./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_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_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6ac85eae73ca918e63bba704baccb0d63aac41738fbd0a6bf5ff67ce2cfcc2c9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:59:28,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:59:28,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 01:59:28,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:59:28,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:59:28,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:59:28,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:59:28,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:59:28,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:59:28,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:59:28,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:59:28,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:59:28,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:59:28,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:59:28,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:59:28,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:59:28,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:59:28,420 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:59:28,420 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:59:28,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:59:28,420 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:59:28,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:59:28,421 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:59:28,421 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:59:28,421 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:59:28,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:59:28,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:59:28,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:59:28,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:59:28,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:59:28,422 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:59:28,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:59:28,422 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_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ac85eae73ca918e63bba704baccb0d63aac41738fbd0a6bf5ff67ce2cfcc2c9 [2024-11-25 01:59:28,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:59:28,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:59:28,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:59:28,740 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:59:28,740 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:59:28,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_bad.i [2024-11-25 01:59:31,719 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/data/2674c7749/af502c52dffa4a43854efb6c6cb0f9f7/FLAG905809ba3 [2024-11-25 01:59:32,168 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:59:32,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_bad.i [2024-11-25 01:59:32,205 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/data/2674c7749/af502c52dffa4a43854efb6c6cb0f9f7/FLAG905809ba3 [2024-11-25 01:59:32,226 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/data/2674c7749/af502c52dffa4a43854efb6c6cb0f9f7 [2024-11-25 01:59:32,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:59:32,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:59:32,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:59:32,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:59:32,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:59:32,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:59:32" (1/1) ... [2024-11-25 01:59:32,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e439c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:32, skipping insertion in model container [2024-11-25 01:59:32,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:59:32" (1/1) ... [2024-11-25 01:59:32,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:59:33,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:59:33,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:59:33,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:59:33,602 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:59:33,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:33 WrapperNode [2024-11-25 01:59:33,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:59:33,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:59:33,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:59:33,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:59:33,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:33" (1/1) ... [2024-11-25 01:59:33,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:33" (1/1) ... [2024-11-25 01:59:33,681 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-25 01:59:33,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:59:33,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:59:33,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:59:33,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:59:33,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:33" (1/1) ... [2024-11-25 01:59:33,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:33" (1/1) ... [2024-11-25 01:59:33,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:33" (1/1) ... [2024-11-25 01:59:33,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:33" (1/1) ... [2024-11-25 01:59:33,709 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:33" (1/1) ... [2024-11-25 01:59:33,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:33" (1/1) ... [2024-11-25 01:59:33,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:33" (1/1) ... [2024-11-25 01:59:33,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:33" (1/1) ... [2024-11-25 01:59:33,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:33" (1/1) ... [2024-11-25 01:59:33,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:59:33,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:59:33,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:59:33,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:59:33,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:33" (1/1) ... [2024-11-25 01:59:33,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:59:33,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:59:33,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:59:33,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:59:33,805 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 01:59:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 01:59:33,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:59:33,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:59:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:59:33,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:59:33,969 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:59:33,970 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:59:34,073 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 01:59:34,074 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:59:34,109 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:59:34,109 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 01:59:34,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:59:34 BoogieIcfgContainer [2024-11-25 01:59:34,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:59:34,110 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:59:34,110 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:59:34,121 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:59:34,121 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:59:34" (1/1) ... [2024-11-25 01:59:34,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:59:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 01:59:34,195 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 01:59:34,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 01:59:34,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:34,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:34,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:34,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-25 01:59:34,402 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-25 01:59:34,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 01:59:34,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:34,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:34,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:34,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:34,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2024-11-25 01:59:34,692 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-25 01:59:34,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 01:59:34,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:34,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:59:34,730 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:59:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:59:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:59:34,853 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:59:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:59:34,901 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 01:59:34,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:59:34 ImpRootNode [2024-11-25 01:59:34,938 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:59:34,939 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:59:34,939 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:59:34,939 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:59:34,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:59:34" (3/4) ... [2024-11-25 01:59:34,942 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 01:59:34,943 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:59:34,944 INFO L158 Benchmark]: Toolchain (without parser) took 2712.92ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 82.0MB in the end (delta: 7.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-25 01:59:34,944 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:34,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1370.17ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 79.3MB in the end (delta: 10.0MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 01:59:34,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.88ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 77.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:34,945 INFO L158 Benchmark]: Boogie Preprocessor took 37.70ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:34,946 INFO L158 Benchmark]: RCFGBuilder took 388.05ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 62.0MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:59:34,946 INFO L158 Benchmark]: CodeCheck took 828.38ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 82.0MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:34,947 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 82.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:34,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 28 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 4 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, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 CWE190_Integer_Overflow__int_fgets_postinc_02_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] [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) [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 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1370.17ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 79.3MB in the end (delta: 10.0MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.88ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 77.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.70ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 388.05ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 62.0MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 828.38ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 82.0MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 82.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 01:59:34,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6ac85eae73ca918e63bba704baccb0d63aac41738fbd0a6bf5ff67ce2cfcc2c9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:59:37,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:59:37,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 01:59:37,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:59:37,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:59:37,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:59:37,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:59:37,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:59:37,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:59:37,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:59:37,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:59:37,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:59:37,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:59:37,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:59:37,872 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 01:59:37,872 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 01:59:37,872 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:59:37,872 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 01:59:37,872 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:59:37,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:59:37,873 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:59:37,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:59:37,873 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:59:37,873 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:59:37,873 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:59:37,873 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:59:37,874 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 01:59:37,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:59:37,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:59:37,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:59:37,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:59:37,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:59:37,875 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 01:59:37,875 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:59:37,875 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 01:59:37,875 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_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ac85eae73ca918e63bba704baccb0d63aac41738fbd0a6bf5ff67ce2cfcc2c9 [2024-11-25 01:59:38,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:59:38,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:59:38,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:59:38,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:59:38,224 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:59:38,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_bad.i [2024-11-25 01:59:41,431 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/data/301042224/d1f11c5dc4d044fba30c89fceb7bf4bf/FLAG745481045 [2024-11-25 01:59:41,838 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:59:41,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_bad.i [2024-11-25 01:59:41,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/data/301042224/d1f11c5dc4d044fba30c89fceb7bf4bf/FLAG745481045 [2024-11-25 01:59:41,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/data/301042224/d1f11c5dc4d044fba30c89fceb7bf4bf [2024-11-25 01:59:41,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:59:41,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:59:41,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:59:41,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:59:41,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:59:41,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:59:41" (1/1) ... [2024-11-25 01:59:41,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e3af50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:41, skipping insertion in model container [2024-11-25 01:59:41,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:59:41" (1/1) ... [2024-11-25 01:59:41,953 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:59:43,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:59:43,062 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:59:43,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:59:43,388 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:59:43,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:43 WrapperNode [2024-11-25 01:59:43,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:59:43,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:59:43,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:59:43,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:59:43,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:43" (1/1) ... [2024-11-25 01:59:43,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:43" (1/1) ... [2024-11-25 01:59:43,438 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-25 01:59:43,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:59:43,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:59:43,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:59:43,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:59:43,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:43" (1/1) ... [2024-11-25 01:59:43,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:43" (1/1) ... [2024-11-25 01:59:43,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:43" (1/1) ... [2024-11-25 01:59:43,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:43" (1/1) ... [2024-11-25 01:59:43,469 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:43" (1/1) ... [2024-11-25 01:59:43,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:43" (1/1) ... [2024-11-25 01:59:43,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:43" (1/1) ... [2024-11-25 01:59:43,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:43" (1/1) ... [2024-11-25 01:59:43,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:43" (1/1) ... [2024-11-25 01:59:43,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:59:43,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:59:43,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:59:43,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:59:43,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:43" (1/1) ... [2024-11-25 01:59:43,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:59:43,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:59:43,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:59:43,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:59:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 01:59:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 01:59:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 01:59:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:59:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:59:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:59:43,712 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:59:43,714 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:59:43,888 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 01:59:43,888 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:59:43,952 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:59:43,952 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 01:59:43,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:59:43 BoogieIcfgContainer [2024-11-25 01:59:43,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:59:43,954 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:59:43,954 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:59:43,966 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:59:43,966 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:59:43" (1/1) ... [2024-11-25 01:59:43,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:59:44,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:44,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 01:59:44,031 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 01:59:44,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 01:59:44,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:44,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:59:44,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:59:44,045 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:59:44,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 01:59:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:44,199 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:59:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:44,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 01:59:44,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:59:44,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:44,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 01:59:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:44,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-11-25 01:59:44,284 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-25 01:59:44,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 01:59:44,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:44,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:59:44,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:59:44,288 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:59:44,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 01:59:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:59:44,475 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:59:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:59:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:59:44,634 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:59:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:59:44,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 01:59:44,695 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 01:59:44,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:59:44 ImpRootNode [2024-11-25 01:59:44,728 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:59:44,728 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:59:44,728 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:59:44,729 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:59:44,731 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:59:43" (3/4) ... [2024-11-25 01:59:44,733 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 01:59:44,734 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:59:44,737 INFO L158 Benchmark]: Toolchain (without parser) took 2849.83ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 30.4MB in the end (delta: 26.4MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-25 01:59:44,738 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 64.4MB in the beginning and 64.4MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:44,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1501.93ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 50.9MB in the end (delta: 5.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 01:59:44,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.32ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 48.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:44,738 INFO L158 Benchmark]: Boogie Preprocessor took 48.41ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:44,742 INFO L158 Benchmark]: RCFGBuilder took 462.88ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 31.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:59:44,743 INFO L158 Benchmark]: CodeCheck took 774.11ms. Allocated memory is still 83.9MB. Free memory was 30.6MB in the beginning and 30.4MB in the end (delta: 188.0kB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-11-25 01:59:44,743 INFO L158 Benchmark]: Witness Printer took 6.31ms. Allocated memory is still 83.9MB. Free memory was 30.4MB in the beginning and 30.4MB in the end (delta: 5.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:44,745 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 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, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 1 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 CWE190_Integer_Overflow__int_fgets_postinc_02_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] [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) [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 0.30ms. Allocated memory is still 83.9MB. Free memory was 64.4MB in the beginning and 64.4MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1501.93ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 50.9MB in the end (delta: 5.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.32ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 48.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.41ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 462.88ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 31.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 774.11ms. Allocated memory is still 83.9MB. Free memory was 30.6MB in the beginning and 30.4MB in the end (delta: 188.0kB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 6.31ms. Allocated memory is still 83.9MB. Free memory was 30.4MB in the beginning and 30.4MB in the end (delta: 5.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 01:59:44,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346c338e-335f-4c8d-bf35-b35cec27be83/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample