./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_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_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/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_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/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_4e2cc55a-c056-4506-a917-1a064e7230d4/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 cdf86128b3be2af55c0e288da4497c68852881884c8103e28fbbb3069fbc1604 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:13:16,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:13:16,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 04:13:16,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:13:16,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:13:16,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:13:16,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:13:16,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:13:16,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:13:16,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:13:16,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:13:16,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:13:16,406 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:13:16,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:13:16,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:13:16,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:13:16,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:13:16,407 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:13:16,407 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:13:16,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:13:16,407 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:13:16,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:13:16,407 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:13:16,408 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:13:16,408 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:13:16,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:13:16,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:13:16,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:13:16,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:13:16,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:13:16,408 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:13:16,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:13:16,408 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_4e2cc55a-c056-4506-a917-1a064e7230d4/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 -> cdf86128b3be2af55c0e288da4497c68852881884c8103e28fbbb3069fbc1604 [2024-12-06 04:13:16,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:13:16,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:13:16,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:13:16,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:13:16,649 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:13:16,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_bad.i [2024-12-06 04:13:19,275 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/data/8e7b2056c/9c243683a8f54bed8962639d6b667d82/FLAG89c763a25 [2024-12-06 04:13:19,585 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:13:19,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_bad.i [2024-12-06 04:13:19,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/data/8e7b2056c/9c243683a8f54bed8962639d6b667d82/FLAG89c763a25 [2024-12-06 04:13:19,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/data/8e7b2056c/9c243683a8f54bed8962639d6b667d82 [2024-12-06 04:13:19,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:13:19,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:13:19,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:13:19,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:13:19,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:13:19,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:13:19" (1/1) ... [2024-12-06 04:13:19,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28589e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:19, skipping insertion in model container [2024-12-06 04:13:19,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:13:19" (1/1) ... [2024-12-06 04:13:19,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:13:20,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:13:20,513 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:13:20,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:13:20,688 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:13:20,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:20 WrapperNode [2024-12-06 04:13:20,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:13:20,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:13:20,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:13:20,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:13:20,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:20" (1/1) ... [2024-12-06 04:13:20,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:20" (1/1) ... [2024-12-06 04:13:20,735 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-12-06 04:13:20,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:13:20,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:13:20,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:13:20,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:13:20,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:20" (1/1) ... [2024-12-06 04:13:20,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:20" (1/1) ... [2024-12-06 04:13:20,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:20" (1/1) ... [2024-12-06 04:13:20,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:20" (1/1) ... [2024-12-06 04:13:20,747 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:20" (1/1) ... [2024-12-06 04:13:20,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:20" (1/1) ... [2024-12-06 04:13:20,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:20" (1/1) ... [2024-12-06 04:13:20,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:20" (1/1) ... [2024-12-06 04:13:20,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:20" (1/1) ... [2024-12-06 04:13:20,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:13:20,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:13:20,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:13:20,751 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:13:20,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:20" (1/1) ... [2024-12-06 04:13:20,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:13:20,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:13:20,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:13:20,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:13:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:13:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:13:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:13:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:13:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:13:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:13:20,904 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:13:20,906 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:13:21,006 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-06 04:13:21,006 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:13:21,034 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:13:21,034 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:13:21,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:21 BoogieIcfgContainer [2024-12-06 04:13:21,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:13:21,036 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:13:21,036 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:13:21,043 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:13:21,043 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:21" (1/1) ... [2024-12-06 04:13:21,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:13:21,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:21,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 04:13:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 04:13:21,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:13:21,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:21,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:21,270 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 04:13:21,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:21,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 21 transitions. [2024-12-06 04:13:21,306 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-12-06 04:13:21,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:13:21,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:21,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:21,415 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 04:13:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 26 transitions. [2024-12-06 04:13:21,443 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-12-06 04:13:21,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:13:21,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:21,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:21,469 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:13:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:21,533 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:13:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:21,561 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 04:13:21,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:13:21 ImpRootNode [2024-12-06 04:13:21,584 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:13:21,584 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:13:21,584 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:13:21,584 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:13:21,585 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:21" (3/4) ... [2024-12-06 04:13:21,586 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:13:21,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:13:21,588 INFO L158 Benchmark]: Toolchain (without parser) took 1738.36ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 60.7MB in the end (delta: 53.6MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2024-12-06 04:13:21,588 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:13:21,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.83ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 54.8MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 04:13:21,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.27ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 113.1MB in the end (delta: -58.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-12-06 04:13:21,589 INFO L158 Benchmark]: Boogie Preprocessor took 14.89ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 111.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:13:21,590 INFO L158 Benchmark]: RCFGBuilder took 283.62ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 97.8MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:13:21,590 INFO L158 Benchmark]: CodeCheck took 548.12ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 60.7MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 04:13:21,590 INFO L158 Benchmark]: Witness Printer took 3.10ms. Allocated memory is still 142.6MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:13:21,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 38 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1571]: 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); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL CWE190_Integer_Overflow__int_fgets_add_04_bad() [L1552] int data; [L1553] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=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) [L1568] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.83ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 54.8MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.27ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 113.1MB in the end (delta: -58.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.89ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 111.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 283.62ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 97.8MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 548.12ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 60.7MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.10ms. Allocated memory is still 142.6MB. Free memory is still 60.7MB. 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 04:13:21,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/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_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/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_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/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_4e2cc55a-c056-4506-a917-1a064e7230d4/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 cdf86128b3be2af55c0e288da4497c68852881884c8103e28fbbb3069fbc1604 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:13:23,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:13:23,597 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 04:13:23,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:13:23,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:13:23,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:13:23,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:13:23,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:13:23,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:13:23,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:13:23,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:13:23,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:13:23,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:13:23,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:13:23,626 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:13:23,626 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:13:23,626 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:13:23,626 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:13:23,626 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:13:23,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:13:23,627 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:13:23,627 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:13:23,627 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:13:23,627 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:13:23,627 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:13:23,627 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:13:23,627 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:13:23,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:13:23,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:13:23,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:13:23,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:13:23,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:13:23,628 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:13:23,628 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:13:23,628 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:13:23,628 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_4e2cc55a-c056-4506-a917-1a064e7230d4/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 -> cdf86128b3be2af55c0e288da4497c68852881884c8103e28fbbb3069fbc1604 [2024-12-06 04:13:23,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:13:23,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:13:23,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:13:23,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:13:23,885 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:13:23,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_bad.i [2024-12-06 04:13:26,542 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/data/903fbf03c/ce8e000b83b04c5895e12f134b320cb4/FLAG720672a87 [2024-12-06 04:13:26,814 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:13:26,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_bad.i [2024-12-06 04:13:26,835 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/data/903fbf03c/ce8e000b83b04c5895e12f134b320cb4/FLAG720672a87 [2024-12-06 04:13:27,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/data/903fbf03c/ce8e000b83b04c5895e12f134b320cb4 [2024-12-06 04:13:27,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:13:27,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:13:27,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:13:27,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:13:27,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:13:27,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:13:27" (1/1) ... [2024-12-06 04:13:27,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e4c2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:27, skipping insertion in model container [2024-12-06 04:13:27,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:13:27" (1/1) ... [2024-12-06 04:13:27,133 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:13:27,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:13:27,739 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:13:27,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:13:27,950 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:13:27,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:27 WrapperNode [2024-12-06 04:13:27,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:13:27,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:13:27,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:13:27,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:13:27,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:27" (1/1) ... [2024-12-06 04:13:27,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:27" (1/1) ... [2024-12-06 04:13:27,990 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-12-06 04:13:27,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:13:27,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:13:27,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:13:27,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:13:27,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:27" (1/1) ... [2024-12-06 04:13:27,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:27" (1/1) ... [2024-12-06 04:13:27,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:27" (1/1) ... [2024-12-06 04:13:27,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:27" (1/1) ... [2024-12-06 04:13:28,006 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:27" (1/1) ... [2024-12-06 04:13:28,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:27" (1/1) ... [2024-12-06 04:13:28,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:27" (1/1) ... [2024-12-06 04:13:28,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:27" (1/1) ... [2024-12-06 04:13:28,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:27" (1/1) ... [2024-12-06 04:13:28,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:13:28,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:13:28,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:13:28,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:13:28,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:27" (1/1) ... [2024-12-06 04:13:28,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:13:28,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:13:28,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:13:28,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:13:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:13:28,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:13:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:13:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:13:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:13:28,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:13:28,166 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:13:28,167 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:13:28,271 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-06 04:13:28,271 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:13:28,303 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:13:28,304 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:13:28,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:28 BoogieIcfgContainer [2024-12-06 04:13:28,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:13:28,305 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:13:28,305 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:13:28,312 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:13:28,312 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:28" (1/1) ... [2024-12-06 04:13:28,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:13:28,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:28,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 04:13:28,353 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 04:13:28,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:13:28,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:28,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:13:28,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:13:28,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:13:28,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:13:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:28,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:13:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:28,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:13:28,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:13:28,504 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 04:13:28,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:13:28,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:28,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-06 04:13:28,527 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-06 04:13:28,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:13:28,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:28,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:13:28,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:13:28,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:13:28,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:13:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:28,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:13:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:28,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 04:13:28,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:13:28,643 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 04:13:28,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:13:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:28,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 04:13:28,665 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 04:13:28,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:13:28,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:28,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:13:28,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:13:28,670 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:13:28,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:13:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:28,806 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:13:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:28,906 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:13:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:28,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:13:28,938 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 04:13:28,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:13:28 ImpRootNode [2024-12-06 04:13:28,962 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:13:28,963 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:13:28,963 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:13:28,963 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:13:28,963 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:28" (3/4) ... [2024-12-06 04:13:28,965 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:13:28,966 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:13:28,967 INFO L158 Benchmark]: Toolchain (without parser) took 1872.48ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 41.4MB in the end (delta: 24.8MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-12-06 04:13:28,967 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:13:28,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 856.20ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 62.1MB in the end (delta: 3.8MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 04:13:28,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.18ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:13:28,968 INFO L158 Benchmark]: Boogie Preprocessor took 23.77ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 58.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:13:28,968 INFO L158 Benchmark]: RCFGBuilder took 288.63ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 41.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:13:28,969 INFO L158 Benchmark]: CodeCheck took 657.18ms. Allocated memory is still 92.3MB. Free memory was 41.7MB in the beginning and 41.9MB in the end (delta: -198.5kB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-12-06 04:13:28,969 INFO L158 Benchmark]: Witness Printer took 3.48ms. Allocated memory is still 92.3MB. Free memory was 41.9MB in the beginning and 41.4MB in the end (delta: 523.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:13:28,971 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 27 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 71 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1571]: 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); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL CWE190_Integer_Overflow__int_fgets_add_04_bad() [L1552] int data; [L1553] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=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) [L1568] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 856.20ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 62.1MB in the end (delta: 3.8MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.18ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.77ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 58.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.63ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 41.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 657.18ms. Allocated memory is still 92.3MB. Free memory was 41.7MB in the beginning and 41.9MB in the end (delta: -198.5kB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Witness Printer took 3.48ms. Allocated memory is still 92.3MB. Free memory was 41.9MB in the beginning and 41.4MB in the end (delta: 523.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:13:28,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2cc55a-c056-4506-a917-1a064e7230d4/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