./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_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_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e62c5e7eb5d493a1c3ac9115513423e1d03eaa034e2953130d1baa63fef12fbf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:16:07,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:16:08,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:16:08,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:16:08,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:16:08,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:16:08,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:16:08,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:16:08,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:16:08,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:16:08,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:16:08,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:16:08,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:16:08,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:16:08,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:16:08,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:16:08,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:16:08,119 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:16:08,119 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:16:08,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:16:08,120 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:16:08,120 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:16:08,120 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:16:08,121 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:16:08,121 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:16:08,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:16:08,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:16:08,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:16:08,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:16:08,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:16:08,123 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:16:08,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:16:08,123 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_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e62c5e7eb5d493a1c3ac9115513423e1d03eaa034e2953130d1baa63fef12fbf [2024-11-24 18:16:08,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:16:08,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:16:08,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:16:08,448 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:16:08,448 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:16:08,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_04_bad.i [2024-11-24 18:16:11,487 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/data/96c59af3f/82ac0b1eb13c48f68a2423a10efbb607/FLAG7e4264250 [2024-11-24 18:16:12,038 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:16:12,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_04_bad.i [2024-11-24 18:16:12,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/data/96c59af3f/82ac0b1eb13c48f68a2423a10efbb607/FLAG7e4264250 [2024-11-24 18:16:12,096 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/data/96c59af3f/82ac0b1eb13c48f68a2423a10efbb607 [2024-11-24 18:16:12,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:16:12,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:16:12,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:16:12,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:16:12,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:16:12,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:16:12" (1/1) ... [2024-11-24 18:16:12,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb19b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:12, skipping insertion in model container [2024-11-24 18:16:12,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:16:12" (1/1) ... [2024-11-24 18:16:12,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:16:13,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:16:13,427 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:16:13,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:16:13,691 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:16:13,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:13 WrapperNode [2024-11-24 18:16:13,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:16:13,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:16:13,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:16:13,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:16:13,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:13" (1/1) ... [2024-11-24 18:16:13,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:13" (1/1) ... [2024-11-24 18:16:13,783 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-24 18:16:13,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:16:13,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:16:13,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:16:13,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:16:13,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:13" (1/1) ... [2024-11-24 18:16:13,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:13" (1/1) ... [2024-11-24 18:16:13,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:13" (1/1) ... [2024-11-24 18:16:13,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:13" (1/1) ... [2024-11-24 18:16:13,810 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:13" (1/1) ... [2024-11-24 18:16:13,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:13" (1/1) ... [2024-11-24 18:16:13,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:13" (1/1) ... [2024-11-24 18:16:13,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:13" (1/1) ... [2024-11-24 18:16:13,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:13" (1/1) ... [2024-11-24 18:16:13,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:16:13,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:16:13,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:16:13,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:16:13,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:13" (1/1) ... [2024-11-24 18:16:13,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:16:13,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:16:13,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:16:13,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:16:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:16:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:16:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:16:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:16:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:16:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:16:14,061 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:16:14,063 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:16:14,204 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-24 18:16:14,204 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:16:14,264 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:16:14,264 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:16:14,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:16:14 BoogieIcfgContainer [2024-11-24 18:16:14,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:16:14,269 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:16:14,269 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:16:14,279 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:16:14,280 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:16:14" (1/1) ... [2024-11-24 18:16:14,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:16:14,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-24 18:16:14,353 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-24 18:16:14,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:16:14,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:14,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:16:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:14,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:16:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:14,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 21 transitions. [2024-11-24 18:16:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-24 18:16:14,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:16:14,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:14,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:16:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:14,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:16:15,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:15,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 26 transitions. [2024-11-24 18:16:15,023 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-24 18:16:15,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 18:16:15,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:15,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:16:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:16:15,100 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:16:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:16:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:16:15,221 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:16:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:16:15,266 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-24 18:16:15,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:16:15 ImpRootNode [2024-11-24 18:16:15,308 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:16:15,309 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:16:15,309 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:16:15,309 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:16:15,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:16:14" (3/4) ... [2024-11-24 18:16:15,313 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:16:15,314 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:16:15,318 INFO L158 Benchmark]: Toolchain (without parser) took 3214.92ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.9MB in the beginning and 311.6MB in the end (delta: -220.7MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-24 18:16:15,319 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:16:15,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1589.34ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 83.1MB in the end (delta: 7.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-24 18:16:15,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.17ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 80.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:16:15,323 INFO L158 Benchmark]: Boogie Preprocessor took 44.53ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:16:15,323 INFO L158 Benchmark]: RCFGBuilder took 438.59ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 65.3MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:16:15,324 INFO L158 Benchmark]: CodeCheck took 1038.98ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 65.3MB in the beginning and 312.3MB in the end (delta: -247.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:16:15,325 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 352.3MB. Free memory was 312.3MB in the beginning and 311.6MB in the end (delta: 690.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:16:15,328 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: 1.0s, 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.1s 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, 0.3s 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; [L1580] 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) [L1580] 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] [L1581] CALL CWE190_Integer_Overflow__int_fgets_preinc_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 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 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1589.34ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 83.1MB in the end (delta: 7.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.17ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 80.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.53ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 438.59ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 65.3MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1038.98ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 65.3MB in the beginning and 312.3MB in the end (delta: -247.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 352.3MB. Free memory was 312.3MB in the beginning and 311.6MB in the end (delta: 690.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:16:15,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e62c5e7eb5d493a1c3ac9115513423e1d03eaa034e2953130d1baa63fef12fbf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:16:18,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:16:18,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:16:18,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:16:18,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:16:18,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:16:18,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:16:18,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:16:18,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:16:18,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:16:18,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:16:18,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:16:18,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:16:18,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:16:18,328 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:16:18,328 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:16:18,328 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:16:18,328 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:16:18,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:16:18,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:16:18,329 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:16:18,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:16:18,330 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:16:18,330 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:16:18,330 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:16:18,330 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:16:18,330 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:16:18,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:16:18,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:16:18,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:16:18,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:16:18,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:16:18,331 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:16:18,332 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:16:18,332 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:16:18,332 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_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e62c5e7eb5d493a1c3ac9115513423e1d03eaa034e2953130d1baa63fef12fbf [2024-11-24 18:16:18,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:16:18,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:16:18,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:16:18,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:16:18,709 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:16:18,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_04_bad.i [2024-11-24 18:16:21,767 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/data/fb6a6906b/a5d8943e40774046a73b20141e3119d5/FLAG2737e39e5 [2024-11-24 18:16:22,269 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:16:22,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_04_bad.i [2024-11-24 18:16:22,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/data/fb6a6906b/a5d8943e40774046a73b20141e3119d5/FLAG2737e39e5 [2024-11-24 18:16:22,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/data/fb6a6906b/a5d8943e40774046a73b20141e3119d5 [2024-11-24 18:16:22,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:16:22,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:16:22,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:16:22,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:16:22,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:16:22,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:16:22" (1/1) ... [2024-11-24 18:16:22,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5fbd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:22, skipping insertion in model container [2024-11-24 18:16:22,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:16:22" (1/1) ... [2024-11-24 18:16:22,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:16:23,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:16:23,610 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:16:23,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:16:23,897 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:16:23,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:23 WrapperNode [2024-11-24 18:16:23,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:16:23,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:16:23,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:16:23,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:16:23,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:23" (1/1) ... [2024-11-24 18:16:23,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:23" (1/1) ... [2024-11-24 18:16:23,956 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-24 18:16:23,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:16:23,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:16:23,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:16:23,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:16:23,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:23" (1/1) ... [2024-11-24 18:16:23,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:23" (1/1) ... [2024-11-24 18:16:23,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:23" (1/1) ... [2024-11-24 18:16:23,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:23" (1/1) ... [2024-11-24 18:16:23,992 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:23" (1/1) ... [2024-11-24 18:16:23,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:23" (1/1) ... [2024-11-24 18:16:23,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:23" (1/1) ... [2024-11-24 18:16:24,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:23" (1/1) ... [2024-11-24 18:16:24,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:23" (1/1) ... [2024-11-24 18:16:24,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:16:24,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:16:24,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:16:24,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:16:24,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:16:23" (1/1) ... [2024-11-24 18:16:24,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:16:24,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:16:24,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:16:24,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:16:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:16:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:16:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:16:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:16:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:16:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:16:24,350 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:16:24,352 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:16:24,557 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-24 18:16:24,557 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:16:24,626 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:16:24,626 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:16:24,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:16:24 BoogieIcfgContainer [2024-11-24 18:16:24,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:16:24,628 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:16:24,628 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:16:24,642 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:16:24,642 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:16:24" (1/1) ... [2024-11-24 18:16:24,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:16:24,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:24,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-24 18:16:24,727 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-24 18:16:24,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:16:24,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:24,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:16:24,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:16:24,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:16:24,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:16:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:24,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:16:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:24,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 18:16:24,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:16:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:16:24,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:16:25,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:25,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-24 18:16:25,002 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-24 18:16:25,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:16:25,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:25,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:16:25,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:16:25,006 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:16:25,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:16:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:25,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:16:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:25,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:16:25,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:16:25,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:16:25,205 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-24 18:16:25,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-24 18:16:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:25,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-24 18:16:25,238 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-24 18:16:25,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 18:16:25,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:25,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:16:25,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:16:25,246 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:16:25,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 18:16:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:16:25,458 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:16:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:16:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:16:25,638 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:16:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:16:25,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-24 18:16:25,720 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-24 18:16:25,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:16:25 ImpRootNode [2024-11-24 18:16:25,764 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:16:25,765 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:16:25,765 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:16:25,765 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:16:25,766 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:16:24" (3/4) ... [2024-11-24 18:16:25,768 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:16:25,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:16:25,772 INFO L158 Benchmark]: Toolchain (without parser) took 3444.96ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 49.1MB in the end (delta: 8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-24 18:16:25,773 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:16:25,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1572.23ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 52.3MB in the end (delta: 5.0MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2024-11-24 18:16:25,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.95ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:16:25,776 INFO L158 Benchmark]: Boogie Preprocessor took 54.05ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 47.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:16:25,777 INFO L158 Benchmark]: RCFGBuilder took 613.55ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 31.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:16:25,777 INFO L158 Benchmark]: CodeCheck took 1136.38ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 49.5MB in the end (delta: -17.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-24 18:16:25,777 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 49.1MB in the end (delta: 443.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:16:25,779 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: 1.1s, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s 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; [L1580] 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) [L1580] 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] [L1581] CALL CWE190_Integer_Overflow__int_fgets_preinc_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 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 0.45ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1572.23ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 52.3MB in the end (delta: 5.0MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.95ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.05ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 47.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 613.55ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 31.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1136.38ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 49.5MB in the end (delta: -17.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 49.1MB in the end (delta: 443.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:16:25,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfcf543-c4a3-4210-971c-d4f4fc98063e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample