./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_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_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 71233b704a887dd9fc786070e887e4b97c786b9c03fd7cf637150724d8ffd9ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:13:46,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:13:46,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:13:46,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:13:46,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:13:46,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:13:46,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:13:46,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:13:46,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:13:46,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:13:46,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:13:46,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:13:46,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:13:46,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:13:46,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:13:46,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:13:46,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:13:46,435 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:13:46,435 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:13:46,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:13:46,435 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:13:46,435 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:13:46,435 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:13:46,435 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:13:46,435 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:13:46,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:13:46,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:46,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:13:46,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:13:46,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:13:46,436 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:13:46,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:13:46,436 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_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71233b704a887dd9fc786070e887e4b97c786b9c03fd7cf637150724d8ffd9ad [2024-12-06 01:13:46,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:13:46,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:13:46,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:13:46,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:13:46,698 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:13:46,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_bad.i [2024-12-06 01:13:49,436 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/data/8185144ce/1c73e58ec65e4164868f7f39a9562ba8/FLAG5d973237e [2024-12-06 01:13:49,700 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:13:49,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_bad.i [2024-12-06 01:13:49,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/data/8185144ce/1c73e58ec65e4164868f7f39a9562ba8/FLAG5d973237e [2024-12-06 01:13:49,736 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/data/8185144ce/1c73e58ec65e4164868f7f39a9562ba8 [2024-12-06 01:13:49,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:13:49,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:13:49,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:49,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:13:49,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:13:49,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:49" (1/1) ... [2024-12-06 01:13:49,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ff64e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:49, skipping insertion in model container [2024-12-06 01:13:49,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:49" (1/1) ... [2024-12-06 01:13:49,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:13:50,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:50,495 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:13:50,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:50,678 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:13:50,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:50 WrapperNode [2024-12-06 01:13:50,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:50,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:50,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:13:50,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:13:50,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:50" (1/1) ... [2024-12-06 01:13:50,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:50" (1/1) ... [2024-12-06 01:13:50,721 INFO L138 Inliner]: procedures = 498, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-12-06 01:13:50,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:50,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:13:50,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:13:50,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:13:50,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:50" (1/1) ... [2024-12-06 01:13:50,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:50" (1/1) ... [2024-12-06 01:13:50,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:50" (1/1) ... [2024-12-06 01:13:50,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:50" (1/1) ... [2024-12-06 01:13:50,737 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:50" (1/1) ... [2024-12-06 01:13:50,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:50" (1/1) ... [2024-12-06 01:13:50,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:50" (1/1) ... [2024-12-06 01:13:50,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:50" (1/1) ... [2024-12-06 01:13:50,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:50" (1/1) ... [2024-12-06 01:13:50,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:13:50,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:13:50,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:13:50,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:13:50,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:50" (1/1) ... [2024-12-06 01:13:50,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:50,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:13:50,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:13:50,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:13:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:13:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:13:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:13:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:13:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:13:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:13:50,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:13:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:13:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:13:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:13:50,921 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:13:50,922 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:13:51,026 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-06 01:13:51,026 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:13:51,057 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:13:51,057 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:13:51,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:51 BoogieIcfgContainer [2024-12-06 01:13:51,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:13:51,058 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:13:51,058 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:13:51,066 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:13:51,066 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:51" (1/1) ... [2024-12-06 01:13:51,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:13:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:51,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 01:13:51,110 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 01:13:51,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:13:51,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:51,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:51,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:13:51,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-06 01:13:51,666 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-06 01:13:51,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:13:51,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:51,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:51,704 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:13:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:51,797 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:13:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:51,832 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:13:51,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:13:51 ImpRootNode [2024-12-06 01:13:51,851 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:13:51,852 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:13:51,852 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:13:51,852 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:13:51,852 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:51" (3/4) ... [2024-12-06 01:13:51,854 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:13:51,855 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:13:51,856 INFO L158 Benchmark]: Toolchain (without parser) took 2115.35ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 58.8MB in the end (delta: 30.4MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-12-06 01:13:51,856 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 71.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:51,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 937.53ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.8MB in the end (delta: 8.3MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-12-06 01:13:51,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.12ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 77.9MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:13:51,857 INFO L158 Benchmark]: Boogie Preprocessor took 23.34ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:51,857 INFO L158 Benchmark]: RCFGBuilder took 311.64ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 62.3MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:13:51,857 INFO L158 Benchmark]: CodeCheck took 792.61ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 59.6MB in the end (delta: 2.7MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2024-12-06 01:13:51,858 INFO L158 Benchmark]: Witness Printer took 3.49ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 58.8MB in the end (delta: 761.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:51,860 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of fgets at line 1558. 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); [L1581] 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) [L1581] 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] [L1582] CALL CWE190_Integer_Overflow__int_fgets_preinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataPtr1={19622:0}, dataPtr2={19622:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] *dataPtr1 = data [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1572] ++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 117.4MB. Free memory was 71.7MB in the beginning and 71.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 937.53ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.8MB in the end (delta: 8.3MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.12ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 77.9MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.34ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 311.64ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 62.3MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 792.61ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 59.6MB in the end (delta: 2.7MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. * Witness Printer took 3.49ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 58.8MB in the end (delta: 761.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:13:51,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 71233b704a887dd9fc786070e887e4b97c786b9c03fd7cf637150724d8ffd9ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:13:53,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:13:53,918 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:13:53,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:13:53,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:13:53,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:13:53,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:13:53,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:13:53,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:13:53,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:13:53,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:13:53,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:13:53,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:13:53,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:13:53,944 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:13:53,944 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:13:53,944 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:13:53,945 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:13:53,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:13:53,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:13:53,945 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:13:53,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:13:53,946 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:13:53,946 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:13:53,946 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:13:53,946 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:53,946 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:13:53,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:13:53,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:53,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:13:53,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:13:53,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:13:53,947 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:13:53,947 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:53,947 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:13:53,947 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_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71233b704a887dd9fc786070e887e4b97c786b9c03fd7cf637150724d8ffd9ad [2024-12-06 01:13:54,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:13:54,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:13:54,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:13:54,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:13:54,198 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:13:54,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_bad.i [2024-12-06 01:13:56,933 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/data/ef64d8ebb/3f300355f23d4254bd17376ef6a54fb4/FLAGf04d91da6 [2024-12-06 01:13:57,221 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:13:57,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_bad.i [2024-12-06 01:13:57,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/data/ef64d8ebb/3f300355f23d4254bd17376ef6a54fb4/FLAGf04d91da6 [2024-12-06 01:13:57,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/data/ef64d8ebb/3f300355f23d4254bd17376ef6a54fb4 [2024-12-06 01:13:57,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:13:57,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:13:57,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:57,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:13:57,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:13:57,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:57" (1/1) ... [2024-12-06 01:13:57,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1149c4cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:57, skipping insertion in model container [2024-12-06 01:13:57,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:57" (1/1) ... [2024-12-06 01:13:57,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:13:57,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:58,007 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:13:58,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:58,211 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:13:58,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:58 WrapperNode [2024-12-06 01:13:58,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:58,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:58,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:13:58,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:13:58,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,257 INFO L138 Inliner]: procedures = 503, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-12-06 01:13:58,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:58,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:13:58,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:13:58,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:13:58,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,280 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:13:58,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:13:58,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:13:58,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:13:58,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:58,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:13:58,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:13:58,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:13:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:13:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:13:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:13:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:13:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:13:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:13:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:13:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 01:13:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:13:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 01:13:58,471 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:13:58,473 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:13:58,600 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-06 01:13:58,600 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:13:58,636 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:13:58,636 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:13:58,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:58 BoogieIcfgContainer [2024-12-06 01:13:58,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:13:58,637 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:13:58,637 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:13:58,647 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:13:58,647 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:13:58,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:58,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 01:13:58,692 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 01:13:58,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:13:58,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:58,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:58,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:58,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:58,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:13:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:58,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:58,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 01:13:58,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:58,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:13:58,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:13:58,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:58,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 01:13:58,948 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 01:13:58,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:13:58,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:58,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:58,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:58,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:58,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:13:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:59,128 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:13:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:59,329 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:13:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:59,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:13:59,396 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:13:59,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:13:59 ImpRootNode [2024-12-06 01:13:59,418 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:13:59,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:13:59,419 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:13:59,419 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:13:59,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:58" (3/4) ... [2024-12-06 01:13:59,421 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:13:59,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:13:59,423 INFO L158 Benchmark]: Toolchain (without parser) took 2158.33ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 32.4MB in the end (delta: 34.0MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2024-12-06 01:13:59,423 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:59,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 945.75ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 60.4MB in the end (delta: 5.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-06 01:13:59,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.50ms. Allocated memory is still 92.3MB. Free memory was 60.4MB in the beginning and 57.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:59,424 INFO L158 Benchmark]: Boogie Preprocessor took 32.02ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 55.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:59,425 INFO L158 Benchmark]: RCFGBuilder took 345.60ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 38.8MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:13:59,425 INFO L158 Benchmark]: CodeCheck took 780.97ms. Allocated memory is still 92.3MB. Free memory was 38.8MB in the beginning and 32.9MB in the end (delta: 5.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-12-06 01:13:59,426 INFO L158 Benchmark]: Witness Printer took 3.44ms. Allocated memory is still 92.3MB. Free memory was 32.9MB in the beginning and 32.4MB in the end (delta: 526.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:59,428 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: 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, 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, 79 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of fgets at line 1558. 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); [L1581] 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) [L1581] 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] [L1582] CALL CWE190_Integer_Overflow__int_fgets_preinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataPtr1={5:0}, dataPtr2={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] *dataPtr1 = data [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1572] ++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 0.39ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 945.75ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 60.4MB in the end (delta: 5.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.50ms. Allocated memory is still 92.3MB. Free memory was 60.4MB in the beginning and 57.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.02ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 55.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 345.60ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 38.8MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 780.97ms. Allocated memory is still 92.3MB. Free memory was 38.8MB in the beginning and 32.9MB in the end (delta: 5.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Witness Printer took 3.44ms. Allocated memory is still 92.3MB. Free memory was 32.9MB in the beginning and 32.4MB in the end (delta: 526.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:13:59,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c64fbd-2457-4680-b407-9b3a22dc776f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample