./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_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_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/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_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/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_72c35db2-1120-4cfe-a9df-e737dfb03e76/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 2d26319dc8ca473618b013abe735255f59d6514fb3c3118bb57512acd3d6a6fb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:10:59,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:10:59,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:10:59,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:10:59,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:10:59,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:10:59,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:10:59,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:10:59,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:10:59,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:10:59,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:10:59,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:10:59,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:10:59,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:10:59,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:10:59,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:10:59,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:10:59,974 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:10:59,974 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:10:59,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:10:59,974 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:10:59,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:10:59,975 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:10:59,975 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:10:59,975 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:10:59,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:10:59,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:10:59,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:10:59,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:10:59,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:10:59,975 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:10:59,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:10:59,976 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_72c35db2-1120-4cfe-a9df-e737dfb03e76/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 -> 2d26319dc8ca473618b013abe735255f59d6514fb3c3118bb57512acd3d6a6fb [2024-12-06 05:11:00,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:11:00,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:11:00,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:11:00,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:11:00,251 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:11:00,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2024-12-06 05:11:03,006 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/data/bf577e72b/dd56b2693bf541879294588945b997db/FLAG25aaed5a7 [2024-12-06 05:11:03,326 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:11:03,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2024-12-06 05:11:03,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/data/bf577e72b/dd56b2693bf541879294588945b997db/FLAG25aaed5a7 [2024-12-06 05:11:03,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/data/bf577e72b/dd56b2693bf541879294588945b997db [2024-12-06 05:11:03,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:11:03,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:11:03,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:11:03,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:11:03,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:11:03,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:11:03" (1/1) ... [2024-12-06 05:11:03,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6431aeb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:03, skipping insertion in model container [2024-12-06 05:11:03,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:11:03" (1/1) ... [2024-12-06 05:11:03,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:11:04,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:11:04,346 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:11:04,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:11:04,528 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:11:04,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:04 WrapperNode [2024-12-06 05:11:04,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:11:04,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:11:04,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:11:04,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:11:04,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:04" (1/1) ... [2024-12-06 05:11:04,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:04" (1/1) ... [2024-12-06 05:11:04,561 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2024-12-06 05:11:04,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:11:04,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:11:04,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:11:04,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:11:04,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:04" (1/1) ... [2024-12-06 05:11:04,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:04" (1/1) ... [2024-12-06 05:11:04,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:04" (1/1) ... [2024-12-06 05:11:04,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:04" (1/1) ... [2024-12-06 05:11:04,576 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:04" (1/1) ... [2024-12-06 05:11:04,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:04" (1/1) ... [2024-12-06 05:11:04,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:04" (1/1) ... [2024-12-06 05:11:04,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:04" (1/1) ... [2024-12-06 05:11:04,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:04" (1/1) ... [2024-12-06 05:11:04,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:11:04,583 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:11:04,583 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:11:04,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:11:04,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:04" (1/1) ... [2024-12-06 05:11:04,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:11:04,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:11:04,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:11:04,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:11:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:11:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:11:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:11:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:11:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:11:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:11:04,743 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:11:04,744 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:11:04,845 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-06 05:11:04,845 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:11:04,879 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:11:04,879 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:11:04,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:11:04 BoogieIcfgContainer [2024-12-06 05:11:04,880 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:11:04,881 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:11:04,881 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:11:04,888 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:11:04,889 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:11:04" (1/1) ... [2024-12-06 05:11:04,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:11:04,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:04,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 05:11:04,936 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 05:11:04,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:11:04,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:04,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:05,152 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 05:11:05,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:05,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-12-06 05:11:05,190 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-12-06 05:11:05,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:11:05,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:05,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:11:05,227 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:11:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:11:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:11:05,311 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:11:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:11:05,342 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 05:11:05,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:11:05 ImpRootNode [2024-12-06 05:11:05,367 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:11:05,368 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:11:05,368 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:11:05,368 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:11:05,368 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:11:04" (3/4) ... [2024-12-06 05:11:05,370 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:11:05,371 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:11:05,371 INFO L158 Benchmark]: Toolchain (without parser) took 1812.98ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 59.0MB in the end (delta: 56.3MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-12-06 05:11:05,372 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 81.5MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:11:05,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 969.62ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 106.5MB in the end (delta: 8.8MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-12-06 05:11:05,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.74ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 103.6MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:11:05,373 INFO L158 Benchmark]: Boogie Preprocessor took 20.82ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 102.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:11:05,374 INFO L158 Benchmark]: RCFGBuilder took 297.00ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 88.6MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:11:05,374 INFO L158 Benchmark]: CodeCheck took 486.48ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 59.5MB in the end (delta: 29.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 05:11:05,375 INFO L158 Benchmark]: Witness Printer took 2.96ms. Allocated memory is still 142.6MB. Free memory was 59.5MB in the beginning and 59.0MB in the end (delta: 531.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:11:05,377 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1554] 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] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_52b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_52c_badSink(data) [L1581] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 81.5MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 969.62ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 106.5MB in the end (delta: 8.8MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.74ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 103.6MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.82ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 102.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.00ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 88.6MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 486.48ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 59.5MB in the end (delta: 29.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 2.96ms. Allocated memory is still 142.6MB. Free memory was 59.5MB in the beginning and 59.0MB in the end (delta: 531.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:11:05,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/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_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/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_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/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_72c35db2-1120-4cfe-a9df-e737dfb03e76/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 2d26319dc8ca473618b013abe735255f59d6514fb3c3118bb57512acd3d6a6fb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:11:07,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:11:07,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 05:11:07,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:11:07,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:11:07,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:11:07,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:11:07,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:11:07,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:11:07,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:11:07,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:11:07,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:11:07,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:11:07,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:11:07,574 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:11:07,574 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:11:07,574 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:11:07,574 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:11:07,574 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:11:07,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:11:07,574 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:11:07,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:11:07,575 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:11:07,575 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:11:07,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:11:07,575 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:07,575 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:11:07,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:11:07,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:11:07,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:11:07,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:11:07,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:11:07,576 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:11:07,576 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:07,576 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:11:07,576 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_72c35db2-1120-4cfe-a9df-e737dfb03e76/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 -> 2d26319dc8ca473618b013abe735255f59d6514fb3c3118bb57512acd3d6a6fb [2024-12-06 05:11:07,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:11:07,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:11:07,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:11:07,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:11:07,849 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:11:07,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2024-12-06 05:11:10,579 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/data/e6e169820/80e7c113f0ca43caad93460fb8ed736d/FLAG8d741c545 [2024-12-06 05:11:10,884 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:11:10,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2024-12-06 05:11:10,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/data/e6e169820/80e7c113f0ca43caad93460fb8ed736d/FLAG8d741c545 [2024-12-06 05:11:10,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/data/e6e169820/80e7c113f0ca43caad93460fb8ed736d [2024-12-06 05:11:10,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:11:10,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:11:10,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:11:10,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:11:10,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:11:10,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:11:10" (1/1) ... [2024-12-06 05:11:10,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c79dd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:10, skipping insertion in model container [2024-12-06 05:11:10,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:11:10" (1/1) ... [2024-12-06 05:11:10,971 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:11:11,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:11:11,616 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:11:11,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:11:11,809 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:11:11,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:11 WrapperNode [2024-12-06 05:11:11,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:11:11,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:11:11,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:11:11,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:11:11,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:11" (1/1) ... [2024-12-06 05:11:11,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:11" (1/1) ... [2024-12-06 05:11:11,851 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 62 [2024-12-06 05:11:11,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:11:11,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:11:11,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:11:11,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:11:11,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:11" (1/1) ... [2024-12-06 05:11:11,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:11" (1/1) ... [2024-12-06 05:11:11,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:11" (1/1) ... [2024-12-06 05:11:11,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:11" (1/1) ... [2024-12-06 05:11:11,867 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:11" (1/1) ... [2024-12-06 05:11:11,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:11" (1/1) ... [2024-12-06 05:11:11,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:11" (1/1) ... [2024-12-06 05:11:11,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:11" (1/1) ... [2024-12-06 05:11:11,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:11" (1/1) ... [2024-12-06 05:11:11,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:11:11,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:11:11,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:11:11,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:11:11,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:11" (1/1) ... [2024-12-06 05:11:11,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:11:11,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:11:11,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:11:11,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:11:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:11:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:11:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:11:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:11:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:11:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:11:12,038 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:11:12,039 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:11:12,146 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-06 05:11:12,147 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:11:12,179 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:11:12,179 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:11:12,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:11:12 BoogieIcfgContainer [2024-12-06 05:11:12,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:11:12,181 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:11:12,181 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:11:12,188 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:11:12,189 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:11:12" (1/1) ... [2024-12-06 05:11:12,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:11:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:12,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 05:11:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 05:11:12,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:11:12,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:12,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:12,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:12,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:12,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:11:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:12,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:12,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:11:12,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:12,500 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 05:11:12,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:11:12,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-12-06 05:11:12,544 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-12-06 05:11:12,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:11:12,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:12,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:12,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:12,547 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:12,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:11:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:11:12,669 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:11:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:11:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:11:12,755 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:11:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:11:12,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:11:12,790 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 05:11:12,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:11:12 ImpRootNode [2024-12-06 05:11:12,811 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:11:12,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:11:12,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:11:12,812 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:11:12,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:11:12" (3/4) ... [2024-12-06 05:11:12,815 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:11:12,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:11:12,816 INFO L158 Benchmark]: Toolchain (without parser) took 1891.98ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 39.5MB in the end (delta: 26.4MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-12-06 05:11:12,817 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:11:12,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 884.48ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 60.2MB in the end (delta: 5.5MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-06 05:11:12,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.89ms. Allocated memory is still 92.3MB. Free memory was 60.2MB in the beginning and 57.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:11:12,818 INFO L158 Benchmark]: Boogie Preprocessor took 24.28ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 55.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:11:12,818 INFO L158 Benchmark]: RCFGBuilder took 302.85ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 39.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:11:12,819 INFO L158 Benchmark]: CodeCheck took 630.30ms. Allocated memory is still 92.3MB. Free memory was 39.9MB in the beginning and 39.5MB in the end (delta: 321.4kB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-12-06 05:11:12,819 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 92.3MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:11:12,821 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1554] 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] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_52b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_52c_badSink(data) [L1581] 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] [L1583] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 884.48ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 60.2MB in the end (delta: 5.5MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.89ms. Allocated memory is still 92.3MB. Free memory was 60.2MB in the beginning and 57.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.28ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 55.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 302.85ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 39.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 630.30ms. Allocated memory is still 92.3MB. Free memory was 39.9MB in the beginning and 39.5MB in the end (delta: 321.4kB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 92.3MB. Free memory was 39.5MB in the beginning and 39.5MB 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 05:11:12,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c35db2-1120-4cfe-a9df-e737dfb03e76/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