./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_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_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7a54320afe5e84b54912feba47561a57a8d4c74bd3349c64b2c951f84395553 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:03:23,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:03:23,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:03:23,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:03:23,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:03:23,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:03:23,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:03:23,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:03:23,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:03:23,673 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:03:23,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:03:23,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:03:23,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:03:23,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:03:23,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:03:23,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:03:23,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:03:23,674 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:03:23,674 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:03:23,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:03:23,674 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:03:23,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:03:23,674 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:03:23,675 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:03:23,675 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:03:23,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:03:23,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:03:23,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:03:23,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:03:23,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:03:23,675 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:03:23,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:03:23,675 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_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7a54320afe5e84b54912feba47561a57a8d4c74bd3349c64b2c951f84395553 [2024-12-05 22:03:23,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:03:23,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:03:23,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:03:23,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:03:23,915 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:03:23,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i [2024-12-05 22:03:26,584 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/data/ddcdda4e1/c31673fa8afd41aebc9eb9502c597c3b/FLAG7fa4738e4 [2024-12-05 22:03:26,898 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:03:26,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i [2024-12-05 22:03:26,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/data/ddcdda4e1/c31673fa8afd41aebc9eb9502c597c3b/FLAG7fa4738e4 [2024-12-05 22:03:26,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/data/ddcdda4e1/c31673fa8afd41aebc9eb9502c597c3b [2024-12-05 22:03:26,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:03:26,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:03:26,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:03:26,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:03:26,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:03:26,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:03:26" (1/1) ... [2024-12-05 22:03:26,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1443941e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:26, skipping insertion in model container [2024-12-05 22:03:26,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:03:26" (1/1) ... [2024-12-05 22:03:26,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:03:27,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:03:27,637 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:03:27,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:03:27,791 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:03:27,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:27 WrapperNode [2024-12-05 22:03:27,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:03:27,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:03:27,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:03:27,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:03:27,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:27" (1/1) ... [2024-12-05 22:03:27,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:27" (1/1) ... [2024-12-05 22:03:27,838 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-12-05 22:03:27,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:03:27,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:03:27,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:03:27,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:03:27,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:27" (1/1) ... [2024-12-05 22:03:27,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:27" (1/1) ... [2024-12-05 22:03:27,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:27" (1/1) ... [2024-12-05 22:03:27,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:27" (1/1) ... [2024-12-05 22:03:27,851 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:27" (1/1) ... [2024-12-05 22:03:27,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:27" (1/1) ... [2024-12-05 22:03:27,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:27" (1/1) ... [2024-12-05 22:03:27,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:27" (1/1) ... [2024-12-05 22:03:27,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:27" (1/1) ... [2024-12-05 22:03:27,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:03:27,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:03:27,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:03:27,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:03:27,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:27" (1/1) ... [2024-12-05 22:03:27,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:03:27,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:03:27,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:03:27,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:03:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:03:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:03:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:03:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:03:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:03:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:03:28,017 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:03:28,018 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:03:28,114 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-05 22:03:28,114 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:03:28,145 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:03:28,145 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:03:28,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:03:28 BoogieIcfgContainer [2024-12-05 22:03:28,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:03:28,146 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:03:28,146 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:03:28,156 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:03:28,156 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:03:28" (1/1) ... [2024-12-05 22:03:28,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:03:28,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:03:28,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-05 22:03:28,206 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-05 22:03:28,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:03:28,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:03:28,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:03:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:03:28,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:03:28,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:03:28,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 21 transitions. [2024-12-05 22:03:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-12-05 22:03:28,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:03:28,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:03:28,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:03:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:03:28,468 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:03:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:03:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:03:28,540 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:03:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:03:28,568 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 22:03:28,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:03:28 ImpRootNode [2024-12-05 22:03:28,591 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:03:28,592 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:03:28,592 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:03:28,592 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:03:28,593 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:03:28" (3/4) ... [2024-12-05 22:03:28,595 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:03:28,595 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:03:28,596 INFO L158 Benchmark]: Toolchain (without parser) took 1658.54ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 69.3MB in the end (delta: 45.1MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-12-05 22:03:28,596 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:03:28,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 852.89ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 53.9MB in the end (delta: 60.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 22:03:28,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.21ms. Allocated memory is still 142.6MB. Free memory was 53.9MB in the beginning and 112.9MB in the end (delta: -59.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-05 22:03:28,598 INFO L158 Benchmark]: Boogie Preprocessor took 18.75ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 111.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:03:28,598 INFO L158 Benchmark]: RCFGBuilder took 287.27ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 97.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:03:28,598 INFO L158 Benchmark]: CodeCheck took 445.01ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 69.3MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:03:28,599 INFO L158 Benchmark]: Witness Printer took 3.60ms. Allocated memory is still 142.6MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:03:28,600 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 15 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 62 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of fgets at line 1558. 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1580] 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, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] 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, staticFalse=0, staticTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_postdec_05_bad() [L1552] int data; [L1553] data = 0 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, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] 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, staticFalse=0, staticTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1568] COND TRUE \read(staticTrue) [L1571] 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, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 852.89ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 53.9MB in the end (delta: 60.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.21ms. Allocated memory is still 142.6MB. Free memory was 53.9MB in the beginning and 112.9MB in the end (delta: -59.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.75ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 111.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.27ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 97.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 445.01ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 69.3MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.60ms. Allocated memory is still 142.6MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:03:28,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7a54320afe5e84b54912feba47561a57a8d4c74bd3349c64b2c951f84395553 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:03:30,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:03:30,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 22:03:30,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:03:30,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:03:30,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:03:30,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:03:30,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:03:30,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:03:30,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:03:30,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:03:30,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:03:30,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:03:30,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:03:30,640 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:03:30,641 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:03:30,641 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:03:30,641 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:03:30,641 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:03:30,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:03:30,641 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:03:30,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:03:30,641 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:03:30,641 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:03:30,642 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:03:30,642 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:03:30,642 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:03:30,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:03:30,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:03:30,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:03:30,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:03:30,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:03:30,642 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:03:30,643 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:03:30,643 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:03:30,643 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_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7a54320afe5e84b54912feba47561a57a8d4c74bd3349c64b2c951f84395553 [2024-12-05 22:03:30,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:03:30,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:03:30,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:03:30,871 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:03:30,871 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:03:30,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i [2024-12-05 22:03:33,507 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/data/65f241a3d/951fad6864c14cdba8553a484542ea71/FLAG638568d1d [2024-12-05 22:03:33,790 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:03:33,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i [2024-12-05 22:03:33,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/data/65f241a3d/951fad6864c14cdba8553a484542ea71/FLAG638568d1d [2024-12-05 22:03:34,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/data/65f241a3d/951fad6864c14cdba8553a484542ea71 [2024-12-05 22:03:34,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:03:34,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:03:34,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:03:34,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:03:34,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:03:34,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:03:34" (1/1) ... [2024-12-05 22:03:34,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2296fc3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:34, skipping insertion in model container [2024-12-05 22:03:34,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:03:34" (1/1) ... [2024-12-05 22:03:34,104 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:03:34,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:03:34,747 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:03:34,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:03:34,961 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:03:34,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:34 WrapperNode [2024-12-05 22:03:34,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:03:34,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:03:34,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:03:34,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:03:34,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:34" (1/1) ... [2024-12-05 22:03:34,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:34" (1/1) ... [2024-12-05 22:03:35,005 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-12-05 22:03:35,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:03:35,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:03:35,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:03:35,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:03:35,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:34" (1/1) ... [2024-12-05 22:03:35,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:34" (1/1) ... [2024-12-05 22:03:35,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:34" (1/1) ... [2024-12-05 22:03:35,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:34" (1/1) ... [2024-12-05 22:03:35,023 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:34" (1/1) ... [2024-12-05 22:03:35,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:34" (1/1) ... [2024-12-05 22:03:35,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:34" (1/1) ... [2024-12-05 22:03:35,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:34" (1/1) ... [2024-12-05 22:03:35,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:34" (1/1) ... [2024-12-05 22:03:35,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:03:35,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:03:35,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:03:35,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:03:35,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:34" (1/1) ... [2024-12-05 22:03:35,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:03:35,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:03:35,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:03:35,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:03:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:03:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:03:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:03:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:03:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:03:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:03:35,221 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:03:35,222 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:03:35,335 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-05 22:03:35,335 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:03:35,373 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:03:35,373 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:03:35,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:03:35 BoogieIcfgContainer [2024-12-05 22:03:35,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:03:35,374 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:03:35,374 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:03:35,381 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:03:35,381 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:03:35" (1/1) ... [2024-12-05 22:03:35,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:03:35,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:03:35,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-05 22:03:35,423 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-05 22:03:35,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:03:35,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:03:35,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:03:35,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:03:35,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:03:35,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:03:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:03:35,537 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:03:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:03:35,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:03:35,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:03:35,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:03:35,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-05 22:03:35,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:03:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-05 22:03:35,636 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-05 22:03:35,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:03:35,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:03:35,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:03:35,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:03:35,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:03:35,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:03:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:03:35,781 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:03:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:03:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:03:35,885 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:03:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:03:35,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:03:35,924 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 22:03:35,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:03:35 ImpRootNode [2024-12-05 22:03:35,949 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:03:35,949 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:03:35,949 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:03:35,949 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:03:35,950 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:03:35" (3/4) ... [2024-12-05 22:03:35,952 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:03:35,953 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:03:35,954 INFO L158 Benchmark]: Toolchain (without parser) took 1889.51ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.8MB in the beginning and 97.0MB in the end (delta: -30.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-12-05 22:03:35,954 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:03:35,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 896.84ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 63.9MB in the end (delta: 2.7MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-12-05 22:03:35,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.38ms. Allocated memory is still 92.3MB. Free memory was 63.9MB in the beginning and 61.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:03:35,955 INFO L158 Benchmark]: Boogie Preprocessor took 27.17ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 59.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:03:35,956 INFO L158 Benchmark]: RCFGBuilder took 339.80ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 42.5MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:03:35,956 INFO L158 Benchmark]: CodeCheck took 575.10ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 42.5MB in the beginning and 97.5MB in the end (delta: -55.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:03:35,956 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 97.0MB in the end (delta: 526.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:03:35,958 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 11 mSDtfsCounter, 5 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 36 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of fgets at line 1558. 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1580] 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, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] 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, staticFalse=0, staticTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_postdec_05_bad() [L1552] int data; [L1553] data = 0 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, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] 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, staticFalse=0, staticTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1568] COND TRUE \read(staticTrue) [L1571] 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, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 896.84ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 63.9MB in the end (delta: 2.7MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.38ms. Allocated memory is still 92.3MB. Free memory was 63.9MB in the beginning and 61.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.17ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 59.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 339.80ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 42.5MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 575.10ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 42.5MB in the beginning and 97.5MB in the end (delta: -55.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 97.0MB in the end (delta: 526.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:03:35,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eed9502-238a-446e-a5ce-73b5904a2fa6/bin/ukojak-verify-CZk0znPC7b/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample