./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_64_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_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/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_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/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_762573b7-4b35-4421-83fb-7d55ac9946be/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 69fdb971886e5b8539bd7c91c2ed2613ec546f694a2601ecdfc5a8a5474e7fce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:41,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:41,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 01:57:41,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:57:41,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:57:41,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:41,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:41,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:41,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:41,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:41,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:41,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:41,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:57:41,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:41,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:41,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:41,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:41,533 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:57:41,533 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:57:41,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:41,533 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:41,533 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:41,534 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:41,534 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:41,535 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:41,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:41,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:41,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:41,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:41,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:41,536 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:57:41,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:57:41,536 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_762573b7-4b35-4421-83fb-7d55ac9946be/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 -> 69fdb971886e5b8539bd7c91c2ed2613ec546f694a2601ecdfc5a8a5474e7fce [2024-11-25 01:57:41,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:41,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:41,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:41,937 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:41,940 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:41,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_64_bad.i [2024-11-25 01:57:44,973 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/data/e40d4d780/8af4a508e86f4b5ab4b08a0193dcba23/FLAG2bde77190 [2024-11-25 01:57:45,395 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:45,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_64_bad.i [2024-11-25 01:57:45,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/data/e40d4d780/8af4a508e86f4b5ab4b08a0193dcba23/FLAG2bde77190 [2024-11-25 01:57:45,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/data/e40d4d780/8af4a508e86f4b5ab4b08a0193dcba23 [2024-11-25 01:57:45,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:45,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:45,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:45,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:45,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:45,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:45" (1/1) ... [2024-11-25 01:57:45,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d24ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:45, skipping insertion in model container [2024-11-25 01:57:45,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:45" (1/1) ... [2024-11-25 01:57:45,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:46,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:46,388 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:46,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:46,653 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:46,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46 WrapperNode [2024-11-25 01:57:46,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:46,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:46,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:46,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:46,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,712 INFO L138 Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-25 01:57:46,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:46,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:46,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:46,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:46,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,728 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:46,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:46,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:46,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:46,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:46,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:46,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:46,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:46,812 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 01:57:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 01:57:46,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 01:57:46,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 01:57:46,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:57:46,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:46,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:57:46,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 01:57:46,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 01:57:46,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:57:46,955 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:57:46,957 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:57:47,089 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-25 01:57:47,089 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:57:47,121 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:57:47,122 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 01:57:47,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:47 BoogieIcfgContainer [2024-11-25 01:57:47,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:57:47,123 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:57:47,123 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:57:47,132 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:57:47,132 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:57:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:47,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 01:57:47,188 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 01:57:47,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 01:57:47,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:47,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:47,865 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 01:57:47,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:47,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 01:57:47,965 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 01:57:47,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 01:57:47,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:47,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:48,028 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:57:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:48,174 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:57:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:48,226 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 01:57:48,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:57:48 ImpRootNode [2024-11-25 01:57:48,267 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:57:48,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:57:48,268 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:57:48,268 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:57:48,269 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:47" (3/4) ... [2024-11-25 01:57:48,272 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 01:57:48,273 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:57:48,276 INFO L158 Benchmark]: Toolchain (without parser) took 2743.25ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.3MB in the beginning and 286.5MB in the end (delta: -196.2MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2024-11-25 01:57:48,277 INFO L158 Benchmark]: CDTParser took 1.51ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:48,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1123.04ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 79.4MB in the end (delta: 10.6MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 01:57:48,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.29ms. Allocated memory is still 117.4MB. Free memory was 79.4MB 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 01:57:48,278 INFO L158 Benchmark]: Boogie Preprocessor took 20.15ms. 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 01:57:48,279 INFO L158 Benchmark]: RCFGBuilder took 386.11ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 60.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:57:48,279 INFO L158 Benchmark]: CodeCheck took 1144.06ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 60.8MB in the beginning and 286.5MB in the end (delta: -225.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-11-25 01:57:48,282 INFO L158 Benchmark]: Witness Printer took 5.72ms. Allocated memory is still 352.3MB. Free memory was 286.5MB in the beginning and 286.5MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:48,285 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={31251:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1579] 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 1.51ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1123.04ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 79.4MB in the end (delta: 10.6MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.29ms. Allocated memory is still 117.4MB. Free memory was 79.4MB 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 20.15ms. 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 386.11ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 60.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1144.06ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 60.8MB in the beginning and 286.5MB in the end (delta: -225.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Witness Printer took 5.72ms. Allocated memory is still 352.3MB. Free memory was 286.5MB in the beginning and 286.5MB in the end (delta: 11.7kB). 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 01:57:48,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/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_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/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_762573b7-4b35-4421-83fb-7d55ac9946be/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 69fdb971886e5b8539bd7c91c2ed2613ec546f694a2601ecdfc5a8a5474e7fce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:51,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:51,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 01:57:51,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:51,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:51,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:51,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:51,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:51,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:51,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:51,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:51,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:51,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:51,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:51,451 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 01:57:51,451 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 01:57:51,452 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:57:51,452 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 01:57:51,452 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:57:51,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:51,453 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:51,453 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:51,453 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:51,453 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:51,453 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:51,453 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:57:51,453 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 01:57:51,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:51,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:51,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:51,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:51,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:51,455 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 01:57:51,456 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:57:51,456 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 01:57:51,456 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_762573b7-4b35-4421-83fb-7d55ac9946be/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 -> 69fdb971886e5b8539bd7c91c2ed2613ec546f694a2601ecdfc5a8a5474e7fce [2024-11-25 01:57:51,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:51,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:51,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:51,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:51,859 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:51,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_64_bad.i [2024-11-25 01:57:55,002 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/data/147ca03f4/c8a20c7af1e9452f812fe15c716cc059/FLAG994344429 [2024-11-25 01:57:55,422 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:55,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_64_bad.i [2024-11-25 01:57:55,459 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/data/147ca03f4/c8a20c7af1e9452f812fe15c716cc059/FLAG994344429 [2024-11-25 01:57:55,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/data/147ca03f4/c8a20c7af1e9452f812fe15c716cc059 [2024-11-25 01:57:55,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:55,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:55,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:55,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:55,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:55,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:55" (1/1) ... [2024-11-25 01:57:55,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a2217b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:55, skipping insertion in model container [2024-11-25 01:57:55,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:55" (1/1) ... [2024-11-25 01:57:55,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:56,612 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 01:57:56,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:56,632 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:56,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:57,053 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:57,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57 WrapperNode [2024-11-25 01:57:57,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:57,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:57,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:57,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:57,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,137 INFO L138 Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2024-11-25 01:57:57,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:57,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:57,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:57,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:57,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,172 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:57,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:57,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:57,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:57,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:57,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:57,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:57,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 01:57:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 01:57:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 01:57:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 01:57:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:57:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:57:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 01:57:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 01:57:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 01:57:57,494 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:57:57,497 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:57:57,721 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 01:57:57,721 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:57:57,790 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:57:57,791 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 01:57:57,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:57 BoogieIcfgContainer [2024-11-25 01:57:57,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:57:57,792 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:57:57,793 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:57:57,805 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:57:57,806 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:57:57,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:57,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 01:57:57,876 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 01:57:57,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 01:57:57,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:57,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:57:57,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:57:57,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:57:57,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 01:57:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:58,142 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:57:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:58,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 01:57:58,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:57:58,280 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 01:57:58,283 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 01:57:58,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 01:57:58,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:58,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 01:57:58,319 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 01:57:58,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 01:57:58,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:58,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:57:58,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:57:58,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:57:58,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 01:57:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:58,607 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:57:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:58,858 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:57:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:58,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 01:57:58,929 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 01:57:58,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:57:58 ImpRootNode [2024-11-25 01:57:58,966 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:57:58,967 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:57:58,967 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:57:58,967 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:57:58,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:57" (3/4) ... [2024-11-25 01:57:58,971 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 01:57:58,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:57:58,975 INFO L158 Benchmark]: Toolchain (without parser) took 3487.34ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 39.0MB in the end (delta: 18.2MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-11-25 01:57:58,975 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:58,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1567.32ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 50.3MB in the end (delta: 6.6MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 01:57:58,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.60ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 47.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:58,976 INFO L158 Benchmark]: Boogie Preprocessor took 56.78ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 46.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:58,977 INFO L158 Benchmark]: RCFGBuilder took 593.96ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 52.7MB in the end (delta: -6.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-25 01:57:58,979 INFO L158 Benchmark]: CodeCheck took 1173.97ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 39.0MB in the end (delta: 13.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-25 01:57:58,980 INFO L158 Benchmark]: Witness Printer took 5.40ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 3.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:58,981 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 80 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1579] 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 0.36ms. Allocated memory is still 83.9MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1567.32ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 50.3MB in the end (delta: 6.6MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.60ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 47.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.78ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 46.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 593.96ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 52.7MB in the end (delta: -6.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * CodeCheck took 1173.97ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 39.0MB in the end (delta: 13.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 5.40ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 3.8kB). 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 01:57:59,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762573b7-4b35-4421-83fb-7d55ac9946be/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