./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_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_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/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_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/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_44de0845-c3b4-4483-b6a1-026e68a7974b/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 8d9d1a0fafec05324327623425bba944144beaa272ae23d2023290f81e81057c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:51:45,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:51:45,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:51:45,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:51:45,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:51:45,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:51:45,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:51:45,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:51:45,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:51:45,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:51:45,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:51:45,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:51:45,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:51:45,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:51:45,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:51:45,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:51:45,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:51:45,756 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:51:45,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:51:45,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:51:45,756 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:51:45,756 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:51:45,756 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:51:45,756 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:51:45,756 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:51:45,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:51:45,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:51:45,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:51:45,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:51:45,757 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:51:45,757 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:51:45,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:51:45,757 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_44de0845-c3b4-4483-b6a1-026e68a7974b/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 -> 8d9d1a0fafec05324327623425bba944144beaa272ae23d2023290f81e81057c [2024-12-06 01:51:45,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:51:45,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:51:45,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:51:45,968 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:51:45,968 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:51:45,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_bad.i [2024-12-06 01:51:48,608 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/data/6559f8743/0a890bbba8184ef0ba833862c1b78567/FLAG17b1c4d5e [2024-12-06 01:51:48,911 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:51:48,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_bad.i [2024-12-06 01:51:48,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/data/6559f8743/0a890bbba8184ef0ba833862c1b78567/FLAG17b1c4d5e [2024-12-06 01:51:49,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/data/6559f8743/0a890bbba8184ef0ba833862c1b78567 [2024-12-06 01:51:49,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:51:49,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:51:49,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:51:49,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:51:49,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:51:49,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:51:49" (1/1) ... [2024-12-06 01:51:49,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b8ebf55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:49, skipping insertion in model container [2024-12-06 01:51:49,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:51:49" (1/1) ... [2024-12-06 01:51:49,226 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:51:49,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:51:49,810 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:51:49,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:51:49,979 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:51:49,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:49 WrapperNode [2024-12-06 01:51:49,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:51:49,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:51:49,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:51:49,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:51:49,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:49" (1/1) ... [2024-12-06 01:51:50,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:49" (1/1) ... [2024-12-06 01:51:50,022 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-12-06 01:51:50,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:51:50,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:51:50,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:51:50,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:51:50,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:49" (1/1) ... [2024-12-06 01:51:50,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:49" (1/1) ... [2024-12-06 01:51:50,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:49" (1/1) ... [2024-12-06 01:51:50,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:49" (1/1) ... [2024-12-06 01:51:50,034 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:49" (1/1) ... [2024-12-06 01:51:50,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:49" (1/1) ... [2024-12-06 01:51:50,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:49" (1/1) ... [2024-12-06 01:51:50,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:49" (1/1) ... [2024-12-06 01:51:50,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:49" (1/1) ... [2024-12-06 01:51:50,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:51:50,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:51:50,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:51:50,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:51:50,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:49" (1/1) ... [2024-12-06 01:51:50,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:51:50,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:51:50,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:51:50,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:51:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:51:50,084 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:51:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:51:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:51:50,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:51:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:51:50,190 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:51:50,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:51:50,286 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-06 01:51:50,286 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:51:50,314 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:51:50,315 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:51:50,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:51:50 BoogieIcfgContainer [2024-12-06 01:51:50,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:51:50,316 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:51:50,316 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:51:50,324 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:51:50,324 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:51:50" (1/1) ... [2024-12-06 01:51:50,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:51:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:51:50,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-12-06 01:51:50,379 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-12-06 01:51:50,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:51:50,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:51:50,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:51:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:51:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:51:50,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 23 transitions. [2024-12-06 01:51:50,588 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-06 01:51:50,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:51:50,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:51:50,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:51:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:51:50,626 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:51:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:51:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:51:50,695 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:51:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:51:50,725 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:51:50,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:51:50 ImpRootNode [2024-12-06 01:51:50,749 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:51:50,750 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:51:50,750 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:51:50,750 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:51:50,751 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:51:50" (3/4) ... [2024-12-06 01:51:50,753 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:51:50,754 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:51:50,755 INFO L158 Benchmark]: Toolchain (without parser) took 1564.71ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 71.9MB in the end (delta: 41.7MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-06 01:51:50,755 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:51:50,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.81ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 54.6MB in the end (delta: 59.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 01:51:50,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.96ms. Allocated memory is still 142.6MB. Free memory was 54.6MB in the beginning and 112.9MB in the end (delta: -58.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-12-06 01:51:50,756 INFO L158 Benchmark]: Boogie Preprocessor took 15.99ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 112.2MB in the end (delta: 654.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:51:50,756 INFO L158 Benchmark]: RCFGBuilder took 275.34ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 98.4MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:51:50,757 INFO L158 Benchmark]: CodeCheck took 433.59ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 72.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:51:50,757 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 142.6MB. Free memory was 72.5MB in the beginning and 71.9MB in the end (delta: 654.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:51:50,759 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, 19 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, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 17 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 69 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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 1559, overapproximation of fgets at line 1557. 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 staticFive = 5; [L1579] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1579] 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, staticFive=5] [L1580] CALL CWE191_Integer_Underflow__int_fgets_multiply_07_bad() [L1551] int data; [L1552] 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, staticFive=5] [L1553] COND TRUE staticFive==5 [L1556] 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, staticFive=5] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1567] COND TRUE staticFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1569] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1571] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.81ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 54.6MB in the end (delta: 59.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.96ms. Allocated memory is still 142.6MB. Free memory was 54.6MB in the beginning and 112.9MB in the end (delta: -58.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.99ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 112.2MB in the end (delta: 654.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.34ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 98.4MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 433.59ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 72.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 142.6MB. Free memory was 72.5MB in the beginning and 71.9MB in the end (delta: 654.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:51:50,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/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_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/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_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/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_44de0845-c3b4-4483-b6a1-026e68a7974b/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 8d9d1a0fafec05324327623425bba944144beaa272ae23d2023290f81e81057c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:51:52,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:51:52,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:51:52,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:51:52,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:51:52,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:51:52,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:51:52,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:51:52,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:51:52,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:51:52,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:51:52,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:51:52,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:51:52,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:51:52,836 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:51:52,836 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:51:52,836 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:51:52,836 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:51:52,836 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:51:52,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:51:52,837 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:51:52,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:51:52,837 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:51:52,837 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:51:52,837 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:51:52,837 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:51:52,837 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:51:52,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:51:52,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:51:52,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:51:52,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:51:52,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:51:52,838 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:51:52,838 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:51:52,838 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:51:52,838 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_44de0845-c3b4-4483-b6a1-026e68a7974b/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 -> 8d9d1a0fafec05324327623425bba944144beaa272ae23d2023290f81e81057c [2024-12-06 01:51:53,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:51:53,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:51:53,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:51:53,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:51:53,073 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:51:53,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_bad.i [2024-12-06 01:51:55,727 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/data/eff7bd982/a072482b4b9645ec9b971aa925c5ff2c/FLAGc05627da1 [2024-12-06 01:51:56,044 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:51:56,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_bad.i [2024-12-06 01:51:56,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/data/eff7bd982/a072482b4b9645ec9b971aa925c5ff2c/FLAGc05627da1 [2024-12-06 01:51:56,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/data/eff7bd982/a072482b4b9645ec9b971aa925c5ff2c [2024-12-06 01:51:56,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:51:56,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:51:56,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:51:56,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:51:56,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:51:56,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:51:56" (1/1) ... [2024-12-06 01:51:56,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332de29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:56, skipping insertion in model container [2024-12-06 01:51:56,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:51:56" (1/1) ... [2024-12-06 01:51:56,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:51:56,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:51:56,718 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:51:56,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:51:56,914 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:51:56,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:56 WrapperNode [2024-12-06 01:51:56,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:51:56,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:51:56,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:51:56,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:51:56,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:56" (1/1) ... [2024-12-06 01:51:56,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:56" (1/1) ... [2024-12-06 01:51:56,955 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-12-06 01:51:56,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:51:56,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:51:56,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:51:56,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:51:56,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:56" (1/1) ... [2024-12-06 01:51:56,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:56" (1/1) ... [2024-12-06 01:51:56,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:56" (1/1) ... [2024-12-06 01:51:56,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:56" (1/1) ... [2024-12-06 01:51:56,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:56" (1/1) ... [2024-12-06 01:51:56,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:56" (1/1) ... [2024-12-06 01:51:56,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:56" (1/1) ... [2024-12-06 01:51:56,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:56" (1/1) ... [2024-12-06 01:51:56,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:56" (1/1) ... [2024-12-06 01:51:56,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:51:56,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:51:56,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:51:56,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:51:56,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:51:56" (1/1) ... [2024-12-06 01:51:56,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:51:56,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:51:57,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:51:57,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:51:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:51:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:51:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:51:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:51:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:51:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:51:57,143 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:51:57,145 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:51:57,251 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-06 01:51:57,252 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:51:57,282 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:51:57,282 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:51:57,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:51:57 BoogieIcfgContainer [2024-12-06 01:51:57,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:51:57,283 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:51:57,283 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:51:57,290 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:51:57,290 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:51:57" (1/1) ... [2024-12-06 01:51:57,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:51:57,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:51:57,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-12-06 01:51:57,330 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-12-06 01:51:57,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:51:57,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:51:57,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:51:57,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:51:57,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:51:57,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:51:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:57,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:51:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:57,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:51:57,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:51:57,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:51:57,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:51:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:51:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 28 transitions. [2024-12-06 01:51:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-06 01:51:57,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:51:57,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:51:57,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:51:57,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:51:57,568 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:51:57,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:51:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:51:57,710 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:51:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:51:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:51:57,799 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:51:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:51:57,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:51:57,833 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:51:57,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:51:57 ImpRootNode [2024-12-06 01:51:57,857 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:51:57,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:51:57,858 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:51:57,858 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:51:57,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:51:57" (3/4) ... [2024-12-06 01:51:57,861 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:51:57,862 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:51:57,862 INFO L158 Benchmark]: Toolchain (without parser) took 1786.48ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 45.1MB in the end (delta: 20.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-12-06 01:51:57,863 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:51:57,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.67ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 62.0MB in the end (delta: 3.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-06 01:51:57,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.61ms. Allocated memory is still 92.3MB. Free memory was 62.0MB in the beginning and 59.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:51:57,864 INFO L158 Benchmark]: Boogie Preprocessor took 23.30ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 57.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:51:57,864 INFO L158 Benchmark]: RCFGBuilder took 302.60ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 41.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:51:57,865 INFO L158 Benchmark]: CodeCheck took 574.28ms. Allocated memory is still 92.3MB. Free memory was 41.7MB in the beginning and 45.2MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:51:57,865 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 92.3MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:51:57,867 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, 19 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, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 19 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 76 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 35 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 1559, overapproximation of fgets at line 1557. 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 staticFive = 5; [L1579] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1579] 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, staticFive=5] [L1580] CALL CWE191_Integer_Underflow__int_fgets_multiply_07_bad() [L1551] int data; [L1552] 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, staticFive=5] [L1553] COND TRUE staticFive==5 [L1556] 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, staticFive=5] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1567] COND TRUE staticFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1569] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1571] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.67ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 62.0MB in the end (delta: 3.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.61ms. Allocated memory is still 92.3MB. Free memory was 62.0MB in the beginning and 59.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.30ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 57.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 302.60ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 41.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 574.28ms. Allocated memory is still 92.3MB. Free memory was 41.7MB in the beginning and 45.2MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 92.3MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:51:57,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44de0845-c3b4-4483-b6a1-026e68a7974b/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample