./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_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_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/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_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/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_66c0d054-fd08-48fc-9ccd-841ecc406669/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 cb1a9f52359f2ddeb91e8f6c10211aed7069a453a7399847a9aff033a2bb2ec6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:35:16,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:35:16,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:35:16,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:35:16,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:35:16,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:35:16,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:35:16,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:35:16,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:35:16,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:35:16,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:35:16,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:35:16,580 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:35:16,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:35:16,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:35:16,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:35:16,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:35:16,580 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:35:16,580 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:35:16,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:35:16,580 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:35:16,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:35:16,580 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:35:16,581 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:35:16,581 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:35:16,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:35:16,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:35:16,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:35:16,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:35:16,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:35:16,581 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:35:16,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:35:16,582 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_66c0d054-fd08-48fc-9ccd-841ecc406669/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 -> cb1a9f52359f2ddeb91e8f6c10211aed7069a453a7399847a9aff033a2bb2ec6 [2024-12-06 03:35:16,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:35:16,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:35:16,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:35:16,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:35:16,817 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:35:16,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_bad.i [2024-12-06 03:35:19,512 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/data/47c2eb714/2660c1c9dc894f7a8212113ccd8a58a2/FLAGafa3e6a83 [2024-12-06 03:35:19,807 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:35:19,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_bad.i [2024-12-06 03:35:19,827 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/data/47c2eb714/2660c1c9dc894f7a8212113ccd8a58a2/FLAGafa3e6a83 [2024-12-06 03:35:19,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/data/47c2eb714/2660c1c9dc894f7a8212113ccd8a58a2 [2024-12-06 03:35:19,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:35:19,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:35:19,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:35:19,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:35:19,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:35:19,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:35:19" (1/1) ... [2024-12-06 03:35:19,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d86919c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:19, skipping insertion in model container [2024-12-06 03:35:19,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:35:19" (1/1) ... [2024-12-06 03:35:19,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:35:20,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:35:20,511 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:35:20,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:35:20,683 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:35:20,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:20 WrapperNode [2024-12-06 03:35:20,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:35:20,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:35:20,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:35:20,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:35:20,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:20" (1/1) ... [2024-12-06 03:35:20,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:20" (1/1) ... [2024-12-06 03:35:20,725 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-12-06 03:35:20,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:35:20,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:35:20,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:35:20,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:35:20,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:20" (1/1) ... [2024-12-06 03:35:20,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:20" (1/1) ... [2024-12-06 03:35:20,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:20" (1/1) ... [2024-12-06 03:35:20,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:20" (1/1) ... [2024-12-06 03:35:20,739 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:20" (1/1) ... [2024-12-06 03:35:20,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:20" (1/1) ... [2024-12-06 03:35:20,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:20" (1/1) ... [2024-12-06 03:35:20,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:20" (1/1) ... [2024-12-06 03:35:20,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:20" (1/1) ... [2024-12-06 03:35:20,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:35:20,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:35:20,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:35:20,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:35:20,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:20" (1/1) ... [2024-12-06 03:35:20,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:35:20,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:35:20,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:35:20,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:35:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:35:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:35:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:35:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:35:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:35:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:35:20,899 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:35:20,900 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:35:20,996 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-06 03:35:20,996 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:35:21,030 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:35:21,030 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:35:21,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:35:21 BoogieIcfgContainer [2024-12-06 03:35:21,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:35:21,031 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:35:21,031 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:35:21,040 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:35:21,041 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:35:21" (1/1) ... [2024-12-06 03:35:21,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:35:21,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:21,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 03:35:21,097 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 03:35:21,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:35:21,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:21,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:35:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:21,266 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 03:35:21,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:21,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 21 transitions. [2024-12-06 03:35:21,306 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-12-06 03:35:21,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:35:21,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:21,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:35:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:35:21,345 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:35:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:35:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:35:21,414 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:35:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:35:21,444 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 03:35:21,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:35:21 ImpRootNode [2024-12-06 03:35:21,464 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:35:21,465 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:35:21,465 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:35:21,465 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:35:21,465 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:35:21" (3/4) ... [2024-12-06 03:35:21,467 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:35:21,468 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:35:21,468 INFO L158 Benchmark]: Toolchain (without parser) took 1623.43ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 63.6MB in the end (delta: 51.8MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-12-06 03:35:21,469 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:35:21,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.44ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 107.1MB in the end (delta: 8.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-12-06 03:35:21,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.75ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 104.3MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:35:21,470 INFO L158 Benchmark]: Boogie Preprocessor took 18.96ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:35:21,470 INFO L158 Benchmark]: RCFGBuilder took 285.20ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 89.3MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:35:21,471 INFO L158 Benchmark]: CodeCheck took 433.24ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 64.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:35:21,471 INFO L158 Benchmark]: Witness Printer took 3.06ms. Allocated memory is still 142.6MB. Free memory was 64.2MB in the beginning and 63.6MB in the end (delta: 533.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:35:21,473 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] 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) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fgets_postdec_13_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1555] 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] COND TRUE GLOBAL_CONST_FIVE==5 [L1569] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.44ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 107.1MB in the end (delta: 8.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.75ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 104.3MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.96ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 285.20ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 89.3MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 433.24ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 64.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.06ms. Allocated memory is still 142.6MB. Free memory was 64.2MB in the beginning and 63.6MB in the end (delta: 533.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:35:21,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/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_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/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_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/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_66c0d054-fd08-48fc-9ccd-841ecc406669/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 cb1a9f52359f2ddeb91e8f6c10211aed7069a453a7399847a9aff033a2bb2ec6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:35:23,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:35:23,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 03:35:23,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:35:23,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:35:23,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:35:23,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:35:23,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:35:23,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:35:23,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:35:23,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:35:23,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:35:23,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:35:23,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:35:23,479 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:35:23,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:35:23,479 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:35:23,479 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:35:23,479 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:35:23,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:35:23,480 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:35:23,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:35:23,480 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:35:23,480 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:35:23,480 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:35:23,480 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:23,480 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:35:23,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:35:23,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:35:23,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:35:23,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:35:23,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:35:23,481 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:35:23,481 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:23,481 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:35:23,481 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_66c0d054-fd08-48fc-9ccd-841ecc406669/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 -> cb1a9f52359f2ddeb91e8f6c10211aed7069a453a7399847a9aff033a2bb2ec6 [2024-12-06 03:35:23,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:35:23,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:35:23,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:35:23,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:35:23,706 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:35:23,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_bad.i [2024-12-06 03:35:26,342 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/data/31f2113ec/5e8fc7e3384f4447991ecacc7f4f6b4b/FLAG27b59b45c [2024-12-06 03:35:26,658 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:35:26,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_bad.i [2024-12-06 03:35:26,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/data/31f2113ec/5e8fc7e3384f4447991ecacc7f4f6b4b/FLAG27b59b45c [2024-12-06 03:35:26,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/data/31f2113ec/5e8fc7e3384f4447991ecacc7f4f6b4b [2024-12-06 03:35:26,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:35:26,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:35:26,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:35:26,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:35:26,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:35:26,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:35:26" (1/1) ... [2024-12-06 03:35:26,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654663a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:26, skipping insertion in model container [2024-12-06 03:35:26,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:35:26" (1/1) ... [2024-12-06 03:35:26,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:35:27,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:35:27,605 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:35:27,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:35:27,780 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:35:27,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:27 WrapperNode [2024-12-06 03:35:27,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:35:27,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:35:27,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:35:27,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:35:27,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:27" (1/1) ... [2024-12-06 03:35:27,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:27" (1/1) ... [2024-12-06 03:35:27,822 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-12-06 03:35:27,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:35:27,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:35:27,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:35:27,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:35:27,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:27" (1/1) ... [2024-12-06 03:35:27,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:27" (1/1) ... [2024-12-06 03:35:27,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:27" (1/1) ... [2024-12-06 03:35:27,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:27" (1/1) ... [2024-12-06 03:35:27,839 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:27" (1/1) ... [2024-12-06 03:35:27,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:27" (1/1) ... [2024-12-06 03:35:27,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:27" (1/1) ... [2024-12-06 03:35:27,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:27" (1/1) ... [2024-12-06 03:35:27,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:27" (1/1) ... [2024-12-06 03:35:27,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:35:27,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:35:27,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:35:27,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:35:27,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:27" (1/1) ... [2024-12-06 03:35:27,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:35:27,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:35:27,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:35:27,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:35:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:35:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:35:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:35:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:35:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:35:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:35:28,017 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:35:28,019 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:35:28,120 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-06 03:35:28,120 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:35:28,155 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:35:28,155 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:35:28,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:35:28 BoogieIcfgContainer [2024-12-06 03:35:28,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:35:28,156 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:35:28,157 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:35:28,164 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:35:28,164 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:35:28" (1/1) ... [2024-12-06 03:35:28,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:35:28,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:28,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 03:35:28,206 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 03:35:28,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:35:28,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:28,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:28,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:35:28,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:35:28,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:35:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:28,312 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:35:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:28,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:35:28,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:35:28,389 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 03:35:28,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:35:28,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:28,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 26 transitions. [2024-12-06 03:35:28,445 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-06 03:35:28,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:35:28,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:28,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:28,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:35:28,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:35:28,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:35:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:35:28,583 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:35:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:35:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:35:28,676 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:35:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:35:28,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:35:28,704 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 03:35:28,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:35:28 ImpRootNode [2024-12-06 03:35:28,725 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:35:28,725 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:35:28,725 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:35:28,725 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:35:28,726 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:35:28" (3/4) ... [2024-12-06 03:35:28,727 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:35:28,728 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:35:28,729 INFO L158 Benchmark]: Toolchain (without parser) took 1822.81ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 43.2MB in the end (delta: 22.8MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-12-06 03:35:28,729 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:35:28,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 873.91ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 60.6MB in the end (delta: 5.3MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-12-06 03:35:28,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.19ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 58.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:35:28,730 INFO L158 Benchmark]: Boogie Preprocessor took 23.97ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:35:28,731 INFO L158 Benchmark]: RCFGBuilder took 308.02ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 40.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:35:28,731 INFO L158 Benchmark]: CodeCheck took 568.14ms. Allocated memory is still 92.3MB. Free memory was 40.2MB in the beginning and 43.8MB in the end (delta: -3.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-12-06 03:35:28,731 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 92.3MB. Free memory was 43.8MB in the beginning and 43.2MB in the end (delta: 524.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:35:28,734 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] 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) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fgets_postdec_13_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1555] 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] COND TRUE GLOBAL_CONST_FIVE==5 [L1569] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 873.91ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 60.6MB in the end (delta: 5.3MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.19ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 58.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.97ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 308.02ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 40.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 568.14ms. Allocated memory is still 92.3MB. Free memory was 40.2MB in the beginning and 43.8MB in the end (delta: -3.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 92.3MB. Free memory was 43.8MB in the beginning and 43.2MB in the end (delta: 524.6kB). 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 03:35:28,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c0d054-fd08-48fc-9ccd-841ecc406669/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