./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3 --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 f51cd66cc8ab187e6d0f388d838666fcffc43452be13bff3e7ff354d13db6cea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:22:22,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:22:22,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 05:22:22,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:22:22,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:22:22,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:22:22,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:22:22,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:22:22,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:22:22,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:22:22,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:22:22,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:22:22,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:22:22,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:22:22,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:22:22,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:22:22,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:22:22,482 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:22:22,482 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:22:22,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:22:22,482 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:22:22,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:22:22,482 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:22:22,482 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:22:22,482 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:22:22,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:22:22,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:22:22,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:22:22,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:22:22,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:22:22,485 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:22:22,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:22:22,485 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_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3 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 -> f51cd66cc8ab187e6d0f388d838666fcffc43452be13bff3e7ff354d13db6cea [2024-11-25 05:22:22,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:22:22,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:22:22,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:22:22,890 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:22:22,891 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:22:22,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i [2024-11-25 05:22:26,280 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/data/4de55c7d2/1f0a0658a9d147cda73cb848a39cfc37/FLAG240b80726 [2024-11-25 05:22:26,808 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:22:26,809 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i [2024-11-25 05:22:26,845 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/data/4de55c7d2/1f0a0658a9d147cda73cb848a39cfc37/FLAG240b80726 [2024-11-25 05:22:26,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/data/4de55c7d2/1f0a0658a9d147cda73cb848a39cfc37 [2024-11-25 05:22:26,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:22:26,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:22:26,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:22:26,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:22:26,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:22:26,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:26" (1/1) ... [2024-11-25 05:22:26,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1195ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:26, skipping insertion in model container [2024-11-25 05:22:26,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:26" (1/1) ... [2024-11-25 05:22:26,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:22:28,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:22:28,182 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:22:28,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:22:28,417 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:22:28,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:28 WrapperNode [2024-11-25 05:22:28,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:22:28,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:22:28,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:22:28,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:22:28,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:28" (1/1) ... [2024-11-25 05:22:28,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:28" (1/1) ... [2024-11-25 05:22:28,472 INFO L138 Inliner]: procedures = 499, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2024-11-25 05:22:28,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:22:28,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:22:28,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:22:28,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:22:28,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:28" (1/1) ... [2024-11-25 05:22:28,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:28" (1/1) ... [2024-11-25 05:22:28,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:28" (1/1) ... [2024-11-25 05:22:28,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:28" (1/1) ... [2024-11-25 05:22:28,496 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:28" (1/1) ... [2024-11-25 05:22:28,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:28" (1/1) ... [2024-11-25 05:22:28,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:28" (1/1) ... [2024-11-25 05:22:28,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:28" (1/1) ... [2024-11-25 05:22:28,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:28" (1/1) ... [2024-11-25 05:22:28,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:22:28,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:22:28,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:22:28,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:22:28,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:28" (1/1) ... [2024-11-25 05:22:28,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:22:28,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:22:28,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:22:28,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:22:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 05:22:28,594 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 05:22:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:22:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 05:22:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:22:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:22:28,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:22:28,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 05:22:28,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 05:22:28,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:22:28,745 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:22:28,747 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:22:28,900 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 05:22:28,901 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:22:28,933 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:22:28,933 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:22:28,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:28 BoogieIcfgContainer [2024-11-25 05:22:28,934 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:22:28,935 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:22:28,935 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:22:28,944 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:22:28,944 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:28" (1/1) ... [2024-11-25 05:22:28,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:22:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 05:22:29,015 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 05:22:29,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:22:29,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:29,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:22:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:29,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:22:29,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:29,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-25 05:22:29,465 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-25 05:22:29,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:22:29,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:29,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:22:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:22:29,572 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:22:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:22:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:22:29,797 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:22:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:22:29,854 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 05:22:29,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:22:29 ImpRootNode [2024-11-25 05:22:29,901 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:22:29,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:22:29,903 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:22:29,904 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:22:29,905 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:28" (3/4) ... [2024-11-25 05:22:29,908 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:22:29,909 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:22:29,913 INFO L158 Benchmark]: Toolchain (without parser) took 3037.34ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 77.1MB in the end (delta: 5.0MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-11-25 05:22:29,913 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:29,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1543.44ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 74.7MB in the end (delta: 7.4MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 05:22:29,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.41ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 72.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:29,917 INFO L158 Benchmark]: Boogie Preprocessor took 32.23ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 70.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:22:29,918 INFO L158 Benchmark]: RCFGBuilder took 428.40ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 56.6MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:22:29,919 INFO L158 Benchmark]: CodeCheck took 966.96ms. Allocated memory is still 117.4MB. Free memory was 56.0MB in the beginning and 77.8MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:29,920 INFO L158 Benchmark]: Witness Printer took 7.06ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 77.1MB in the end (delta: 697.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:29,926 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1581]: 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 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_fgets_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataArray={27860:0}, 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) [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_multiply_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1579] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1543.44ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 74.7MB in the end (delta: 7.4MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.41ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 72.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.23ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 70.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 428.40ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 56.6MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 966.96ms. Allocated memory is still 117.4MB. Free memory was 56.0MB in the beginning and 77.8MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.06ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 77.1MB in the end (delta: 697.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:22:29,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3 --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 f51cd66cc8ab187e6d0f388d838666fcffc43452be13bff3e7ff354d13db6cea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:22:33,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:22:33,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 05:22:33,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:22:33,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:22:33,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:22:33,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:22:33,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:22:33,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:22:33,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:22:33,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:22:33,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:22:33,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:22:33,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:22:33,320 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:22:33,321 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:22:33,321 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:22:33,321 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:22:33,321 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:22:33,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:22:33,321 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:22:33,322 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:22:33,322 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:22:33,322 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:22:33,322 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:22:33,322 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:33,322 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:22:33,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:22:33,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:22:33,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:22:33,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:22:33,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:22:33,323 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:22:33,324 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:33,324 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:22:33,324 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_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3 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 -> f51cd66cc8ab187e6d0f388d838666fcffc43452be13bff3e7ff354d13db6cea [2024-11-25 05:22:33,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:22:33,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:22:33,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:22:33,724 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:22:33,724 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:22:33,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i [2024-11-25 05:22:37,120 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/data/8c8d4daf3/1b050778e2764e8583ddff94d6fed327/FLAGc13fcf80f [2024-11-25 05:22:37,596 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:22:37,601 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i [2024-11-25 05:22:37,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/data/8c8d4daf3/1b050778e2764e8583ddff94d6fed327/FLAGc13fcf80f [2024-11-25 05:22:37,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/data/8c8d4daf3/1b050778e2764e8583ddff94d6fed327 [2024-11-25 05:22:37,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:22:37,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:22:37,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:22:37,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:22:37,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:22:37,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:37" (1/1) ... [2024-11-25 05:22:37,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@460a3270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:37, skipping insertion in model container [2024-11-25 05:22:37,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:37" (1/1) ... [2024-11-25 05:22:37,773 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:22:38,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:22:38,890 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:22:39,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:22:39,173 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:22:39,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:39 WrapperNode [2024-11-25 05:22:39,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:22:39,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:22:39,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:22:39,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:22:39,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:39" (1/1) ... [2024-11-25 05:22:39,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:39" (1/1) ... [2024-11-25 05:22:39,224 INFO L138 Inliner]: procedures = 504, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-11-25 05:22:39,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:22:39,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:22:39,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:22:39,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:22:39,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:39" (1/1) ... [2024-11-25 05:22:39,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:39" (1/1) ... [2024-11-25 05:22:39,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:39" (1/1) ... [2024-11-25 05:22:39,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:39" (1/1) ... [2024-11-25 05:22:39,247 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:39" (1/1) ... [2024-11-25 05:22:39,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:39" (1/1) ... [2024-11-25 05:22:39,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:39" (1/1) ... [2024-11-25 05:22:39,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:39" (1/1) ... [2024-11-25 05:22:39,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:39" (1/1) ... [2024-11-25 05:22:39,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:22:39,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:22:39,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:22:39,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:22:39,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:39" (1/1) ... [2024-11-25 05:22:39,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:22:39,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:22:39,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:22:39,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:22:39,341 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 05:22:39,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 05:22:39,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:22:39,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:22:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:22:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:22:39,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:22:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 05:22:39,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 05:22:39,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 05:22:39,566 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:22:39,570 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:22:39,798 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 05:22:39,798 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:22:39,871 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:22:39,871 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:22:39,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:39 BoogieIcfgContainer [2024-11-25 05:22:39,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:22:39,872 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:22:39,873 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:22:39,884 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:22:39,884 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:39" (1/1) ... [2024-11-25 05:22:39,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:22:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 05:22:39,956 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 05:22:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:22:39,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:39,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:39,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:39,969 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:39,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:22:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:40,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:40,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:22:40,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:40,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:22:40,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:22:40,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-25 05:22:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-25 05:22:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:22:40,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:40,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:40,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:40,451 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:40,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:22:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:22:40,695 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:22:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:22:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:22:40,877 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:22:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:22:40,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 05:22:40,940 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 05:22:40,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:22:40 ImpRootNode [2024-11-25 05:22:40,980 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:22:40,981 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:22:40,981 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:22:40,981 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:22:40,983 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:39" (3/4) ... [2024-11-25 05:22:40,985 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:22:40,987 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:22:40,990 INFO L158 Benchmark]: Toolchain (without parser) took 3307.86ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 59.0MB in the end (delta: 29.5MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-11-25 05:22:40,991 INFO L158 Benchmark]: CDTParser took 3.58ms. Allocated memory is still 117.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:40,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1492.33ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 66.5MB in the end (delta: 21.7MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-25 05:22:40,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.30ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 63.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:40,993 INFO L158 Benchmark]: Boogie Preprocessor took 31.19ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:40,993 INFO L158 Benchmark]: RCFGBuilder took 614.42ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 44.3MB in the end (delta: 17.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:22:40,995 INFO L158 Benchmark]: CodeCheck took 1107.57ms. Allocated memory is still 117.4MB. Free memory was 44.3MB in the beginning and 59.0MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:40,996 INFO L158 Benchmark]: Witness Printer took 6.19ms. Allocated memory is still 117.4MB. Free memory was 59.0MB in the beginning and 59.0MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:40,999 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 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, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 71 ConjunctsInSsa, 2 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1581]: 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 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_fgets_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataArray={5:0}, 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) [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_multiply_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1579] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.58ms. Allocated memory is still 117.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1492.33ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 66.5MB in the end (delta: 21.7MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.30ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 63.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.19ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 614.42ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 44.3MB in the end (delta: 17.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1107.57ms. Allocated memory is still 117.4MB. Free memory was 44.3MB in the beginning and 59.0MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.19ms. Allocated memory is still 117.4MB. Free memory was 59.0MB in the beginning and 59.0MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:22:41,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90053f9-84b0-4ad2-9082-222d407d3f7d/bin/ukojak-verify-ENZ3QT5qd3/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