./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_06_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_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4a62b2de8890ec813aa852c8a58f76205e53f8ff37d53e2956fb619261f9feea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:38:49,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:38:49,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:38:49,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:38:49,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:38:49,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:38:49,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:38:49,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:38:49,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:38:49,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:38:49,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:38:49,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:38:49,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:38:49,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:38:49,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:38:49,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:38:49,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:38:49,542 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:38:49,542 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:38:49,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:38:49,542 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:38:49,542 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:38:49,543 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:38:49,543 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:38:49,543 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:38:49,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:38:49,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:38:49,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:38:49,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:38:49,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:38:49,543 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:38:49,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:38:49,544 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_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a62b2de8890ec813aa852c8a58f76205e53f8ff37d53e2956fb619261f9feea [2024-11-25 04:38:49,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:38:49,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:38:49,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:38:49,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:38:49,974 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:38:49,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_06_bad.i [2024-11-25 04:38:53,426 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/data/1d4f1a57c/ec97674dac7a4076b5ec687237c75bcc/FLAG1e870e81f [2024-11-25 04:38:53,881 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:38:53,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_06_bad.i [2024-11-25 04:38:53,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/data/1d4f1a57c/ec97674dac7a4076b5ec687237c75bcc/FLAG1e870e81f [2024-11-25 04:38:53,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/data/1d4f1a57c/ec97674dac7a4076b5ec687237c75bcc [2024-11-25 04:38:53,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:38:53,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:38:53,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:38:53,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:38:53,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:38:53,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:38:53" (1/1) ... [2024-11-25 04:38:53,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba841d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:53, skipping insertion in model container [2024-11-25 04:38:53,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:38:53" (1/1) ... [2024-11-25 04:38:53,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:38:54,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:38:54,800 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:38:54,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:38:55,012 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:38:55,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:55 WrapperNode [2024-11-25 04:38:55,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:38:55,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:38:55,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:38:55,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:38:55,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:55" (1/1) ... [2024-11-25 04:38:55,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:55" (1/1) ... [2024-11-25 04:38:55,067 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-25 04:38:55,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:38:55,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:38:55,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:38:55,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:38:55,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:55" (1/1) ... [2024-11-25 04:38:55,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:55" (1/1) ... [2024-11-25 04:38:55,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:55" (1/1) ... [2024-11-25 04:38:55,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:55" (1/1) ... [2024-11-25 04:38:55,084 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:55" (1/1) ... [2024-11-25 04:38:55,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:55" (1/1) ... [2024-11-25 04:38:55,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:55" (1/1) ... [2024-11-25 04:38:55,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:55" (1/1) ... [2024-11-25 04:38:55,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:55" (1/1) ... [2024-11-25 04:38:55,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:38:55,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:38:55,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:38:55,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:38:55,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:55" (1/1) ... [2024-11-25 04:38:55,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:38:55,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:38:55,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:38:55,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:38:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:38:55,172 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:38:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:38:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:38:55,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:38:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:38:55,371 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:38:55,375 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:38:55,482 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 04:38:55,483 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:38:55,533 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:38:55,533 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:38:55,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:38:55 BoogieIcfgContainer [2024-11-25 04:38:55,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:38:55,534 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:38:55,534 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:38:55,543 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:38:55,544 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:38:55" (1/1) ... [2024-11-25 04:38:55,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:38:55,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:38:55,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 04:38:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 04:38:55,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:38:55,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:38:55,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:38:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:38:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:38:55,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:38:55,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 21 transitions. [2024-11-25 04:38:55,955 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-25 04:38:55,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:38:55,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:38:55,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:38:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:38:56,015 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:38:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:38:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:38:56,119 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:38:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:38:56,167 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 04:38:56,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:38:56 ImpRootNode [2024-11-25 04:38:56,207 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:38:56,209 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:38:56,209 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:38:56,209 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:38:56,210 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:38:55" (3/4) ... [2024-11-25 04:38:56,212 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:38:56,213 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:38:56,214 INFO L158 Benchmark]: Toolchain (without parser) took 2288.96ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 67.9MB in the end (delta: 33.8MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-25 04:38:56,214 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:38:56,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1087.43ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 42.9MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 04:38:56,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.22ms. Allocated memory is still 142.6MB. Free memory was 42.9MB in the beginning and 40.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:38:56,215 INFO L158 Benchmark]: Boogie Preprocessor took 22.67ms. Allocated memory is still 142.6MB. Free memory was 40.2MB in the beginning and 39.2MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:38:56,216 INFO L158 Benchmark]: RCFGBuilder took 441.26ms. Allocated memory is still 142.6MB. Free memory was 39.2MB in the beginning and 92.6MB in the end (delta: -53.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-11-25 04:38:56,216 INFO L158 Benchmark]: CodeCheck took 673.78ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 67.9MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:38:56,216 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 67.9MB in the end (delta: 12.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:38:56,222 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 15 mSDtfsCounter, 6 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, 0.1s 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: 1570]: 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 const int STATIC_CONST_FIVE = 5; [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL CWE191_Integer_Underflow__int_fgets_predec_06_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1567] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1087.43ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 42.9MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.22ms. Allocated memory is still 142.6MB. Free memory was 42.9MB in the beginning and 40.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.67ms. Allocated memory is still 142.6MB. Free memory was 40.2MB in the beginning and 39.2MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 441.26ms. Allocated memory is still 142.6MB. Free memory was 39.2MB in the beginning and 92.6MB in the end (delta: -53.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * CodeCheck took 673.78ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 67.9MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 67.9MB in the end (delta: 12.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:38:56,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4a62b2de8890ec813aa852c8a58f76205e53f8ff37d53e2956fb619261f9feea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:38:59,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:38:59,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:38:59,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:38:59,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:38:59,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:38:59,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:38:59,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:38:59,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:38:59,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:38:59,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:38:59,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:38:59,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:38:59,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:38:59,216 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:38:59,216 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:38:59,216 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:38:59,216 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:38:59,216 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:38:59,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:38:59,216 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:38:59,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:38:59,216 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:38:59,216 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:38:59,217 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:38:59,217 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:38:59,217 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:38:59,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:38:59,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:38:59,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:38:59,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:38:59,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:38:59,218 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:38:59,218 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:38:59,218 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:38:59,218 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_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a62b2de8890ec813aa852c8a58f76205e53f8ff37d53e2956fb619261f9feea [2024-11-25 04:38:59,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:38:59,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:38:59,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:38:59,571 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:38:59,572 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:38:59,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_06_bad.i [2024-11-25 04:39:03,092 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/data/f6394aab0/bf6cfcd88059445293d7bf28200e2fa2/FLAGbd2e613fc [2024-11-25 04:39:03,692 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:39:03,693 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_06_bad.i [2024-11-25 04:39:03,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/data/f6394aab0/bf6cfcd88059445293d7bf28200e2fa2/FLAGbd2e613fc [2024-11-25 04:39:04,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/data/f6394aab0/bf6cfcd88059445293d7bf28200e2fa2 [2024-11-25 04:39:04,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:39:04,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:39:04,200 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:39:04,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:39:04,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:39:04,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:39:04" (1/1) ... [2024-11-25 04:39:04,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6402728d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:04, skipping insertion in model container [2024-11-25 04:39:04,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:39:04" (1/1) ... [2024-11-25 04:39:04,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:39:05,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:39:05,579 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:39:05,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:39:06,023 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:39:06,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:06 WrapperNode [2024-11-25 04:39:06,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:39:06,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:39:06,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:39:06,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:39:06,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:06" (1/1) ... [2024-11-25 04:39:06,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:06" (1/1) ... [2024-11-25 04:39:06,114 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-25 04:39:06,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:39:06,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:39:06,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:39:06,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:39:06,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:06" (1/1) ... [2024-11-25 04:39:06,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:06" (1/1) ... [2024-11-25 04:39:06,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:06" (1/1) ... [2024-11-25 04:39:06,134 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:06" (1/1) ... [2024-11-25 04:39:06,147 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:06" (1/1) ... [2024-11-25 04:39:06,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:06" (1/1) ... [2024-11-25 04:39:06,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:06" (1/1) ... [2024-11-25 04:39:06,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:06" (1/1) ... [2024-11-25 04:39:06,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:06" (1/1) ... [2024-11-25 04:39:06,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:39:06,159 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:39:06,159 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:39:06,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:39:06,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:06" (1/1) ... [2024-11-25 04:39:06,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:39:06,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:39:06,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:39:06,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:39:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:39:06,241 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:39:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:39:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:39:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:39:06,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:39:06,449 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:39:06,452 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:39:06,673 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-25 04:39:06,673 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:39:06,765 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:39:06,765 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:39:06,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:06 BoogieIcfgContainer [2024-11-25 04:39:06,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:39:06,768 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:39:06,768 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:39:06,781 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:39:06,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:06" (1/1) ... [2024-11-25 04:39:06,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:39:06,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:06,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 04:39:06,853 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 04:39:06,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:39:06,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:06,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:39:06,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:39:06,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:39:06,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:39:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:07,030 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:39:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:07,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:39:07,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:39:07,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:39:07,161 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:39:07,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:39:07,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:07,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 26 transitions. [2024-11-25 04:39:07,247 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-25 04:39:07,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:39:07,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:07,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:39:07,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:39:07,252 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:39:07,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:39:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:07,411 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:39:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:07,516 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:39:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:07,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:39:07,566 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 04:39:07,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:39:07 ImpRootNode [2024-11-25 04:39:07,622 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:39:07,623 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:39:07,623 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:39:07,623 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:39:07,624 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:06" (3/4) ... [2024-11-25 04:39:07,626 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:39:07,627 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:39:07,630 INFO L158 Benchmark]: Toolchain (without parser) took 3432.26ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 67.7MB in the end (delta: 22.4MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-25 04:39:07,631 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:07,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1826.18ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 77.1MB in the end (delta: 13.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-25 04:39:07,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.71ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 74.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:07,632 INFO L158 Benchmark]: Boogie Preprocessor took 43.51ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:07,632 INFO L158 Benchmark]: RCFGBuilder took 606.87ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 56.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:39:07,632 INFO L158 Benchmark]: CodeCheck took 853.87ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 67.7MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:07,633 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 67.7MB in the end (delta: 9.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:07,637 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 23 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, 17 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 68 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, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 34 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: 1570]: 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 const int STATIC_CONST_FIVE = 5; [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL CWE191_Integer_Underflow__int_fgets_predec_06_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1567] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1826.18ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 77.1MB in the end (delta: 13.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.71ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 74.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.51ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 606.87ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 56.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 853.87ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 67.7MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 67.7MB in the end (delta: 9.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:39:07,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f189a1-e99f-42c8-b6db-83a0368f1ac3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample