-13 20:26:18,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:26:18,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:26:18,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:26:18,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:26:18,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:26:18,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:26:18" (1/1) ... [2024-11-13 20:26:18,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4541f7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:18, skipping insertion in model container [2024-11-13 20:26:18,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:26:18" (1/1) ... [2024-11-13 20:26:18,416 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:26:19,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:26:19,712 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:26:19,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:26:20,010 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:26:20,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:20 WrapperNode [2024-11-13 20:26:20,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:26:20,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:26:20,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:26:20,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:26:20,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:20" (1/1) ... [2024-11-13 20:26:20,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:20" (1/1) ... [2024-11-13 20:26:20,081 INFO L138 Inliner]: procedures = 499, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2024-11-13 20:26:20,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:26:20,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:26:20,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:26:20,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:26:20,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:20" (1/1) ... [2024-11-13 20:26:20,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:20" (1/1) ... [2024-11-13 20:26:20,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:20" (1/1) ... [2024-11-13 20:26:20,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:20" (1/1) ... [2024-11-13 20:26:20,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:20" (1/1) ... [2024-11-13 20:26:20,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:20" (1/1) ... [2024-11-13 20:26:20,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:20" (1/1) ... [2024-11-13 20:26:20,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:20" (1/1) ... [2024-11-13 20:26:20,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:26:20,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:26:20,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:26:20,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:26:20,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:20" (1/1) ... [2024-11-13 20:26:20,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:26:20,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:26:20,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:26:20,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:26:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:26:20,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:26:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:26:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:26:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:26:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:26:20,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:26:20,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:26:20,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:26:20,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:26:20,385 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:26:20,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:26:20,572 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 20:26:20,572 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:26:20,633 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:26:20,633 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:26:20,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:26:20 BoogieIcfgContainer [2024-11-13 20:26:20,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:26:20,634 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:26:20,635 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:26:20,646 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:26:20,647 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:26:20" (1/1) ... [2024-11-13 20:26:20,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:26:20,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:20,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:26:20,719 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:26:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:26:20,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:20,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:21,532 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 20:26:21,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 20:26:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 20:26:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:26:21,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:21,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:26:21,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:26:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:26:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:26:21,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:26:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:26:21,901 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:26:21,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:26:21 ImpRootNode [2024-11-13 20:26:21,926 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:26:21,927 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:26:21,927 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:26:21,928 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:26:21,928 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:26:20" (3/4) ... [2024-11-13 20:26:21,930 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:26:21,931 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:26:21,932 INFO L158 Benchmark]: Toolchain (without parser) took 3579.66ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 35.7MB in the end (delta: 43.5MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2024-11-13 20:26:21,933 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:26:21,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1655.44ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 61.5MB in the end (delta: 17.7MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2024-11-13 20:26:21,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.71ms. Allocated memory is still 109.1MB. Free memory was 61.5MB in the beginning and 58.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:26:21,934 INFO L158 Benchmark]: Boogie Preprocessor took 28.60ms. Allocated memory is still 109.1MB. Free memory was 58.2MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:26:21,934 INFO L158 Benchmark]: RCFGBuilder took 519.85ms. Allocated memory is still 109.1MB. Free memory was 57.0MB in the beginning and 42.4MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:26:21,935 INFO L158 Benchmark]: CodeCheck took 1292.14ms. Allocated memory is still 109.1MB. Free memory was 42.4MB in the beginning and 35.7MB in the end (delta: 6.7MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-11-13 20:26:21,935 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 109.1MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 3.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:26:21,937 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: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1575, overapproximation of fgets at line 1560. 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_postinc_67_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_postinc_67_structType myStruct; [L1557] data = 0 [L1559] 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, myStruct={25195:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myStruct.structFirst = data [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1583] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1655.44ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 61.5MB in the end (delta: 17.7MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.71ms. Allocated memory is still 109.1MB. Free memory was 61.5MB in the beginning and 58.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.60ms. Allocated memory is still 109.1MB. Free memory was 58.2MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 519.85ms. Allocated memory is still 109.1MB. Free memory was 57.0MB in the beginning and 42.4MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1292.14ms. Allocated memory is still 109.1MB. Free memory was 42.4MB in the beginning and 35.7MB in the end (delta: 6.7MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 109.1MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 3.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:26:21,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/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_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/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_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/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_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/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 f5cb2e6c3cc7e6ab1b34a5c7f3b0ace2178feae9f32f16f4b2544424981b4bee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:26:24,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:26:25,043 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:26:25,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:26:25,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:26:25,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:26:25,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:26:25,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:26:25,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:26:25,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:26:25,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:26:25,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:26:25,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:26:25,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:26:25,081 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:26:25,082 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:26:25,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:26:25,082 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:26:25,082 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:26:25,082 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:26:25,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:26:25,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:26:25,084 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:26:25,085 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:26:25,085 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:26:25,085 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:25,085 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:26:25,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:26:25,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:26:25,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:26:25,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:26:25,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:26:25,086 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:26:25,086 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:25,086 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:26:25,086 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_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/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 -> f5cb2e6c3cc7e6ab1b34a5c7f3b0ace2178feae9f32f16f4b2544424981b4bee [2024-11-13 20:26:25,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:26:25,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:26:25,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:26:25,442 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:26:25,443 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:26:25,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_67_bad.i Unable to find full path for "g++" [2024-11-13 20:26:27,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:26:28,027 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:26:28,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_67_bad.i [2024-11-13 20:26:28,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/data/8dfd958e3/106a1ae840fe412c8c5bac105926a3a1/FLAGbff2bd3b1 [2024-11-13 20:26:28,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/data/8dfd958e3/106a1ae840fe412c8c5bac105926a3a1 [2024-11-13 20:26:28,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:26:28,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:26:28,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:26:28,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:26:28,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:26:28,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:26:28" (1/1) ... [2024-11-13 20:26:28,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3d161d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:28, skipping insertion in model container [2024-11-13 20:26:28,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:26:28" (1/1) ... [2024-11-13 20:26:28,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:26:29,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:26:29,264 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:26:29,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:26:29,515 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:26:29,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:29 WrapperNode [2024-11-13 20:26:29,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:26:29,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:26:29,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:26:29,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:26:29,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:29" (1/1) ... [2024-11-13 20:26:29,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:29" (1/1) ... [2024-11-13 20:26:29,573 INFO L138 Inliner]: procedures = 504, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 80 [2024-11-13 20:26:29,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:26:29,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:26:29,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:26:29,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:26:29,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:29" (1/1) ... [2024-11-13 20:26:29,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:29" (1/1) ... [2024-11-13 20:26:29,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:29" (1/1) ... [2024-11-13 20:26:29,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:29" (1/1) ... [2024-11-13 20:26:29,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:29" (1/1) ... [2024-11-13 20:26:29,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:29" (1/1) ... [2024-11-13 20:26:29,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:29" (1/1) ... [2024-11-13 20:26:29,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:29" (1/1) ... [2024-11-13 20:26:29,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:26:29,618 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:26:29,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:26:29,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:26:29,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:29" (1/1) ... [2024-11-13 20:26:29,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:26:29,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:26:29,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:26:29,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:26:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:26:29,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:26:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:26:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:26:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:26:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:26:29,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:26:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:26:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:26:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:26:29,952 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:26:29,954 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:26:30,219 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 20:26:30,219 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:26:30,297 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:26:30,300 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:26:30,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:26:30 BoogieIcfgContainer [2024-11-13 20:26:30,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:26:30,306 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:26:30,306 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:26:30,323 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:26:30,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:26:30" (1/1) ... [2024-11-13 20:26:30,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:26:30,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:30,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:26:30,389 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:26:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:26:30,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:30,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:30,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:30,401 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:30,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:26:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:30,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:30,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:26:30,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:30,832 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 20:26:30,836 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:26:30,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:26:30,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:30,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:26:30,868 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:26:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:26:30,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:30,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:30,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:30,873 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:30,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:26:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:26:31,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:26:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:26:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:26:31,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:26:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:26:31,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:26:31,803 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:26:31,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:26:31 ImpRootNode [2024-11-13 20:26:31,847 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:26:31,847 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:26:31,848 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:26:31,848 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:26:31,850 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:26:30" (3/4) ... [2024-11-13 20:26:31,852 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:26:31,853 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:26:31,854 INFO L158 Benchmark]: Toolchain (without parser) took 3751.75ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 55.1MB in the end (delta: 32.7MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-11-13 20:26:31,855 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:26:31,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1410.62ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 66.1MB in the end (delta: 21.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 20:26:31,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.50ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 63.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:26:31,859 INFO L158 Benchmark]: Boogie Preprocessor took 42.89ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:26:31,859 INFO L158 Benchmark]: RCFGBuilder took 683.11ms. Allocated memory is still 117.4MB. Free memory was 61.3MB in the beginning and 42.9MB in the end (delta: 18.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:26:31,859 INFO L158 Benchmark]: CodeCheck took 1541.06ms. Allocated memory is still 117.4MB. Free memory was 42.9MB in the beginning and 55.8MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:26:31,860 INFO L158 Benchmark]: Witness Printer took 6.01ms. Allocated memory is still 117.4MB. Free memory was 55.2MB in the beginning and 55.1MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:26:31,865 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: 1.5s, 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, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 87 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1575, overapproximation of fgets at line 1560. 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_postinc_67_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_postinc_67_structType myStruct; [L1557] data = 0 [L1559] 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, myStruct={7:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myStruct.structFirst = data [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1583] data++ 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 0.30ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1410.62ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 66.1MB in the end (delta: 21.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.50ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 63.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.89ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 683.11ms. Allocated memory is still 117.4MB. Free memory was 61.3MB in the beginning and 42.9MB in the end (delta: 18.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1541.06ms. Allocated memory is still 117.4MB. Free memory was 42.9MB in the beginning and 55.8MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.01ms. Allocated memory is still 117.4MB. Free memory was 55.2MB in the beginning and 55.1MB in the end (delta: 42.6kB). 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 20:26:31,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e8af0f-3e7a-4ccd-9249-8ecb19a1f7ae/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